HD6475348R Datasheet, PDF (420/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

TCR—Timer Control Register
Bit
7
6
5
OE
OS
—
Initial value
0
0
1
Read/Write
R/W R/W
—
H'FEC0
PWM1
4
3
2
1
0
—
—
CKS2 CKS1 CKS0
1
1
0
0
0
—
—
R/W R/W R/W
Clock Select (Values When ø = 10MHz)
Internal Reso- PWM PWM
Clock Freq. lution Period Frequency
000 ø/2
200 ns 50 µs 20 kHz
001 ø/8
800 ns 200 µs 5 kHz
010 ø/32
3.2 µs 800 µs 1.25 kHz
011 ø/128
12.8 µs 3.2 ms 312.5 kHz
100 ø/256
25.6 µs 6.4 ms 156.3 Hz
101 ø/1024
102.4 µs 25.6 ms 39.1 Hz
110 ø/2048
204.8 µs 51.2 ms 19.5 Hz
111 ø/4096
409.6 µs 102.4 ms 9.8 Hz
Output Select
0 Positive logic
1 Negative logic
Output Enable
0 PWM output disabled; TCNT cleared to H'00 and stops.
1 PWM output enabled; TCNT runs.
DTR—Duty Register
H'FEC1
PWM1
Bit
7
6
5
4
3
2
1
0
Initial value
Read/Write
1
1
1
1
1
1
1
1
R/W R/W R/W R/W R/W R/W R/W R/W
Pulse duty factor
410