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RM0008 Debug support (DBG)

1100

31.6 ID codes and locking mechanism

There are several ID codes inside the STM32F10xxx MCUs. ST strongly recommends tools

designers to lock their debuggers using the MCU DEVICE ID code located in the external

PPB memory map at address 0xE0042000.

31.6.1 MCU device ID code

The STM32F10xxx MCUs integrate an MCU ID code. This ID identifies the ST MCU part-

number and the die revision. It is part of the DBG_MCU component and is mapped on the

external PPB bus (see Section 31.16 on page 1090). This code is accessible using the

JTAG debug port (4 to 5 pins) or the SW debug port (two pins) or by the user software. It is

even accessible while the MCU is under system reset.

DBGMCU_IDCODE

Address: 0xE004 2000

Only 32-bits access supported. Read-only.

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

REV_ID

rrrrrr r r r r rrrrrr

1514131211109876543210

Reserved

DEV_ID

rrrrrrrrrrrr

Default Chapter2
- Table of Contents2
Overview of the Manual40
- Table 1. Sections Related to each Stm32F10Xxx Product40
- Table 2. Sections Related to each Peripheral43
Documentation Conventions47
- List of Abbreviations for Registers47
- Glossary47
- Peripheral Availability47
Memory and Bus Architecture48
- System Architecture48
- Figure 1. System Architecture (Low-, Medium-, XL-Density Devices)48
- Figure 2. System Architecture in Connectivity Line Devices49
- Memory Organization50
- Memory Map51
- Boot Configuration61
- Table 9. Boot Modes61
CRC Calculation Unit64
- CRC Introduction64
- CRC Main Features64
- Figure 3. CRC Calculation Unit Block Diagram64
- CRC Functional Description65
- CRC Registers65
Power Control (PWR)67
- Power Supplies67
- Power Supply Supervisor70
- Low-Power Modes72
- Power Control Registers77
Backup Registers (BKP)81
- BKP Introduction81
- BKP Main Features81
- BKP Functional Description82
  - Tamper Detection82
  - RTC Calibration82
- BKP Registers83
Low-, Medium-, High- and XL-Density Reset and Clock Control (RCC)90
- Reset90
- Clocks92
Connectivity Line Devices: Reset and Clock Control (RCC)123
- Reset123
- Clocks125
- RCC Registers132
General-Purpose and Alternate-Function I/Os (Gpios and Afios)159
- GPIO Functional Description159
- GPIO Registers171
- Alternate Function I/O and Debug Configuration (AFIO)175
- AFIO Registers183
- GPIO and AFIO Register Maps194
- Table 59. GPIO Register Map and Reset Values194
- Table 60. AFIO Register Map and Reset Values194
Interrupts and Events196
- Nested Vectored Interrupt Controller (NVIC)196
- External Interrupt/Event Controller (EXTI)205
- EXTI Registers210
Analog-To-Digital Converter (ADC)214
- ADC Introduction214
- ADC Main Features215
- ADC Functional Description215
  - Figure 22. Single ADC Block Diagram216
  - Table 65. ADC Pins217
  - ADC Clock218
  - ADC On-Off Control218
  - Channel Selection218
  - Single Conversion Mode218
  - Continuous Conversion Mode219
  - Figure 23. Timing Diagram219
  - Timing Diagram219
  - Analog Watchdog220
  - Figure 24. Analog Watchdog Guarded Area220
  - Scan Mode220
  - Table 66. Analog Watchdog Channel Selection220
  - Figure 25. Injected Conversion Latency221
  - Injected Channel Management221
  - Discontinuous Mode222
- Calibration222
- Data Alignment223
- Figure 26. Calibration Timing Diagram223
- Figure 27. Right Alignment of Data223
- Figure 28. Left Alignment of Data223
- Channel-By-Channel Programmable Sample Time224
- Conversion on External Trigger224
- Table 67. External Trigger for Regular Channels for ADC1 and ADC2224
- Table 68. External Trigger for Injected Channels for ADC1 and ADC2225
- Table 69. External Trigger for Regular Channels for ADC3225
- Table 70. External Trigger for Injected Channels for ADC3225
- DMA Request226
- Dual ADC Mode227
  - Figure 29. Dual ADC Block Diagram228
  - Figure 30. Injected Simultaneous Mode on 4 Channels229
  - Injected Simultaneous Mode229
  - Regular Simultaneous Mode229
  - Fast Interleaved Mode230
  - Figure 31. Regular Simultaneous Mode on 16 Channels230
  - Figure 32. Fast Interleaved Mode on 1 Channel in Continuous Conversion Mode230
  - Slow Interleaved Mode230
  - Alternate Trigger Mode231
  - Figure 33. Slow Interleaved Mode on 1 Channel231
  - Figure 34. Alternate Trigger: Injected Channel Group of each ADC231
  - Combined Regular Simultaneous + Alternate Trigger Mode232
  - Combined Regular/Injected Simultaneous Mode232
  - Figure 35. Alternate Trigger: 4 Injected Channels (each ADC) in Discontinuous Model232
  - Independent Mode232
  - Combined Injected Simultaneous + Interleaved233
  - Figure 36. Alternate + Regular Simultaneous233
  - Figure 37. Case of Trigger Occurring During Injected Conversion233
  - Figure 38. Interleaved Single Channel with Injected Sequence CH11, CH12233
- Temperature Sensor234
- Figure 39. Temperature Sensor and VREFINT Channel Block Diagram234
- ADC Interrupts235
- Table 71. ADC Interrupts235
- ADC Registers236
  - ADC Status Register (ADC_SR)236
  - ADC Control Register 1 (ADC_CR1)237
  - ADC Control Register 2 (ADC_CR2)239
  - ADC Sample Time Register 1 (ADC_SMPR1)243
  - ADC Sample Time Register 2 (ADC_SMPR2)244
  - ADC Injected Channel Data Offset Register X (Adc_Jofrx)(X=1244
  - ADC Watchdog High Threshold Register (ADC_HTR)245
  - ADC Watchdog Low Threshold Register (ADC_LTR)245
  - ADC Regular Sequence Register 1 (ADC_SQR1)246
  - ADC Regular Sequence Register 2 (ADC_SQR2)247
  - ADC Regular Sequence Register 3 (ADC_SQR3)248
  - ADC Injected Sequence Register (ADC_JSQR)249
  - ADC Injected Data Register X (Adc_Jdrx) (X= 1250
  - ADC Regular Data Register (ADC_DR)250
  - 11.12.15 ADC Register Map251
  - Table 72. ADC Register Map and Reset Values251
Digital-To-Analog Converter (DAC)253
- DAC Introduction253
- DAC Main Features253
- Table 73. DAC Pins254
- Figure 40. DAC Channel Block Diagram254
- DAC Functional Description255
- Dual DAC Channel Conversion260
- DAC Registers264
Direct Memory Access Controller (DMA)273
- DMA Introduction273
- DMA Main Features273
- Figure 48. DMA Block Diagram in Connectivity Line Devices274
- DMA Functional Description275
- DMA Registers284
Advanced-Control Timers (TIM1&TIM8)292
- TIM1&TIM8 Introduction292
- TIM1&TIM8 Main Features293
- Figure 52. Advanced-Control Timer Block Diagram294
- TIM1&TIM8 Functional Description295
- TIM1&TIM8 Registers333
- Break Feature350
General-Purpose Timers (TIM2 to TIM5)360
- TIM2 to TIM5 Introduction360
- Timx Main Features361
- Timx Functional Description362
- Timx2 to TIM5 Registers397
General-Purpose Timers (TIM9 to TIM14)418
- TIM9 to TIM14 Introduction418
- TIM9 to TIM14 Main Features419
  - TIM9/TIM12 Main Features419
  - Figure 146. General-Purpose Timer Block Diagram (TIM9 and TIM12)419
  - TIM10/TIM11 and TIM13/TIM14 Main Features420
  - Figure 147. General-Purpose Timer Block Diagram (TIM10/11/13/14)420
- TIM9 to TIM14 Functional Description421
  - Time-Base Unit421
  - Counter Modes422
  - Figure 148. Counter Timing Diagram with Prescaler Division Change from 1 to 2422
  - Figure 149. Counter Timing Diagram with Prescaler Division Change from 1 to 4422
  - Figure 150. Counter Timing Diagram, Internal Clock Divided by 1423
  - Figure 151. Counter Timing Diagram, Internal Clock Divided by 2423
  - Figure 152. Counter Timing Diagram, Internal Clock Divided by 4424
  - Figure 153. Counter Timing Diagram, Internal Clock Divided by N424
  - Clock Selection425
  - Figure 156. Control Circuit in Normal Mode, Internal Clock Divided by 1426
  - Figure 157. TI2 External Clock Connection Example426
  - Capture/Compare Channels427
  - Figure 158. Control Circuit in External Clock Mode 1427
  - Figure 159. Capture/Compare Channel (Example: Channel 1 Input Stage)427
- Input Capture Mode428
- Figure 160. Capture/Compare Channel 1 Main Circuit428
- Figure 161. Output Stage of Capture/Compare Channel (Channel 1)428
- PWM Input Mode (Only for TIM9/12)429
- Forced Output Mode430
- Figure 162. PWM Input Mode Timing430
- Output Compare Mode431
- PWM Mode432
- Figure 163. Output Compare Mode, Toggle on OC1432
- One-Pulse Mode433
- Figure 164. Edge-Aligned PWM Waveforms (ARR=8)433
- Figure 165. Example of One Pulse Mode433
- TIM9/12 External Trigger Synchronization434
- Figure 166. Control Circuit in Reset Mode435
- Figure 167. Control Circuit in Gated Mode436
- Figure 168. Control Circuit in Trigger Mode436
- Timer Synchronization (TIM9/12)437
- Debug Mode437
- TIM9 and TIM12 Registers437
  - TIM9/12 Control Register 1 (Timx_Cr1)437
  - 9/12TIM9/12 Slave Mode Control Register (Timx_Smcr)439
  - Table 89. Timx Internal Trigger Connection439
  - TIM9/12 Interrupt Enable Register (Timx_Dier)440
  - TIM9/12 Status Register (Timx_Sr)441
  - TIM9/12 Event Generation Register (Timx_Egr)442
  - TIM9/12 Capture/Compare Mode Register 1 (Timx_Ccmr1)444
  - TIM9/12 Capture/Compare Enable Register (Timx_Ccer)447
  - TIM9/12 Counter (Timx_Cnt)448
  - TIM9/12 Prescaler (Timx_Psc)448
  - TIM9/12 Auto-Reload Register (Timx_Arr)448
  - Table 90. Output Control Bit for Standard Ocx Channels448
  - TIM9/12 Capture/Compare Register 1 (Timx_Ccr1)449
  - TIM9/12 Capture/Compare Register 2 (Timx_Ccr2)449
  - TIM9/12 Register Map449
  - Table 91. TIM9/12 Register Map and Reset Values450
- TIM10/11/13/14 Registers452
  - TIM10/11/13/14 Control Register 1 (Timx_Cr1)452
  - TIM10/11/13/14 Status Register (Timx_Sr)453
  - TIM10/11/13/14 Event Generation Register (Timx_Egr)453
  - TIM10/11/13/14 Capture/Compare Mode Register 1454
    - (Timx_Ccmr1)454
  - TIM10/11/13/14 Capture/Compare Enable Register457
    - (Timx_Ccer)457
    - Table 92. Output Control Bit for Standard Ocx Channels457
  - TIM10/11/13/14 Counter (Timx_Cnt)458
  - TIM10/11/13/14 Prescaler (Timx_Psc)458
  - TIM10/11/13/14 Auto-Reload Register (Timx_Arr)458
  - TIM10/11/13/14 Capture/Compare Register 1 (Timx_Ccr1)459
  - TIM10/11/13/14 Register Map459
  - Table 93. TIM10/11/13/14 Register Map and Reset Values459
Basic Timers (TIM6&TIM7)461
- TIM6&TIM7 Introduction461
- TIM6&TIM7 Main Features461
- TIM6&TIM7 Functional Description462
- TIM6&TIM7 Registers467
Real-Time Clock (RTC)473
- RTC Introduction473
- RTC Main Features474
- RTC Functional Description475
- RTC Registers478
Independent Watchdog (IWDG)485
- IWDG Introduction485
- IWDG Main Features485
- IWDG Functional Description485
- IWDG Registers487
Window Watchdog (WWDG)491
- WWDG Introduction491
- WWDG Main Features491
- WWDG Functional Description491
- Figure 183. Watchdog Block Diagram492
- How to Program the Watchdog Timeout493
- Figure 184. Window Watchdog Timing Diagram493
- Debug Mode494
- Table 98. Min-Max Timeout Value @36 Mhz (F PCLK1 )494
- WWDG Registers495
Flexible Static Memory Controller (FSMC)498
- FSMC Main Features498
- Block Diagram499
- AHB Interface500
  - Figure 185. FSMC Block Diagram500
  - Supported Memories and Transactions501
- External Device Address Mapping502
- NOR Flash/Psram Controller504
Secure Digital Input/Output Interface (SDIO)556
- SDIO Main Features556
- SDIO Bus Topology557
- Figure 206. SDIO "No Response" and "No Data" Operations557
- Figure 207. SDIO (Multiple) Block Read Operation557
- Figure 208. SDIO (Multiple) Block Write Operation558
- Figure 209. SDIO Sequential Read Operation558
- Figure 210. SDIO Sequential Write Operation558
- SDIO Functional Description559
  - Figure 211. SDIO Block Diagram559
  - Figure 212. SDIO Adapter560
  - SDIO Adapter560
  - Table 137. SDIO I/O Definitions560
  - Figure 213. Control Unit561
  - Figure 214. SDIO Adapter Command Path562
  - Figure 215. Command Path State Machine (CPSM)563
  - Figure 216. SDIO Command Transfer564
  - Table 138. Command Format564
  - Table 139. Short Response Format565
  - Table 140. Long Response Format565
  - Table 141. Command Path Status Flags565
  - Figure 217. Data Path566
  - Figure 218. Data Path State Machine (DPSM)567
  - Table 142. Data Token Format568
  - Table 143. Transmit FIFO Status Flags569
  - SDIO AHB Interface570
  - Table 144. Receive FIFO Status Flags570
- Card Functional Description571
  - Card Identification Mode571
  - Card Reset571
  - Operating Voltage Range Validation572
  - Card Identification Process572
  - Block Write573
  - Block Read574
  - Stream Access, Stream Write and Stream Read (Multimediacard Only)574
  - Erase: Group Erase and Sector Erase576
  - Wide Bus Selection or Deselection577
  - Protection Management577
  - Card Status Register580
  - Table 145. Card Status581
  - SD Status Register583
  - Table 146. SD Status583
  - Table 147. Speed Class Code Field585
  - Table 148. Performance Move Field585
  - Table 149. AU_SIZE Field586
  - Table 150. Maximum AU Size586
  - Table 151. Erase Size Field586
  - Table 152. Erase Timeout Field586
- SD I/O Mode587
- Table 153. Erase Offset Field587
- Commands and Responses588
- Table 154. Block-Oriented Write Commands589
- Table 155. Block-Oriented Write Protection Commands590
- Table 156. Erase Commands590
- Table 157. I/O Mode Commands590
- Response Formats591
  - Table 158. Lock Card591
  - Table 159. Application-Specific Commands591
  - R1 (Normal Response Command)592
  - R1B592
  - R2 (CID, CSD Register)592
  - R3 (OCR Register)592
  - Table 160. R1 Response592
  - Table 161. R2 Response592
  - R4 (Fast I/O)593
  - R4B593
  - Table 162. R3 Response593
  - Table 163. R4 Response593
  - Table 164. R4B Response593
  - R5 (Interrupt Request)594
  - Table 165. R5 Response594
  - Table 166. R6 Response594
- SDIO I/O Card-Specific Operations595
  - SDIO I/O Read Wait Operation by SDIO_D2 Signalling595
  - SDIO Read Wait Operation by Stopping SDIO_CK595
  - SDIO Suspend/Resume Operation596
  - SDIO Interrupts596
- CE-ATA Specific Operations596
  - Command Completion Signal Disable596
  - Command Completion Signal Enable596
  - CE-ATA Interrupt597
  - Aborting CMD61597
- HW Flow Control597
- SDIO Registers597
  - SDIO Power Control Register (SDIO_POWER)598
  - SDI Clock Control Register (SDIO_CLKCR)598
  - SDIO Argument Register (SDIO_ARG)599
  - SDIO Command Register (SDIO_CMD)600
  - SDIO Command Response Register (SDIO_RESPCMD)601
  - SDIO Response 1601
  - Table 167. Response Type and Sdio_Respx Registers601
  - SDIO Data Timer Register (SDIO_DTIMER)602
  - SDIO Data Length Register (SDIO_DLEN)602
  - SDIO Data Control Register (SDIO_DCTRL)603
  - SDIO Data Counter Register (SDIO_DCOUNT)604
  - SDIO Status Register (SDIO_STA)605
  - SDIO Interrupt Clear Register (SDIO_ICR)606
  - SDIO Mask Register (SDIO_MASK)608
  - SDIO FIFO Counter Register (SDIO_FIFOCNT)610
  - SDIO Data FIFO Register (SDIO_FIFO)611
  - SDIO Register Map611
  - Table 168. SDIO Register Map611
Universal Serial Bus Full-Speed Device Interface (USB)613
- USB Introduction613
- USB Main Features613
- USB Functional Description613
  - Figure 219. USB Peripheral Block Diagram614
  - Description of USB Blocks615
- Programming Considerations616
- USB Registers628
Controller Area Network (Bxcan)645
- Bxcan Introduction645
- Bxcan Main Features645
- Bxcan General Description646
- Bxcan Operating Modes648
- Test Mode650
Serial Peripheral Interface (SPI)690
- SPI Introduction690
- SPI and I 2 S Main Features691
  - SPI Features691
  - I 2 S Features692
- SPI Functional Description693
- Case of Continuous Transfers703
- Figure 243. TXE/BSY in Slave Transmit-Only Mode (BIDIMODE=0 and RXONLY=0) in the Case of704
- Figure 244. RXNE Behavior in Receive-Only Mode (BIDIRMODE=0 and RXONLY=1) in the Case of705
- Continuous Transfers705
- I 2 S Functional Description714
- SPI and I 2 S Registers733
Inter-Integrated Circuit (I 2 C) Interface743
- I 2 C Introduction743
- I 2 C Main Features744
- C Functional Description745
- I 2 C Interrupts763
- Table 189. I2C Interrupt Requests763
- Figure 277. I2C Interrupt Mapping Diagram764
- I 2 C Debug Mode765
- I 2 C Registers765
Universal Synchronous Asynchronous Receiver Transmitter (USART)778
- USART Introduction778
- USART Main Features779
- USART Functional Description780
- USART Interrupts809
- Table 198. USART Interrupt Requests809
- Figure 300. CTS Flow Control809
- USART Mode Configuration810
- USART Registers810
USB On-The-Go Full-Speed (OTG_FS)821
- OTG_FS Introduction821
- OTG_FS Main Features822
- OTG_FS Functional Description824
- OTG Dual Role Device (DRD)825
- USB Peripheral827
- USB Host831
- SOF Trigger836
- Power Options837
- Dynamic Update of the OTG_FS_HFIR Register838
- USB Data Fifos838
- Figure 307. Updating OTG_FS_HFIR Dynamically838
- Peripheral FIFO Architecture839
- Host FIFO Architecture840
- FIFO RAM Allocation841
  - Device Mode841
  - Host Mode842
- USB System Performance842
- OTG_FS Interrupts843
- OTG_FS Control and Status Registers844
- OTG_FS Programming Model912
Ethernet (ETH): Media Access Control (MAC) with DMA Controller958
- Ethernet Introduction958
- Ethernet Main Features958
  - MAC Core Features959
  - DMA Features960
  - PTP Features960
- Ethernet Pins961
- Table 208. Ethernet Pin Configuration961
- Ethernet Functional Description: SMI, MII and RMII962
  - Station Management Interface: SMI962
  - Figure 326. ETH Block Diagram962
  - Table 209. Management Frame Format963
  - Figure 327. SMI Interface Signals963
  - Figure 328. MDIO Timing and Frame Structure - Write Cycle964
  - Table 210. Clock Range965
  - Figure 329. MDIO Timing and Frame Structure - Read Cycle965
- Media-Independent Interface: MII966
- Figure 330. Media Independent Interface Signals966
- Table 211. TX Interface Signal Encoding967
- Table 212. RX Interface Signal Encoding967
- Reduced Media-Independent Interface: RMII968
- Figure 331. MII Clock Sources968
- Figure 332. Reduced Media-Independent Interface Signals968
- MII/RMII Selection969
- Figure 333. RMII Clock Sources969
- Figure 334. Clock Scheme969
- Ethernet Functional Description: MAC 802.3970
  - MAC 802.3 Frame Format970
  - Figure 335. Address Field Format971
  - Figure 336. MAC Frame Format973
  - Figure 337. Tagged MAC Frame Format973
  - MAC Frame Transmission974
  - Figure 338. Transmission Bit Order980
  - Figure 339. Transmission with no Collision980
  - MAC Frame Reception981
  - Figure 340. Transmission with Collision981
  - Figure 341. Frame Transmission in MMI and RMII Modes981
  - Table 213. Frame Statuses983
  - Figure 342. Receive Bit Order985
  - Figure 343. Reception with no Error986
  - Figure 344. Reception with Errors986
  - Figure 345. Reception with False Carrier Indication986
  - MAC Interrupts987
  - MAC Filtering987
  - Figure 346. MAC Core Interrupt Masking Scheme987
  - Table 214. Destination Address Filtering989
  - MAC Loopback Mode990
  - MAC Management Counters: MMC990
  - Table 215. Source Address Filtering990
  - Power Management: PMT991
  - Figure 347. Wakeup Frame Filter Register992
  - Precision Time Protocol (IEEE1588 PTP)994
  - Figure 348. Networked Time Synchronization995
  - Figure 349. System Time Update Using the Fine Correction Method997
  - Figure 350. PTP Trigger Output to TIM2 ITR1 Connection999
- Ethernet Functional Description: DMA Controller Operation1000
  - Figure 351. PPS Output1000
  - Figure 352. Descriptor Ring and Chain Structure1001
  - Host Bus Burst Access1001
  - Initialization of a Transfer Using DMA1001
  - Buffer Size Calculations1002
  - Host Data Buffer Alignment1002
  - DMA Arbiter1003
  - Error Response to DMA1003
  - Tx DMA Configuration1003
  - Figure 353. Txdma Operation in Default Mode1005
  - Figure 354. Txdma Operation in OSF Mode1007
  - Figure 355. Ransmit Descriptor1008
  - Rx DMA Configuration1012
  - Figure 356. Receive DMA Operation1014
  - Figure 357. Rx DMA Descriptor Structure1016
  - Table 216. Receive Descriptor 01018
  - DMA Interrupts1020
- Ethernet Interrupts1021
- Figure 358. Interrupt Scheme1021
- Ethernet Register Descriptions1022
  - MAC Register Description1022
  - Figure 359. Ethernet MAC Remote Wakeup Frame Filter Register (ETH_MACRWUFFR)1031
  - MMC Register Description1039
  - IEEE 1588 Time Stamp Registers1044
  - DMA Register Description1048
  - Ethernet Register Maps1061
  - Table 217. Ethernet Register Map and Reset Values1062
Device Electronic Signature1065
- Memory Size Registers1065
  - Flash Size Register1065
- Unique Device ID Register (96 Bits)1066
Debug Support (DBG)1068
- Overview1068
- Reference ARM® Documentation1070
- SWJ Debug Port (Serial Wire and JTAG)1070
  - Figure 361. SWJ Debug Port1070
  - Mechanism to Select the JTAG-DP or the SW-DP1071
- Pinout and Debug Port Pins1071
- Stm32F10Xxx JTAG TAP Connection1074
- Figure 362. JTAG TAP Connections1075
- ID Codes and Locking Mechanism1076
- JTAG Debug Port1078
- Table 220. JTAG Debug Port Data Registers1078
- SW Debug Port1080
- AHB-AP (AHB Access Port) - Valid for both JTAG-DP and SW-DP1084
- Table 226. Cortex1084
- Core Debug1085
- Table 227. Core Debug Registers1085
- Capability of the Debugger Host to Connect under System Reset1086
- FPB (Flash Patch Breakpoint)1086
- DWT (Data Watchpoint Trigger)1087
- ITM (Instrumentation Trace Macrocell)1087
- ETM (Embedded Trace Macrocell)1089
Revision History1101
- Table 235. Document Revision History1101
- Figure 360. Block Diagram of STM32 MCU and Cortex ® -M3-Level1110

Brand	ST
Model	STM32F105 series
Category	Microcontrollers
Language	English

ST STM32F105 series User Manual

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