GMS84512 Datasheet, PDF (46/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS 84512 / 84524
TIMER MODE REGISTER 0
TM0
<00D0_H>
-
R/W R/W R/W R/W R/W R/W R/W
7
6
5
4
3
2
1
0
- T1ST T1SL1 T1SL0 T0ST T0CN T0SL1 T0SL0
Initial Value when MCU Reset
[ -000 0000 ]
T1 Start/Stop control
0 : Cout Stop
1 : Counting start after clearing T1
* Don't care in 16bit Mode
T1 Input Clock Selection
00 : Connection to T0 (16bit Mode )
01 : PS2 ( 500 u S )
10 : PS4 ( 2 u S )
11 : PS6 ( 8 u S )
T0 Input Clock Selection
00 : PS2 ( 500 u S )
01 : PS4 ( 2 u S )
10 : PS6 ( 8 u S )
11 : PS8 ( 32 u S )
T0 Start/Stop control
0 : COUNT Stop
1 : COUNT Start
T0 Start/Stop control
0 : Count Stop
1 : Counting start after clearing T0
TIMER MODE REGISTER 2
TM2
<00D1_H>
-
R/W R/W R/W R/W R/W R/W R/W
7
6
5
4
3
2
1
0
- T3ST T3SL1 T3SL0 T2ST T2CN T2SL1 T2SL0
Initial value when MCU Reset
[ -000 0000 ]
T3 Start/Stop control
0 : Count Stop
1 : Counting start after clearing T3
* Don't care in 16bit Mode
T3 Input Clock Selection
00 : Connection to T2 ( 16bit Mode )
01 : Input external clock source(EC3)
10 : PS2 ( 500 u S )
11 : PS4 ( 2 u S )
T2 Input Clock Selection
00 : Input external clock source(EC2)
01 : PS2 ( 500 u S )
10 : PS4 ( 2 u S )
11 : PS6 ( 8 u S )
T2 Start/Stop Control
0 : Count Stop
1 : Count Start
T2 Start/Stop Control
0 : Count Stop
1 : Counting start after clearing T2
TIMER0 ~ TIMER3 DATA REGISTER
TDR0
<00D2_H>
TDR1
<00D3_H>
R/W
7
R/W
6
R/W
5
R/W
4
R/W
3
R/W
2
R/W
1
R/W
0
TDR0 TDR0 TDR0 TDR0 TDR0 TDR0 TDR0 TDR0
7
6
5
4
3
2
1
0
Initial value when MCU Reset
[ Not Initialized ]
TDR2
<00D4_H>
TDR3 ( READ )
T0 Count Value Read
<00D5_H> _{T1 Count Value Read}
T2 Count Value Read
T3 Count Value Read
( WRITE)
Modulo Data Write of T0
Modulo Data Write of T1
Modulo Data Write of T2
Modulo Data write T3
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