SM59R16A2 Datasheet, PDF (40/67 Pages) SyncMOS Technologies,Inc – 8-Bit Micro-controller

SM59R16A2/SM59R08A2
8-Bit Micro-controller
64KB/32KB ISP Flash & 2KB RAM embedded
Mnemonic Description
WDTC
WDTK
Watchdog timer
control register
Watchdog timer
refresh key
Direct Bit 7
B6h WDTF
Bit 6 Bit 5 Bit 4
Watchdog Timer
-
-
-
Bit 3
-
B7h
WDTK[7:0]
Bit 2
-
Bit 1
-
Bit 0 RESET
-
00h
00h
Mnemonic: WDTC
Address: B6h
7
6
5
4
3
2
1
0
Reset
WDTF -
-
-
-
-
-
-
00h
WDTF: Watchdog timer reset flag.
When MCU is reset by watchdog, WDTF flag will be set to one by hardware.
This flag is cleared by software or external reset.
Mnemonic: WDTK
Address: B7h
7
6
5
4
3
2
1
0 Reset
WDTK[7:0]
00h
WDTK: Watchdog timer refresh key.
A programmer must write 0x55 into WDTK register, then the watchdog timer
will be cleared to zero.
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M034
40
Ver.B SM59R16A2/SM59R08A2 06/2009