sh66k33a SinoWealth Micro-Electronics Corp. Ltd, sh66k33a Datasheet - Page 12

• Manufacturer Part Number: sh66k33a
• Description: Mask 1k 4-bit Micro-controller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

HIGH & LOW
OVERFLOW
REGISTER
CARRIER
OUTPUT
COUNTER
COUNTER
MODIFY
SOURCE
REM
DATA
SIGNAL
RESET
1: load high level data register
2: High level counter overflow and load lowlevel data register
3: Low level counter overflow and load high level data register
REMO
1
OUTPUT
LEVEL OUTPUT
HIGH
fosc
LEVEL
2
LOW
3
n1Dec = ($1E, $1D) Hex
n2Dec = ($1C, $1B) Hex
OUTPUT
C
P
S
2
LEVEL OUTPUT
divider
HIGH
scaler
Pre-
C
P
S
1
Remote Control Functional Block Diagram
C
P
S
0
LEVEL
2
LOW
CARRIER SYNTHESIZER
3
High level timer load data
Carrier Synthesize Wave
Low level timer load data
Carrier generating
2
register
counter
register
1
12
2
3
(255-n1)
interval
clock
carrier wave
Carrier
output
period
2
(255-n2)
REMO
interval
clock
3
REM
2
SH66K33A
3