sh66k51a SinoWealth Micro-Electronics Corp. Ltd, sh66k51a Datasheet - Page 28

• Manufacturer Part Number: sh66k51a
• Description: 2k 4-bit Micro-controller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Carrier Load Data Register
For Example:
Address
System clock
$20
$21
$22
$23
480k/4
455k/4
432k/4
4M/4
4M/4
4M/4
4M/4
CFH3
CFH7
CFL3
CFL7
Bit3
CPS2, CPS1, CPS0
SYSTEM
CFH2
CFH6
CFL2
CFL6
CLOCK
Bit2
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, 1
1, 1, 1
C
P
S
2
divider
scaler
Pre-
CFH1
CFH5
CFL1
CFL5
C
P
S
1
Bit1
Remote Control Functional Block Diagram
C
P
S
0
CARRIER SYNTHESIZER
High level timer load data
Low level timer load data
CFL
$EB
$EF
$EF
$F2
$FE
$FE
$FE
CFH0
CFH4
CFL0
CFL4
Bit0
Carrier generating
register
counter
register
R/W
R/W
R/W
R/W
R/W
28
CFH
$F8
$F7
$F3
$F9
$FF
$FF
$FF
Carrier low level timer load data register
Carrier low level timer load data register
Carrier high level timer load data register
Carrier high level timer load data register
Carrier
output
REMO
Carrier Duty
13/27 ≈ 1/2
8/25 ≈ 1/3
9/26 ≈ 1/3
7/28 = 1/4
1/3 = 1/3
1/3 = 1/3
1/3 = 1/3
REM
Remarks
Carrier Frequency
40.00kHz
38.46kHz
37.04kHz
35.71kHz
40.00kHz
37.92kHz
36.00kHz
SH66K51A