
3800 GROUP USER’S MANUAL
3-32
APPENDIX
3.5 List of registers
Fig. 3.5.9 Structure of Timer 1
Fig. 3.5.10 Structure of Timer 2, Timer X, Timer Y
b7 b6 b5 b4 b3 b2 b1 b0
B
0
Function
At reset
R W
1
1
2
3
4
5
6
7
0
0
0
0
0
0
0
Timer 1 (T1) [Address : 21
16
]
The count value of the Timer 1 is set.
The value set in this register is written to both the Timer 1 and
the Timer 1 latch at the same time.
When the Timer 1 is read out, the value (count value) of the
Timer 1 is read out.
G
G
G
Timer 1
Timer 2, Timer X, Timer Y
b7 b6 b5 b4 b3 b2 b1 b0
B
0
Function
At reset
R W
1
1
2
3
4
5
6
7
1
1
1
1
1
1
1
Timer 2 (T2), Timer X (TX), Timer Y (TY)
[Address : 22
16
, 25
16
, 27
16
]
The count value of each timer is set.
The value set in this register is written to both the Timer and the
Timer latch at the same time.
When the Timer is read out, the value (count value) of the Timer
is read out.
G
G
G