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CHAPTER 15 WATCH TIMER
15.3.1
Watch Timer Control Register (WTC)
This section explains the functions of the watch timer control register (WTC).
■
Watch Timer Control Register (WTC)
Figure 15.3-2 Watch Timer Control Register (WTC)
1X001000
B
4
5
3
2
1
0
6
7
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
0000AA
H
WTC0
WTC1
WTC2
WTR
WTOF
WTIE
SCE
WDCS
bit2
bit1
bit0
WTC2 WTC1 WTC0
Interval time select bit
0
0
0
2
8
/SCLK(31.25 ms)
0
0
1
2
9
/SCLK(62.5 ms)
0
1
0
2
10
/SCLK(125 ms)
0
1
1
2
11
/SCLK(250 ms)
1
0
0
2
12
/SCLK(500 ms)
1
0
1
2
13
/SCLK(1.0 s)
1
1
0
2
14
/SCLK(2.0 s)
1
1
1
2
15
/SCLK(4.0 s)
bit3
WTR
Watch timer clear bit
Read
Write
0
⎯
Clear watch timer counter
1
"1" is always read.
No effect
Reset value
R/W
: Read/Write
R
: Read only
X
: Undefined
SCLK : Subclock
: Reset value
bit4
WTOF
Overflow flag bit
Read
Write
0
No overflow of the bit
corresponding to set interval
time
Clears WTOF bit
1
Overflow of the bit
corresponding to set interval
time
No effect
bit5
WTIE
Overflow interrupt enable bit
0
Interrupt request disable
1
Interrupt request enable
bit6
SCE
Oscillation stabilization wait time end bit
0
Oscillation stabilization wait state
1
Oscillation stabilization wait time end
bit7
WDCS
Watchdog clock select bit
(input clock of watchdog timer)
Main or PLL clock mode
Subclock mode
0
Watch timer
Set "0"
1
Timebase timer
The parenthesized values are provided when subclock operates at 8.192 kHz.
Address
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: ......