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參數(shù)資料
| 型號： | BL0507 |
| 廠商： | 上海貝嶺股份有限公司 |
| 英文描述： | Infrared Remote Control Transmitter IC |
| 中文描述： | 紅外遙控發(fā)射器IC |
| 文件頁數(shù)： | 3/9頁 |
| 文件大小： | 99K |
| 代理商： | BL0507 |
BL0507
Infrared Remote Control Transmitter IC
Address
No.810, YiShan Road ShangHai China Tel
86-021-64850700 Fax
86-64852222 Zip.200233
Custom Code select
Pull-up Resistance
R
up
160
200
240
k
Function description
Oscillation Pin:
The BL0507 Oscillation circuit is designed for use of a
400kHz to 500kHz ceramic resonator, but there may be
mutual influence between variations in the IC and the
ceramic resonator resulting in abnormal oscillation. The
following table shows the recommended values of C
1
and
C
2
when using the BL0507.The oscillation circuit starts to
operate when a key is depressed.
BL0507
C2
C1
OSCI
OSCO
Product
External Capacitance (pF)
C
1
220
220
120
220
Output the transmission code consisting of the leader code ,custom code
(16bits) and data code (16bits) .
SEL Pin
DATA CODE D
7
can be controlled by this pin, allowing 128 kinds of data to be
transmitted. D
7
is set to “0” by connecting the pin to V
DD
, and to “1” by
connecting the SEL pin to V
SS
. As the input of this pin is high-impedance, it must
be connected to either V
DD
or Vss.
CCS Pin
The custom code can be set by the diode connected to the CCS
pin and the KI/O
pin.
LMP Pin
Outputs “L” while the REM pin is outputting a transmission code.
Oscillation Voltage Range (V)
MIN
2.0
2.0
2.0
2.0
C
2
220
220
300
220
MAX
3.3
3.3
3.3
3.3
CSB455E
CSB480E
P46CRK455M11
KBR-455BTLR
REM Pin
Transmission Code
The transmission code consists of a leader code, 16-bit custom code, and 8-bit data code+8-bit inverse code of
the data code, they are also sent simultaneously, giving a total configuration of 32- bits per transmission. The
code uses the PPM (pulse position Modulation) method, with “1” and “0” differentiated by the time between
pulse. Each code consists of 8-bits, and simultaneous transmission of the inverse code allows configuration of a
system with an extremely low error rate.
C
0
C
1
C
2
C
3
C
4
C
5
C
6
C
7
C
0
C
1
C
2
C
3
C
4
C
5
C
6
C
7
‘
‘
‘
‘
‘
‘
‘
‘
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
Leader code
Custom Code
Custom Code
Date Code
Date Code
REM Output Code
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