Hitachi H8S/2646 Hardware Manual page 1050

TMDR1—Timer Mode Register 1
Bit 7
—
Initial value 1
—
Read/Write
1018
6 5 4
— — —
1 0 0
— — —
H'FF21
3 2
MD3 MD2
0 0
R/W R/W
Mode
0 0 0 0 Normal operation
1
Reserved
1 0
PWM mode 1
1
PWM mode 2
1 0 0
Phase counting mode 1
1
Phase counting mode 2
1 0
Phase counting mode 3
1
Phase counting mode 4
1
* * * —
Note: MD3 is a reserved bit. In a write, it
should always be written with 0.
TPU1
1 0
MD1 MD0
0 0
R/W R/W
*: Don't care