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R8C/20 Group, R8C/21 Group 14. Timers

Rev.2.00 Aug 27, 2008 Page 246 of 458

REJ09B0250-0200

Figure 14.107 Registers TRDGRAi, TRDGRBi, TRDGRCi and TRDGRDi in PWM3 Mode

The following registers are disabled in PWM3 mode:

TRDPMR, TRDDF0, TRDDF1, TRDIORA0, TRDIORC0, TRDPOCR0, TRDIORA1, TRDIORC1 and

TRDPOCR1

Timer RD General Register Ai, Bi, Ci and Di (i = 0 or 1)

(1)

Symbol Address After Reset

TRDGRA0

TRDGRB0

TRDGRC0

TRDGRD0

TRDGRA1

TRDGRB1

TRDGRC1

TRDGRD1

0149h-0148h

014Bh-014Ah

014Dh-014Ch

014Fh-014Eh

0159h-0158h

015Bh-015Ah

015Dh-015Ch

015Fh-015Eh

FFFFh

NOTE:

Function

Ref er to

Table 14.34 TRDGRji Register Functions in PWM3 Mode

Access the TRDGRAi to TRDGRDi registers in 16-bit units. Do not access them in 8-bit units.

b0b7

(b8)

(b15)

Default Chapter8
- Table of Contents8
- Overview17
1 Overview18
- Performance Overview18
- Block Diagram20
- Product Information21
- Pin Assignments23
- Pin Functions24
2 Central Processing Unit (CPU)26
- Data Registers (R0, R1, R2 and R3)27
  - Interrupt Enable Flag (I)28
3 Memory29
- R8C/21 Group30
4 Special Function Registers (Sfrs)31
5 Resets37
- Hardware Reset40
- Power-On Reset Function42
- Voltage Monitor 1 Reset43
6 Voltage Detection Circuit44
- VCC Input Voltage50
- Voltage Monitor 1 Reset51
- Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset52
7 Programmable I/O Ports54
- Effect on Peripheral Functions55
- Port Settings66
- Unassigned Pin Handling77
8 Processor Mode78
10 Clock Generation Circuit80
- XIN Clock87
- On-Chip Oscillator Clocks88
- CPU Clock and Peripheral Function Clock89
- Power Control90
- Notes on Clock Generation Circuit101
11 Protection102
- Interrupts103
- Software Interrupts104
- Special Interrupts105
- Interrupts and Interrupt Vector106
- Interrupt Control108
- INT Interrupt117
  - Inti Input Filter (I = 0 to 3)119
- Key Input Interrupt120
- Address Match Interrupt122
13 Watchdog Timer129
- Count Source Protection Mode Disabled132
- Count Source Protection Mode Enabled133
14 Timers134
- Timer RA136
- Timer RB153
- Timer RD175
- Count Source180
- Timer RD Interrupt265
  - Notes on Timer RD267
- Timer RE273
  - Output Compare Mode274
  - Notes on Timer RE280
15 Serial Interface281
- Clock Synchronous Serial I/O Mode287
  - Polarity Select Function290
  - Continuous Receive Mode291
- Clock Asynchronous Serial I/O (UART) Mode292
  - Bit Rate296
- Notes on Serial Interface297
- Clock Synchronous Serial Interface298
16 Clock Synchronous Serial Interface299
- Clock Synchronous Serial I/O with Chip Select (SSU)299
  - Transfer Clock308
  - SS Shift Register (SSTRSR)310
- Interrupt Requests311
17 Hardware LIN361
- Input/Output Pins362
- Register Configuration363
- Functional Description365
- Notes on Hardware LIN375
18 A/D Converter376
- One-Shot Mode380
- Repeat Mode383
- Sample and Hold386
- A/D Conversion Cycles387
- Internal Equivalent Circuit of Analog Input388
- Output Impedance of Sensor under A/D Conversion389
- Notes on A/D Converter390
19 Flash Memory391
- Memory Map393
- Functions to Prevent Rewriting of Flash Memory396
- Standard Serial I/O Mode416
- Parallel I/O Mode420
- Notes on Flash Memory421
20 Electrical Characteristics424
21 Usage Notes444
- Notes on Interrupts445
  - Changing Interrupt Sources446
  - Changing Interrupt Control Register Contents447
- Notes on Timers448
  - Notes on Timer RB449
- Notes on A/D Converter463
- Notes on Flash Memory464
- Notes on Noise467
22 Notes on On-Chip Debugger468
23 Notes on Emulator Debugger469
Appendix 1. Package Dimensions470
Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging Emulator471
Appendix 3. Example of Oscillation Evaluation Circuit472
- Index473

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English

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