HMS87C5216 ETC1 [List of Unclassifed Manufacturers], HMS87C5216 Datasheet - Page 58

• Manufacturer Part Number: HMS87C5216
• Description: CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR UR(Universal Remocon) & WIRELESS KEYBOARD
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

HMS87C5216
14. WATCH DOG TIMER
Watch Dog Timer (WDT) consists of 6-bit binary counter, 6-bit
14.1 Control of WDT
Watch Dog Timer can be used 6-bit general Timer or specific
Watch dog timer by setting
By assigning bit6(WDTCL) of WDTR, 6-bit counter can be
Figure 14-1 Block diagram of Watch Dog Timer
CKCTLR
IFBIT
WDTR
WDTR0
WDT0
7
-
0
0
WDTR1
WDT1
-
6BIT COMPARATOR
WDTON
WDTON
WDTR2
WDT2
0
1
Clock Control Register
ENPCK
WDTR3
WDT3
Watch Dog Timer Function Control
BTCL
WDTR4
WDT4
Watch Dog Timer
comparator, and Watch Dog Timer Register (WDTR).
cleared.
bit5 (WDTON) of Clock Control Register (CKCTLR).
6-bit Timer
BTS2
WDTR5
WDT5
5
BTS1
CLR
WDTCL
6
WDTON
BTS0
0
W <00C8 h>
Internal Data Bus
To Reset circuit
SEP. 2004 Ver 1.01
W <00C7 h>
IF WDT