sh66p51 SinoWealth Micro-Electronics Corp. Ltd, sh66p51 Datasheet - Page 22

• Manufacturer Part Number: sh66p51
• Description: Otp 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
Figure 5. Remote Control Functional Block Diagram
C
P
S
2
divider
scaler
Pre-
CFH1
CFH5
CFL1
CFL5
C
P
S
1
Bit1
C
P
S
0
CARRIER SYNTHESIZER
High level timer load data
Low level timer load data
CFH0
CFH4
CFL0
CFL4
Bit0
Carrier generating
CFL
$EB
$EF
$EF
$FE
$FE
$FE
$F2
register
counter
register
R/W
R/W
R/W
R/W
R/W
22
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
CFH
$FF
$FF
$FF
$F8
$F7
$F3
$F9
Carrier
output
REMO
Carrier Duty
13/27 ≈ 1/2
REM
7/28 = 1/4
8/25 ≈ 1/3
9/26 ≈ 1/3
Remarks
1/3 = 1/3
1/3 = 1/3
1/3 = 1/3
Carrier Frequency
40.00kHz
38.46kHz
37.04kHz
35.71kHz
40.00kHz
37.92kHz
36.00kHz
SH66P51