參數(shù)資料
型號: UPD66P04BGS
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
中文描述: 4位單片機(jī)的紅外遙控傳輸
文件頁數(shù): 21/32頁
文件大?。?/td> 164K
代理商: UPD66P04BGS
21
μ
PD66P04B
Data Sheet U13596EJ2V0DS00
6. APPLIED CIRCUIT EXAMPLE
Example of Application to System
Remote-control transmitter (40 keys; mode selection switch accommodated)
Remote-control transmitter (48 keys accommodated)
Remark
When the POC circuit is used effectively, it is not necessary to connect the capacitor enclosed in the
dotted lines.
K
I/O6
K
I/O7
S
0
S
1
/LED
REM
V
DD
OSC
OUT
OSC
IN
GND
RESET
K
I/O5
K
I/O4
K
I/O3
K
I/O2
K
I/O1
K
I/O0
K
I3
K
I2
K
I1
K
I0
Key matrix
8
×
5 = 40 keys
Mode selection switch
+
+
R
C
K
I/O6
K
I/O7
S
0
S
1
/LED
REM
V
DD
OSC
OUT
OSC
IN
GND
RESET
K
I/O5
K
I/O4
K
I/O3
K
I/O2
K
I/O1
K
I/O0
K
I3
K
I2
K
I1
K
I0
Key matrix
8
×
6 = 48 keys
+
+
R
C
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