
ML62Q1000 Series User's Manual
Chapter 10 Watchdog Timer
FEUL62Q1000
10-8
10.2.5 Watchdog Status Register (WDTSTA)
This register is a read-only special function register (SFR) to indicate the WDT counter clearing state.
Address:
0xF016
Access:
R
Access size: 8 bit
Initial value: 0x01
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Word
-
Byte
-
WDTSTA
Bit
-
-
-
-
-
-
-
-
-
-
-
-
-
WDTC
LR2
WDTC
LR1
WDTW
IN
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Initial
value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Bit
No.
Bit name
Description
7 to 3
Reserved bits
-
2
WDTCLR2
This bit is used to read the WDT counter clearing state.
It is set to "1" when WDT counter clearing is started and cleared to "0" when clearing is
completed. See Figure 10-3 for details of operation waveforms of the WDTCLR2 bit.
0: No WDT counter clearing (initial value)
1: WDT counter clearing in progress
1
WDTCLR1
This bit is used to read the status of acceptance of WDT counter clearing.
It is set to "1" when the WDT clear request is accepted in the WDTCON register. It is cleared
to "0" when WDT counter clearing is started.
While the WDTCLR1 bit is "1", writing to the WDTCON register is invalid. Writing to the
WDTCON register should be executed after ensuring that the WDTCLR1 bit is "0".
See Figure 10-3 for details of operation waveforms of the WDTCLR1 bit.
0: WDT counter clearing is not pending (initial value)
1: WDT counter clearing is pending
0
WDTWIN
This bit is used to indicate the status of enabling/disabling WDT counter clearing.
0: Clearing is disabled.
1: Clearing is enabled (initial value).
Summary of Contents for ML62Q1000 Series
Page 17: ...Chapter 1 Overview...
Page 112: ...Chapter 2 CPU and Memory Space...
Page 154: ...Chapter 3 Reset Function...
Page 166: ...Chapter 4 Power Management...
Page 196: ...Chapter 5 Interrupts...
Page 248: ...Chapter 6 Clock generation Circuit...
Page 274: ...Chapter 7 Low Speed Time Base Counter...
Page 291: ...Chapter 8 16 Bit Timer...
Page 320: ...Chapter 9 Functional Timer FTM...
Page 382: ...Chapter 10 Watchdog Timer...
Page 402: ...Chapter 11 Serial Communication Unit...
Page 456: ...Chapter 12 I2 C Bus Unit...
Page 491: ...Chapter 13 I2 C Master...
Page 512: ...Chapter 14 DMA Controller...
Page 531: ...Chapter 15 Buzzer...
Page 550: ...Chapter 16 Simplified RTC...
Page 559: ...Chapter 17 GPIO...
Page 594: ...Chapter 18 External Interrupt Function...
Page 612: ...Chapter 19 CRC Generator...
Page 632: ...Chapter 20 Analog Comparator...
Page 644: ...Chapter 21 D A Converter...
Page 655: ...Chapter 22 Voltage Level Supervisor...
Page 676: ...Chapter 23 Successive Approximation Type A D Converter...
Page 709: ...Chapter 24 Regulator...
Page 714: ...Chapter 25 Flash Memory...
Page 743: ...Chapter 26 Code Option...
Page 750: ...Chapter 27 LCD Driver...
Page 788: ...Chapter 28 On Chip Debug Function...
Page 795: ...Chapter 29 Safety Function...
Page 813: ...Appendix A...
Page 881: ...Revision History...