SC9149AHN SILAN [Silan Microelectronics Joint-stock], SC9149AHN Datasheet - Page 2

• Manufacturer Part Number: SC9149AHN
• Description: INFRARED REMOTE CONTROL RECEIVER
• Manufacturer: SILAN [Silan Microelectronics Joint-stock]

BLOCK DIAGRAM
Silan
Semiconductors
VDD
OSC
HANGZHOU SILAN MICROELECTRONICS CO.,LTD.
OSC
VDD
16
15
16
15
CODE 2 CODE 3
CODE 2 CODE 3
14
14
Check
Code
Check
Code
GND
OSC
GND
OSC
1
1
13
13
Input Pulse
SC9149AL/9149AHN Block Diagram
Input Pulse
counter
counter
Input shift
Input shift
register
register
Detection
Detection
Rx IN
Error
Rx IN
Error
SC9149A Block Diagram
2
2
Output Buffer
Output Buffer
Shift register
Shift register
Latch Circuit
Latch Circuit
F/F
Up Counter
F/F
Up Counter
SP1
SP1
12
12
2
SC9149A/SC9150A
F/F
F/F
SP2
SP2
11
11
Data Check
Data Check
10
3
4
5
6
7
8
9
10
3
4
5
6
7
8
9
HP1
HP2
HP3
HP4
HP5
SP5
SP4
SP3
HP1
HP2
HP3
HP4
HP5
CP2
CP1
SP3
Rev: 1.2
2003.01.21