SM39R08A5 Datasheet, PDF (41/58 Pages) SyncMOS Technologies,Inc – Additional Baud Rate Generator

SM39R08A5
8-Bit Micro-controller
with 8KB Flash
& 256B RAM embedded
11.PWM - Pulse Width Modulation
SM39R08A5 provides four-channel PWM outputs.
The interrupt vector is 43h.
Mnemonic
PWMC
PWMD0H
PWMD0L
PWMD1H
PWMD1L
PWMD2H
PWMD2L
PWMD3H
PWMD3L
PWMMDH
PWMMDL
Description
PWM Control
register
PWM 0 Data
register high
byte
PWM 0 Data
register low
byte
PWM 1 Data
register high
byte
PWM 1 Data
register low
byte
PWM 2 Data
register high
byte
PWM 2 Data
register low
byte
PWM 3 Data
register high
byte
PWM 3 Data
register low
byte
PWM Max
Data register
high byte
PWM Max
Data register
low byte
Direct
B5h
Bit 7
Bit 6 Bit 5
PWM
PWMCS[2:0]
BCh PWMP0 -
-
BDh
BEh PWMP1 -
-
BFh
B1h PWMP2 -
-
B2h
B3h PWMP3 -
-
B4h
CEh
-
-
-
CFh
Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RESET
-
PWM3E PWM2E PWM1E PWM0E
N
N
N
N
00H
-
-
-
PWMD0[9:8]
00H
PWMD0[7:0]
00H
-
-
-
PWMD1[9:8]
00H
PWMD1[7:0]
00H
-
-
-
PWMD2[9:8]
00H
PWMD2[7:0]
00H
-
-
-
PWMD3[9:8]
00H
PWMD3[7:0]
00H
-
-
-
PWMMD[9:8]
00H
PWMMD[7:0]
FFH
Mnemonic: PWMC
7
6
5
PWMCS[2:0]
Address: B5h
4
3
2
1
0
Reset
- PWM3EN PWM2EN PWM1EN PWM0EN 00H
PWMCS[2:0]: PWM clock select.
PWMCS [2:0]
000
001
010
011
100
101
110
111
Mode
Fosc
Fosc/2
Fosc/4
Fosc/6
Fosc/8
Fosc/12
Timer 0 overflow
P3.4
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M067
Ver E SM39R08A5 06/30/2015
- 41 -