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Document references UM0404

560/564 DocID13284 Rev 2

Appendix B Document references

1. 16-bit MCU with MAC unit 832 Kbyte Flash memory and 68 Kbyte RAM (ST10F276E,

DocID12303)

2. 16-bit MCU with MAC unit, 832 Kbyte Flash memory and 68 Kbyte RAM (ST10F276Z5,

DocID12448)

Table of Contents

Default Chapter2
- Table of Contents2
Architectural Overview22
- Basic CPU Concepts and Optimization22
- On-Chip System Resources27
- Clock Generator30
- On-Chip Peripheral Blocks32
- Real Time Clock38
- Protected Bits39
- Table 1. Protected Bit39
Memory Organization40
- Word, Byte and Bit Storage41
- Figure 4. ST10F276 Memory Mapping (User Mode: Flash Read Operation)41
- On-Chip Flash42
- Figure 5. Storage of Words, Bytes and Bits in a Byte Organized Memory42
- Table 2. Segment 8 Address Range Mapping43
- Table 3. 512 Kbyte Iflash Memory Block Organization43
- Table 4. 320 Kbyte Xflash Memory Block Organization43
- IRAM and SFR Area44
- The On-Chip XRAM49
  - XRAM Access Via External Masters50
- External Memory Space50
- Crossing Memory Boundaries51
The Central Processing Unit (CPU)52
- Instruction Pipelines54
- Bit-Handling and Bit-Protection59
- Instruction Execution Times60
- CPU Special Function Registers61
Multiply-Accumulate Unit (MAC)82
- MAC Features82
- MAC Operation83
- MAC Register Set91
  - Address Registers91
  - Accumulator & Control Registers91
- MAC Instruction Set Summary94
- Table 13. MAC Register Address in Coreg Addressing Mode94
- Table 14. MAC Instruction Set Summary94
Interrupt and Trap Functions96
- Interrupt System Structure96
- Operation of the PEC Channels104
- Table 17. PEC Control Register Addresses104
- Prioritizing Interrupt & PEC Service Requests106
- Saving the Status During Interrupt Service108
  - Context Switching109
  - Figure 21. Task Status Saved on the System Stack109
- Interrupt Response Times110
- External Interrupts113
  - Table 19. Pins to be Used as External Interrupt Inputs114
  - Fast External Interrupts115
- X-Peripheral Interrupt117
- Table 20. X-Interrupt Detailed Mapping118
- Figure 24. X-Interrupt Basic Structure118
- Trap Functions128
Parallel Ports134
- Introduction134
- Port0139
  - Alternate Functions of PORT0140
  - Figure 28. PORT0 I/O and Alternate Functions141
- Port1142
- Port2146
- Port3150
- Port4154
- Port5161
- Port6164
- Port7169
- Port8172
Dedicated Pins179
- Table 29. Summary of Dedicated Pins179
- Figure 56. RPD External RC Circuit180
The External Bus Interface181
- Single Chip Mode181
- Figure 57. Sfrs and Port Pins Associated with the External Bus Interface182
- External Bus Modes183
- Programmable Bus Characteristics190
- Controlling the External Bus Controller196
- EBC Idle State203
- Table 31. Status of the External Bus Interface During EBC Idle State203
- External Bus Arbitration204
- The XBUS Interface207
- Figure 71. External Bus Arbitration, (Regaining the Bus)207
- Table 32. Definition of XBUS Address Areas208
- Figure 72. Memory Mapping (User Mode: Flash Read Operations / XADRS = 800Bh)210
- Figure 73. Memory Mapping (User Mode: Flash Read Operations / XADRS = C00Ah)211
- EA Functionality213
- Figure 74. EA / VSTBY External Circuit214
The General Purpose Timer Units215
- Timer Block GPT1215
- Timer Block GPT2232
Asynchronous / Synchronous Serial Interface246
- Figure 99. Sfrs and Port Pins Associated with ASC0246
- Asynchronous Operation249
- Figure 100. Asynchronous Mode of Serial Channel ASC0249
- Figure 101. Asynchronous 8-Bit Data Frames250
- Synchronous Operation251
- Figure 102. Asynchronous 9-Bit Data Frames251
- Figure 103. Synchronous Mode of Serial Channel ASC0252
- Hardware Error Detection253
- ASC0 Baud Rate Generation253
- ASC0 Interrupt Control254
- Figure 104. ASC0 Interrupt Generation256
XBUS Asynchronous / Synchronous Serial Interface257
- Figure 105. XBUS Registers and Port Pins Associated with XASC258
- Asynchronous Operation261
- Figure 106. Asynchronous Mode of Serial Channel XASC262
- Figure 107. Asynchronous 8-Bit Data Frames262
- Synchronous Operation264
- Figure 108. Asynchronous 9-Bit Data Frames264
- Figure 109. Synchronous Mode of Serial Channel XASC265
- Hardware Error Detection266
- XASC Baud Rate Generation266
- XASC Interrupt Control267
- Figure 110. XASC Interrupt Generation269
High-Speed Synchronous Serial Interface270
- Figure 111. Sfrs and Port Pins Associated with the SSC271
- Figure 112. Synchronous Serial Channel SSC Block Diagram272
- Full-Duplex Operation275
- Figure 113. Serial Clock Phase and Polarity Options276
- Figure 114. SSC Full Duplex Configuration276
- Half Duplex Operation278
  - Port Control279
  - Figure 115. SSC Half Duplex Configuration279
- Baud Rate Generation280
- Error Detection Mechanisms281
- SSC Interrupt Control282
- Figure 116. SSC Error Interrupt Control282
XBUS High-Speed Synchronous Serial Interface284
- Figure 117. XBUS Registers and Port Pins Associated with the XSSC285
- Figure 118. Synchronous Serial Channel XSSC Block Diagram286
- Full-Duplex Operation290
- Figure 119. Serial Clock Phase and Polarity Options290
- Figure 120. XSSC Full Duplex Configuration291
- Half Duplex Operation293
  - Figure 121. XSSC Half Duplex Configuration293
  - Port Control294
- Baud Rate Generation294
- Error Detection Mechanisms295
- XSSC Interrupt Control296
Watchdog Timer297
- Figure 122. Sfrs and Port Pins Associated with the Watchdog Timer297
- Figure 123. Watchdog Timer Block Diagram297
- Operation of the Watchdog Timer298
- Table 42. WDTCON Bits Value on Different Resets299
- Table 43. WDTREL Reload Value300
- Table 44. Reset Events Summary300
The Bootstrap Loader302
- Selection Among User-Code, Standard or Alternate Bootstrap302
- Standard Bootstrap Loader303
- Standard Bootstrap with UART (RS232 or K-Line)309
- Standard Bootstrap with CAN313
- Comparing the Old and the New Bootstrap Loader319
- Alternate Boot Mode (ABM)320
- Selective Boot Mode323
- Figure 132. Reset Boot Sequence325
The Capture / Compare Units326
- Figure 133. Sfrs and Port Pins Associated with the CAPCOM Units327
- CAPCOM Timers329
- Figure 134. CAPCOM Unit Block Diagram329
- Figure 135. Block Diagram of CAPCOM Timers T0 and T7330
- Figure 136. Block Diagram of CAPCOM Timers T1 and T8330
- CAPCOM Unit Timer Interrupts333
- Capture / Compare Registers333
  - Selection of Capture Modes and Compare Modes335
- Capture Mode336
- Compare Modes336
- Capture / Compare Interrupts343
- Figure 143. Timing Example for Double Register Compare Mode343
- Table 51. CAPCOM Unit Interrupt Control Register Addresses344
Pulse Width Modulation Module345
- Figure 144. Sfrs and Port Pins Associated with the PWM Module346
- Operating Modes347
- PWM Module Registers351
- Figure 149. Operation and Output Waveform in Single Shot Mode351
- Table 52. PWM Frequencies352
- Table 53. PWM Module Channel Specific Register Addresses353
- Interrupt Request Generation354
- PWM Output Signals355
- Figure 150. PWM Output Signal Generation356
XBUS Pulse Width Modulation Module357
- Figure 151. XBUS Registers and Port Pins Associated with the XPWM Module358
- Operating Modes359
- XPWM Module Registers363
- Figure 156. Operation and Output Waveform in Single Shot Mode363
- Table 54. XPWM Frequencies364
- Table 55. XPWM Module Channel Specific Register Addresses365
- Interrupt Request Generation367
- XPWM Output Signals368
- Figure 157. XPWM Output Signal Generation369
Analog / Digital Converter370
- Figure 158. Sfrs, XBUS Registers and Port Pins Associated with the A/D Converter371
- Mode Selection and Operation372
- Conversion Timing Control381
- A/D Converter Interrupt Control382
- Table 56. ADC Sampling and Conversion Timing382
- Calibration383
- A/D Conversion Accuracy383
I 2 C Interface392
- Main Features392
- General Description393
- Functional Description395
- Interrupts400
- Table 57. Interrupt Event Summary401
- Figure 171. Event Flags and Interrupt Generation401
- Register Description403
CAN Modules410
- Memory and Pin Mapping410
- Interrupt413
- Configuration Support413
- Clock Prescaling416
- Figure 174. Connection to Two Different CAN Buses (E.g. for Gateway Application)416
- Figure 175. Connection to One CAN Bus with Internal Parallel Mode Enabled416
- CAN Module: Functional Overview417
- Block Diagram418
- Operating Modes418
- Programmer's Model422
- CAN Application444
Real Time Clock464
- Figure 187. Sfrs Associated with the RTC465
- Figure 188. XBUS Registers Associated with the RTC465
- RTC Registers466
- Programming the RTC470
System Reset472
- Input Filter472
- Asynchronous Reset472
- Table 63. Reset Event Definition472
- Figure 192. Asynchronous Power-On RESET (EA = 1)474
- Figure 193. Asynchronous Power-On RESET (EA = 0)475
- Figure 194. Asynchronous Hardware RESET (EA = 1)476
- Synchronous Reset (Warm Reset)477
- Figure 195. Asynchronous Hardware RESET (EA = 0)477
- Figure 196. Synchronous Short / Long Hardware RESET (EA = 1)480
- Figure 197. Synchronous Short / Long Hardware RESET (EA = 0)481
- Figure 198. Synchronous Long Hardware RESET (EA = 1)482
- Software Reset483
- Figure 199. Synchronous Long Hardware RESET (EA = 0)483
- Watchdog Timer Reset484
- Figure 200. SW / WDT Unidirectional RESET (EA = 1)485
- Bidirectional Reset486
- Figure 201. SW / WDT Unidirectional RESET (EA = 0)486
- Figure 202. SW / WDT Bidirectional RESET(EA = 1)488
- Figure 203. SW / WDT Bidirectional RESET (EA = 0)489
- Reset Circuitry490
- Figure 204. SW / WDT Bidirectional RESET (EA = 0) Followed by a HW RESET490
- Figure 205. Minimum External Reset Circuitry491
- Reset Application Examples492
- Figure 206. System Reset Circuit492
- Figure 207. Example of Software or Watchdog Bidirectional Reset (EA = 1)493
- Figure 208. Example of Software or Watchdog Bidirectional Reset (EA = 0)494
- Reset Summary495
  - Table 64. Reset Events Summary495
  - System Start-Up Configuration496
  - Figure 209. PORT0 Bits Latched into the Different Registers after Reset497
  - Table 65. PORT0 Latched Configuration for the Different Reset Events497
Power Reduction Modes502
- Idle Mode503
- Table 66. Power Reduction Modes Summary503
- Power down Mode504
Programmable Output Clock Divider514
Register Set515
- Register Description Format515
- General Purpose Registers (Gprs)516
- Table 68. General Purpose Registers (Gprs)516
- Table 69. General Purpose Registers (Gprs) Bit Wise Addressing516
- Special Function Registers Ordered by Name517
- Table 70. Special Function Registers Ordered by Name517
- Special Function Registers Ordered by Address524
- Table 71. Special Function Registers Ordered by Address524
- X-Registers Ordered by Name531
- Table 72. X-Registers Ordered by Name531
- X-Registers Ordered by Address536
- Table 73. X-Registers Ordered by Address536
- Flash Registers Ordered by Name541
- Flash Registers Ordered by Address541
- Table 74. Flash Registers Ordered by Name541
- Table 75. Flash Registers Ordered by Address541
- Special Notes542
- Identification Registers543
System Programming545
- Stack Operations547
- Table 76. Stack Size Selection548
- Figure 214. Physical Stack Address Generation549
- Register Banking551
- Procedure Call Entry and Exit551
- Figure 215. Local Registers553
- Peripheral Control and Interface554
- Floating Point Support554
- Trap / Interrupt Entry and Exit554
- Inseparable Instruction Sequences555
- Overriding the DPP Addressing Mechanism555
- Handling the Internal Flash556
- Pits, Traps and Mines558
- Table 77. Document Revision History561

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