GMS81508A Datasheet, PDF (26/91 Pages) Hynix Semiconductor – USERS MANUAL

GMS81508/16
2.6. TIMER
The GMS81508/16 has four multi-functional 8-bit binary timers(Timer0~Timer3).
Timer0 (or Timer2) is can be used as a 16-bit timer/event counter with Timer1(or Timer3). The
Timer0-1 and Timer2-3 have same functions and structures. So, We will explains about Timer0 and
Timer1 only.
Internal Data Bus
7
TM0
76543210
CAP0
T0CN
T0ST
2
EC0
PS2 _MUX
PS4
PS6
2
0
MUX
1
8
8
TDR0
Data Reg. 0
8
Comparator 0
8
ck
T0
Clea
16bit Mode
PS2
MUX
PS4
PS6
INT0
EDGE
T1ST
INTR0
1
MUX
0
8
8
TDR1
Data Reg. 1
8
Comparator 1
8
ck
T1
Clea
16bit Mode
T1O
IFT1
1
MUX
0
IFT0
F/F

Operation Mode of Timer
Timer0,Timer2
Timer1,Timer3
-. 8-bit Interval Timer
-. 8-bit Interval Timer
-. 8-bit Event Counter
-. 8-bit input capture
-. 8-bit rectangular pulse
output
-. 16-bit Interval Timer
-. 16-bit Event Counter
-. 8-bit rectangular pulse output
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