HD6475328CG Datasheet, PDF (395/459 Pages) Hitachi Semiconductor – Manual Gives a Hardware Description

TCR—Timer Control Register
Bit
7
6
5
OE
OS
—
Initial value
0
0
1
Read/Write
R/W R/W
—
H'FFC0
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- PW PW
Clock Freq. lution Period Frequency
000 ø/2
200ns 50µs 20kHz
001 ø/8
800ns 200µs 5kHz
010 ø/32
3.2µs 800µs 1.25kHz
011 ø/128
12.8µs 3.2ms 312.5kHz
100 ø/256
25.6µs 6.4ms 156.3Hz
101 ø/1024
102.4µs 25.6ms 39.1Hz
110 ø/2048
204.8µs 51.2ms 19.5Hz
111 ø/4096
409.6µs 102.4ms 9.8Hz
Output Select
0 Positive logic
1 Negative logic
Output Enable
0 PW output disabled; TCNT cleared to H'00 and stops.
1 PW output enabled; TCNT runs.
DTR—Duty Register
H'FFC1
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
386