Toshiba TLCS-90 Series Data Book page 275

TOSHIBA TMP90C840
Timer 2, 3 Timer 0, 1
I
7
6
5
4 3 2
1
a
I
TMOD I T23M PWM3 TOIM PWMI
(FFDAH)
I
I
I
I
R/W
1_>
Select PWM 1 cycle
("Don't care" in non-PWM modes)
*
1001
I
1--1------------------------------1
lOll 2
6
-1
I
1--1------------------------------1
1101
27 -
1
I
1--1------------------------------1
I
11
I
2
8
- 1
I
R/W
____ >
Set operating mode of Timer
a
and 1.
*
1001 8-bit timer x 2
I
1--1------------------------------1
lOll 16-bit timer
I
1--1------------------------------1
1101 8-bit PPG output
I
1--1------------------------------1
1111 8-bit PWM output (Timer
1)
I
I I
+8-bit timer (Timer 0)
I
R/W
________ >
Select PWM 3 cycle
("Don
I
t care" in non-PWM modes)
*
1001
I
1--1------------------------------1
1011
2
6
- 1
I
1--1------------------------------1
110
I
2
7
- 1
I
1--1------------------------------1
III
I
2
8
- 1
I
R/W
___________ >
Set operating mode of Timer 2 and 3.
*
1001 8-bit timer x 2
I
1--1------------------------------1
lOll 16-bit timer
I
1--1------------------------------1
1101 8-bit PPG output
I
1--1------------------------------1
1111 8-bit PWM output (Timer 3)
I
I I
+8-bit timer (Timer 2)
I
(Note)
*
indicates initial value after reset.
R/W denotes that read or write is possible.
Fig. 3.5 (3) 8-bit Timer Mode register (TMOD)
MPU90-77