GMS84512 Datasheet, PDF (41/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS 84512 / 84524
l Reading of Basic Interval Timer
Basic Interval Timer Register can be read and interval up to 65ms can be measured
(Note : The writing at same address overwrites the CKCTLR.)
BASIC INTERVAL TIMER REGISTER
BITR
<00CE_H>
R
R
R
R
R
R
R
R
7
6
5
4
3
2
1
0
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
Initial value when MCU Reset
Not initialized
B.I.T.count value ( When read)
3.2.4 Watch Dog Timer
Watch Dog Timer is consist of 6-bit Binary Counter, 6-Bit Comparator and Watch Dog Timer
Register(WDTR)
IFWDT is generated when counter value equals to WDTR, it can be used as S/W interrupt or
MCU reset (Watch Dog Function) signal.
IFBIT
0
6-bit Counter
5
WDTON
WDT0 WDT1 WDT2 WDT3 WDT4 WDT5 ^CLR
6-bit COMPARATOR
to Reset
Circuit
IFWDT
0
6
WDTR ^{WDTR WDTR WDTR WDTR WDTR WDTR WDT}
0
1
2
3
4
5
CL
7
Data BUS
FIG. 3.2.4 Configuration Watch Dog Timer
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