176
CHAPTER 11 WATCHDOG TIMER
11.3.1
Watchdog Timer Control Register (WDTC)
The watchdog timer control register (WDTC) activates or clears the watchdog timer.
■
Watchdog Timer Control Register (WDTC)
Figure 11.3-2 Watchdog Timer Control Register (WDTC)
WTE3 WTE2 WTE1 WTE0
Watchdog control bits
1
0
1
0
•
Activate watchdog timer
(in first write after reset)
•
Clear watchdog timer
(in second or succeeding write after reset)
Other than above
No effect on operation
CS1
CS0
Count clock switch bits
0
0
Output cycle of timebase timer (2
21
/F
CH
)
0
Output cycle of timebase timer (2
20
/F
CH
)
1
Output cycle of watch prescaler (2
14
/F
CL
)
1
1
0
1
Output cycle of watch prescaler (2
13
/F
CL
)
Address
000C
H
bit5
-
bit6
CS0
R/W
bit7
CS1
R/W
bit4
-
R0/WX
R0/WX
bit3
WTE3
bit2
WTE2
bit1
WTE1
bit0
WTE0
R0,W
R0,W
R0,W
R0,W
Initial value
00--0000
B
F
CH
: Main clock
F
CL
: Subclock
R/W
: Readable/writable (Read value is the same as write value)
R0,W
: Write only (Writable, "0" is read)
R0/WX : Undefined bit (Read value is "0", writting has no effect on operation)
-
: Not used
: Initial value
Содержание F2 MC-8FX Family
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Страница 30: ...16 CHAPTER 1 DESCRIPTION 1 FPT 64P M23 FPT 64P M24 2 For the I O circuit type refer to 1 8 I O Circuit Type ...
Страница 34: ...20 CHAPTER 1 DESCRIPTION ...
Страница 35: ...21 CHAPTER 2 HANDLING DEVICES This chapter gives notes on using 2 1 Device Handling Precautions ...
Страница 38: ...24 CHAPTER 2 HANDLING DEVICES ...
Страница 39: ...25 CHAPTER 3 MEMORY SPACE This chapter describes memory space 3 1 Memory Space 3 2 Memory Map ...
Страница 43: ...29 CHAPTER 4 MEMORY ACCESS MODE This chapter describes the memory access mode 4 1 Memory Access Mode ...
Страница 56: ...42 CHAPTER 5 CPU ...
Страница 73: ...59 CHAPTER 6 CLOCK CONTROLLER ...
Страница 96: ...82 CHAPTER 6 CLOCK CONTROLLER ...
Страница 104: ...90 CHAPTER 7 RESET ...
Страница 105: ...91 CHAPTER 8 INTERRUPTS This chapter explains the interrupts 8 1 Interrupts ...
Страница 174: ...160 CHAPTER 10 TIMEBASE TIMER ...
Страница 184: ...170 CHAPTER 10 TIMEBASE TIMER ...
Страница 218: ...204 CHAPTER 13 WATCH PRESCALER ...
Страница 257: ...243 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 261: ...247 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 288: ...274 CHAPTER 16 8 16 BIT COMPOSITE TIMER ...
Страница 301: ...287 CHAPTER 17 16 BIT PPG TIMER ...
Страница 316: ...302 CHAPTER 17 16 BIT PPG TIMER ...
Страница 382: ...368 CHAPTER 21 UART SIO DEDICATED BAUD RATE GENERATOR ...
Страница 390: ...376 CHAPTER 22 I2C ...
Страница 395: ...381 CHAPTER 22 I2C ...
Страница 399: ...385 CHAPTER 22 I2C ...
Страница 430: ...416 CHAPTER 23 10 BIT A D CONVERTER ...
Страница 476: ...462 CHAPTER 24 LCD CONTROLLER ...
Страница 482: ...468 CHAPTER 25 LOW VOLTAGE DETECTION RESET CIRCUIT ...
Страница 494: ...480 CHAPTER 26 CLOCK SUPERVISOR ...
Страница 507: ...493 CHAPTER 27 REAL TIME CLOCK ...
Страница 523: ...509 CHAPTER 27 REAL TIME CLOCK ...
Страница 532: ...518 CHAPTER 27 REAL TIME CLOCK ...
Страница 536: ...522 CHAPTER 28 256 KBIT FLASH MEMORY ...
Страница 554: ...540 CHAPTER 28 256 KBIT FLASH MEMORY ...
Страница 564: ...550 CHAPTER 29 EXAMPLE OF SERIAL PROGRAMMING CONNECTION ...
Страница 595: ...581 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Страница 596: ...582 INDEX Index ...
Страница 597: ...583 INDEX ...
Страница 599: ...585 Pin Function Index V2 LCD power supply driving pin 2 439 V3 LCD power supply driving pin 3 439 ...
Страница 600: ...586 Pin Function Index ...
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