Abov MC97F6108A - Figure 6. Analog Input IO Port

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MC97F6108A User’s manual 3. Port structures

21

DATA

REGISTER

DIRECTION

REGISTER

PORTx INPUT

PAD

VDDVDD

Schmitt Level

Input

Level Shift (1.8V to ExtVDD)

Level Shift (ExtVDD to 1.8V)

MUX

1

0

Analog Channel enable

ANALOG INPUT

Digital Input blocking enable

OPEN-DRAIN

REGISTER

PULL-UP

REGISTER

VDD

Figure 6. Analog Input I/O Port

Table of Contents

Default Chapter1
- Introduction1
- Reference Document1
- Table of Contents2
1 Description12
- Device Overview12
- Table 1. MC97F6108A Device Features and Peripheral Counts12
- MC97F6108A Block Diagram14
- Figure 1. MC97F6108A Block Diagram14
2 Pinouts and Pin Description15
- Pinouts15
- Figure 2. MC97F6108A 20 SOP Pin Assignment15
- Figure 3. MC97F6108A 16 SOPN Pin Assignment16
- Pin Description17
- Table 2. Normal Pin Description17
3 Port Structures19
- Figure 4. General Purpose I/O Port19
- Figure 5. Secondary Function I/O Port20
- Figure 6. Analog Input I/O Port21
4 Memory Organization22
- Program Memory23
- Figure 7. Program Memory Map23
- Data Memory24
- Figure 8. Data Memory Map24
- Figure 9. Lower 128Bytes of RAM25
- External Data Memory26
- Figure 10. XDATA Memory Area26
- SFR Mapd27
5 O Ports36
- Port Register36
- P0 Port38
  - P0 Port Description38
  - Register Description for P038
- P1 Port42
  - P1 Port Description42
  - Register Description for P142
- P2 Port44
  - P2 Port Description44
  - Register Description for P244
6 Interrupt Controller46
- Figure 11. Interrupt Group Priority Level47
7 Clock Generator75
- Clock Generator Block Diagram75
- Figure 23. Clock Generator Block Diagram75
- Register Map76
- Register Description76
- Table 10. Clock Generator Register Map76
8 Basic Interval Timer (BIT)77
- BIT Block Diagram77
- BIT Register Map77
- Figure 24. Basic Interval Timer Block Diagram77
- Table 11. Basic Interval Timer Register Map77
- BIT Register Description78
9 Watchdog Timer (WDT)79
- WDT Interrupt Timing Waveform79
- Figure 25. Watchdog Timer Interrupt Timing Waveform79
- WDT Block Diagram80
- Register Map80
- Figure 26. Watchdog Timer Block Diagram80
- Table 12. Watchdog Timer Register Map80
- Register Description81
10 Timer0/1/2/382
- Capture and Event Counter Source for Timer0/1/2/3 and PPG82
- Table 13. Capture and Event Counter Source82
- 16-Bit Timer/Counter Mode83
- Figure 27. 16-Bit Timer/Counter Mode of Timer0/1/2/383
- 16-Bit Capture Mode84
- Figure 28. 16-Bit Capture Mode of Timer0/1/2/384
- 16-Bit PWM Mode85
- Table 14. PWM Frequency Vs. Resolution at 16Mhz85
- Figure 29. 16-Bit PWM Mode of Timer0/1/2/386
- Figure 30. 16-Bit PWM Example at 16Mhz86
- Figure 31. 16-Bit PWM Example at 16Mhz (Period=Duty)87
- Register Map88
- Table 15. Register Map88
- Register Description90
11 PPG (Programmable Pulse Generator)94
- PPG Block Diagram95
- Figure 32. PPG Block Diagram95
- PPG Start and One Shot Pulse96
- Figure 33. PPG Start and One Shot Pulse97
- PPG Period/Duty Write98
- Figure 34. PPG Period/Duty Write98
- Figure 35. PPG Period/Duty Load to Compare Registers98
- Capture Mode99
- Figure 36. Capture Mode99
- Disable PPG Output by Comparator 1100
- Figure 37. Disable PPG Output by Comparator 1100
- Figure 38. Disable PPG Output by Comparator 1 (C1_FLAG)100
- Disable PPG Output by Comparator 3101
- Figure 39. Disable PPG Output Block Diagram by Comparator 3101
- Figure 40. Disable PPG Output by Comparator 3 (C3_FLAG)101
- PPG Period Limitation102
- Figure 41. PPG Period Limitation102
- Auto Period Mode by Comparator 2103
  - Figure 42. Auto Period Mode Block Diagram103
  - Figure 43. Period Decrement Block Diagram in Auto Period Mode104
  - Figure 44. Period Decrement in Auto Period Mode104
  - PPG Period Decrease104
  - Figure 45. Auto Period Mode Block Diagram (ATPSEL = 2'B00)105
  - Figure 46. Auto Period Mode (ATPSEL = 2'B00)105
  - PPG Period When ATPSEL = 2'B00105
  - Figure 47. Auto Period Mode Block Diagram (ATPSEL = 2'B01)106
  - Figure 48. Auto Period Mode (ATPSEL = 2'B01)106
  - PPG Period When ATPSEL = 2'B01106
  - Figure 49. Auto Period Mode Block Diagram (ATPSEL = 2'B1X)107
  - PPG Period When ATPSEL = 2'B1X107
  - Figure 50. Auto Period Mode (ATPSEL = 2'B1X)108
  - Figure 51. PPG Period Block Diagram When Writing109
  - PPG Period When Writing109
  - Figure 52. PPG Period When Writing (ATPSEL = 2'B1X)110
  - Figure 53. Max and Min Period Limitation111
  - PPG Period Min/Max Limitation111
  - Figure 54. PPG Period Block Diagram When Period Min/Max Matching112
  - Figure 55. When Max Period Matching112
  - Figure 56. When Min Period Matching113
  - Figure 57. PPG Off-Time Max/Min Limitation Block Diagram114
  - PPG Off-Time Max/Min Limitation114
  - Figure 58. PPG Off-Time Max/Min Limitation115
- Register Map116
- Table 16. Register Map116
- 11.10 Register Description117
12 Analog Comparator and OP-AMP125
- Comparator and OP-AMP Description126
- Block Diagram128
- Figure 59. Analog Comparator and OP-AMP Block Diagram128
- Register Description129
13 Buzzer Driver136
- Table 17. Buzzer Frequency at 1Mhz137
12 Bit AD Converter (ADC)140
- Conversion Timing140
- Block Diagram140
- Figure 61. 12-Bit ADC Block Diagram141
- Figure 62. A/D Analog Input Pin with a Capacitor141
- Figure 63. A/D Power (AVREF) Pin with a Capacitor141
- ADC Operation142
- Figure 64. Control Registers and Align Bits142
- Register Map143
- Figure 65. ADC Operation Flow Sequence143
- Table 19. ADC Register Map143
- Register Description144
15 Usart147
- Block Diagram148
- Figure 66. USART Block Diagram148
- Clock Generation149
- Figure 67. Clock Generation Block Diagram149
- Table 20. Equations for Calculating Baud Rate Register Setting149
- External Clock (XCK)150
- Synchronous Mode Operation150
- Figure 68. Synchronous Mode XCK Timing150
- Data Format151
- Figure 69. a Frame Format151
- Parity Bit152
- USART Transmitter152
- USART Receiver153
- SPI Mode157
- 15.10 Register Map160
- Table 22. USART Register Map160
- 15.11 Register Description161
- Baud Rate Settings (Example)166
- Table 23. Examples of UBAUD Settings for Commonly Used Oscillator Frequencies166
16 Inter Integrated Circuit (I2C)168
- Block Diagram168
- Figure 75. I2C Block Diagram168
- I2C Bit Transfer169
- Start/ Repeated Start/ Stop169
- Figure 76. Bit Transfer on the I2C-Bus169
- Figure 77. START and STOP Condition169
- Data Transfer170
- Figure 78. Data Transfer on the I2C-Bus170
- Acknowledge171
- Figure 79. Acknowledge on the I2C-Bus171
- Synchronization/ Arbitration172
- Figure 80. Clock Synchronization During Arbitration Procedure172
- Figure 81. Arbitration Procedure of Two Masters172
- Block Operation173
- Register Map179
- Table 24. Register Map179
- I2C Register Description180
17 Power down Operation184
- Peripheral Operation in IDLE/ STOP Mode184
- Table 25. Peripheral Operation Status During Power down Mode184
- IDLE Mode185
- Figure 82. IDLE Mode Release Timing by an External Interrupt185
- Figure 83. IDLE Mode Release Timing by an RESETB185
- STOP Mode186
- Figure 84. STOP Mode Release Timing by External Interrupt186
- Figure 85. STOP Mode Release Timing by RESETB187
- Released Operation of STOP Mode188
- Figure 86. STOP1, 2 Mode Release Flow188
- Register Map189
- Register Description189
- Table 26. Power down Operation Register Map189
18 Reset190
- Reset Block Diagram190
- Figure 87. Reset Block Diagram190
- Table 27. Hardware Setting Values in Reset State190
- RESET Noise Canceller191
- Power on Reset191
- Figure 88. Reset Noise Canceller Time Diagram191
- Figure 89. Fast VDD Rising Time191
- Figure 90. Internal RESET Release Timing on Power-Up192
- Figure 91. Configuration Timing When Power-On192
- Figure 92. Boot Process Waveform193
- Table 28. Boot Process Description193
- External RESETB Input194
- Figure 93. Timing Diagram after RESET194
- Figure 94. Oscillator Generating Waveform Example194
- Brown out Detector Processor195
- Figure 95. BOD Block Diagram195
- Figure 96. Internal Reset at Power Fail Situation195
- Register Map196
- Figure 97. Configuration Timing When LVR RESET196
- Table 29. Reset Operation Register Map196
- Register Description for Reset Operation197
19 Memory Programming199
- Flash Control and Status Registers199
- Memory Map206
- Serial In-System Program Mode207
- Parallel Mode214
- Mode Entrance Method of ISP Mode217
- Security218
- Table 37. Security Policy Using Lock Bits218
- Configure Option219
20 Electrical Characteristics220
- Absolute Maximum Ratings220
- Recommended Operating Conditions220
- Table 38. Absolute Maximum Ratings220
- Table 39. Recommended Operating Conditions220
- Internal RC Oscillator Characteristics221
- Internal WDT Oscillator Characteristics221
- Voltage Dropout Converter Characteristics221
- Table 40. Internal RC Oscillator Characteristics221
- Table 41. Internal WDT Oscillator Characteristics221
- Table 42. Voltage Dropout Converter Characteristics221
- A/D Converter Characteristics222
- Low Voltage Reset Characteristics222
- Table 43. A/D Converter Characteristics222
- Table 44. Low Voltage Reset Characteristics222
- Brown out Detector Characteristics223
- Power on Reset Characteristics223
- Table 45. Brown out Detector Characteristics223
- Table 46. Power-On Reset Characteristics223
- DC Characteristics224
- Table 47. DC Characteristics224
- 20.11 AC Characteristics225
- Figure 108. AC Timing225
- Table 48. AC Characteristics225
- 20.12 Analog Comparator Characteristics226
- 20.13 Operational Amplifier Characteristics226
- Table 49. Analog Comparator DC Characteristics226
- Table 50. Operational Amplifier Characteristics226
- 20.14 USART Characteristics227
- Figure 109. Waveform for USART Timing Characteristics227
- Figure 110. Timing Waveform for the USART Module227
- Table 51. USART Characteristics227
- 20.15 SPI Characteristics228
- Figure 111. SPI Timing228
- Table 52. SPI Characteristics228
- 20.16 I2C Characteristics229
- Figure 112. I2C Timing229
- Table 53. I2C Characteristics229
- 20.17 Data Retention Voltage in STOP Mode230
- Figure 113. STOP Mode Release Timing When Initiated by an Interrupt230
- Figure 114. STOP Mode Release Timing When Initiated by RESETB230
- Table 54. Data Retention Voltage in STOP Mode230
- 20.18 Internal Flash ROM Characteristics231
- 20.19 Input/Output Capacitance231
- Table 55. Internal Flash ROM Characteristics231
- Table 56. Input/Output Capacitance231
- 20.20 Operating Voltage Range232
- 20.21 Recommended Circuit and Layout232
- Figure 115. Operating Voltage Range232
- Figure 116. Recommended Voltage Range232
- 20.22 Typical Characteristics233
- Figure 117. Output High Voltage (VOH)233
- Figure 118. Output Low Voltage (VOL)234
21 Package Information235
- 20 SOP Package Information235
- Figure 119. 20 SOP Package Outline235
- 16 SOPN Package Information236
- Figure 120. 16 SOPN Package Outline236
22 Ordering Information237
- Figure 121. MC97F6108A Device Numbering Nomenclature237
- Table 57. MC97F6108A Device Ordering Information237
23 Development Tools238
- Compiler238
- OCD II (On-Chip Debugger II) Emulator and Debugger238
- Programmers239
- Flash Programming241
- On-Chip Debug System243
Appendix249
- Instruction Table249
- Table 60. Instruction Table: Arithmetic249
- Table 61. Instruction Table: Logical250
- Table 62. Instruction Table: Data Transfer251
- Table 63. Instruction Table: Boolean252
- Table 64. Instruction Table: Branching253
- Table 65. Instruction Table: Miscellaneous254
- Table 66. Instruction Table: Additional Instructions254
- Revision History255

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