199
CHAPTER 12 WATCHDOG TIMER
12.2
Configuration of Watchdog Timer
The watchdog timer consists of the following blocks:
• Count clock selector
• Watchdog timer counter (2-bit counter)
• Watchdog reset generator
• Counter clear control circuit
• Watchdog timer control register (WDTC)
■
Block Diagram of Watchdog Timer
Figure 12.2-1 Block Diagram of Watchdog Timer
×
2
1
×
2
2
×
2
11
×
2
12
×
2
13
×
2
14
×
2
15
×
2
16
×
2
17
×
2
18
×
2
10
×
2
9
×
2
8
⋅ ⋅ ⋅
2
SRST
WT1 WT0
WTE
PONR
WRST ERST
WDCS
×
2
1
×
2
2
×
2
8
×
2
9
×
2
10
×
2
11
×
2
12
×
2
13
×
2
14
×
2
15
×
2
7
×
2
6
×
2
5
⋅ ⋅ ⋅
4
4
Counter
clear control
circuit
Watchdog timer control register (WDTC)
Watch timer control register (WTC)
Watchdog reset
generation
circuit
2-bit
counter
Count clock
selector
Generation of reset
Shift to sleep mode
(Timebase timer counter)
(Watch counter)
HCLK : Oscillation clock
SCLK : Sub clock
* : SCLK is 2 division or 4 division of the clock inputted to the low-speed oscillation pin (X0A and X1A) or
internal CR oscillation clock. The division ratio is set by the SCDS bit of the PLL/subclock control
register (PSCCR). (See "CHAPTER 5 CLOCKS".)
Main clock
(2 division of HCLK)
Shift to timebase
timer mode
Shift to watch mode
Shift to stop mode
To internal
reset
generation
circuit
Watchdog timer
Start up
Clear
Sub clock
SCLK*
Summary of Contents for F2MCTM-16LX
Page 2: ......
Page 3: ...FUJITSU LIMITED F2MCTM 16LX 16 BIT MICROCONTROLLER MB90360 Series HARDWARE MANUAL ...
Page 4: ......
Page 42: ...26 CHAPTER 1 OVERVIEW ...
Page 70: ...54 CHAPTER 2 CPU ...
Page 134: ...118 CHAPTER 6 CLOCK SUPERVISOR ...
Page 176: ...160 CHAPTER 8 LOW POWER CONSUMPTION MODE ...
Page 194: ...178 CHAPTER 10 I O PORTS ...
Page 252: ...236 CHAPTER 13 16 Bit I O TIMER ...
Page 282: ...266 CHAPTER 14 16 BIT RELOAD TIMER ...
Page 296: ...280 CHAPTER 15 WATCH TIMER ...
Page 386: ...370 CHAPTER 18 8 10 BIT A D CONVERTER ...
Page 426: ...410 CHAPTER 20 LIN UART Figure 20 5 2 ORE Flag Set Timing RDRF ORE Reception data ...
Page 540: ...524 CHAPTER 22 ADDRESS MATCH DETECTION FUNCTION ...
Page 568: ...552 CHAPTER 24 512K BIT FLASH MEMORY ...
Page 633: ...617 APPENDIX B Instructions Table B 9 3 Bit Operation Instruction Map first byte 6CH ...
Page 634: ...618 APPENDIX Table B 9 4 Character String Operation Instruction Map first byte 6EH ...
Page 637: ...621 APPENDIX B Instructions Table B 9 7 ea Instruction 2 first byte 71H ...
Page 638: ...622 APPENDIX Table B 9 8 ea Instruction 3 first byte 72H ...
Page 639: ...623 APPENDIX B Instructions Table B 9 9 ea Instruction 4 first byte 73H ...
Page 640: ...624 APPENDIX Table B 9 10 ea Instruction 5 first byte 74H ...
Page 641: ...625 APPENDIX B Instructions Table B 9 11 ea Instruction 6 first byte 75H ...
Page 642: ...626 APPENDIX Table B 9 12 ea Instruction 7 first byte 76H ...
Page 643: ...627 APPENDIX B Instructions Table B 9 13 ea Instruction 8 first byte 77H ...
Page 644: ...628 APPENDIX Table B 9 14 ea Instruction 9 first byte 78H ...
Page 645: ...629 APPENDIX B Instructions Table B 9 15 MOVEA RWi ea Instruction first byte 79H ...
Page 646: ...630 APPENDIX Table B 9 16 MOV Ri ea Instruction first byte 7AH ...
Page 647: ...631 APPENDIX B Instructions Table B 9 17 MOVW RWi ea Instruction first byte 7BH ...
Page 648: ...632 APPENDIX Table B 9 18 MOV Ri ea Instruction first byte 7CH ...
Page 649: ...633 APPENDIX B Instructions Table B 9 19 MOVW ea Rwi Instruction first byte 7DH ...
Page 650: ...634 APPENDIX Table B 9 20 XCH Ri ea Instruction first byte 7EH ...
Page 651: ...635 APPENDIX B Instructions Table B 9 21 XCHW RWi ea Instruction first byte 7FH ...
Page 664: ...648 APPENDIX ...
Page 665: ...649 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Page 682: ......