BL0508A1 Infrared Remote Control Transmitter IC
Description
The BL0508A1 is an infrared remote control transmitter LSI. There are 32 function keys and 3 double action
keys . The transmission code consists of 鈥渓eader pulse鈥? 鈥?6bit customer code 鈥漚nd 鈥?6 bit date 鈥? Using
microprocessors for decode, various applications can be realized. (BL0508A1 is compatible with LC7462)
Pin Assignment
KL
0
KL
1
KL
2
KL
3
REM
V
DD
SEL
OSC
0
OSC
1
V
SS
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CCS
KI/00
KI/01
KI/02
KI/03
KI/04
KI/05
KI/06
KI/07
LMP
SOP 20
Features
銉籐ow
voltage operation: V
DD
=2.0~3.3V
銉籐ow
power consumption: I
DD
鈮?/div>
1渭A at standby mode
銉籄
system with high interference resistance and an
extremely low error rate .
銉?/div>
Fewer external parts
銉籙se
of ceramic resonator with a 400 to 500kHz
oscillation is designed for non-adjustment operation
Applications:
Remote Control for TV
Sample Application Circuit:
455kHz Ceramic Resonator
3V
+
-
47碌F
CG
CD
1K鈩?/div>
Transmission
Display
Infrared Light
Emitting Diode
SE103AC,SE307
SE313,SE1003
2SC3616,3618
2SD1615,1616
2SC2001
2.0K鈩?/div>
V
DD
CCS
OSC1
1
OSC1
0
SEL
BL0508A1
LMP
V
SS
REM
BL0508A1
K10~K13
Address錛?No.810, YiShan Road ShangHai China Tel錛?6-021-64850700 Fax錛?6-64852222 Zip.200233
1
