SM79164 Datasheet, PDF (14/25 Pages) SyncMOS Technologies,Inc – 8 - Bit Micro-controller with 64KB flash & 4KB RAM embedded

SyncMOS Technologies International. Inc.
SM79164
PFS[7:0][1:0] : These two bits is 2’s power parameter to form a frequency divider for input clock.
PBS[7:0] : This bit decides channel bit resolution. If PBS[7:0] is set, the channel is 5-bit resolution.
PFS[7:0]1
0
0
1
1
PFS[7:0]0
0
1
0
1
Divider
0.5
1
2
4
PWM clock, Fosc=12MHz
24MHz (note)
12MHz
6MHz
3KHz
PWM clock, Fosc=24MHz
48MHz (note)
24MHz
12MHz
6MHz
note : If X’tal > 24MHz, can not select PFS[1:0] = 00
PWM Registers - PWM Data Register (PWMD[7:0], $BE ~ $BB, $B6 ~ $B3)
Read /
Write:
Reset value:
bit-7
PWMD
[7:0]7
R/W
0
PWMD
[7:0]6
R/W
0
PWMD
[7:0]5
R/W
0
PWMD
[7:0]4
R/W
0
PWMD
[7:0]3
R/W
0
PWMD
[7:0]2
R/W
0
PWMD
[7:0]1
R/W
0
bit-0
PWMD
[7:0]0
R/W
0
PWM[7:0][7:0] : content of PWM Data Register. If PBS[7:0] is set, only PWM[7:0][4:0] are available.]
Specifications subject to change without notice,contact your sales representatives for the most recent information.
14/26
Ver 2.1 SM79164 08/2006