參數(shù)資料
型號(hào): UPD6453
英文描述: UPD6453 Data Sheet | Data Sheet[11/1990]
中文描述: UPD6453數(shù)據(jù)表|數(shù)據(jù)表[一千九百九十〇分之一十一]
文件頁(yè)數(shù): 55/68頁(yè)
文件大小: 301K
代理商: UPD6453
55
μ
PD63, 63A, 64
13. 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 of the mask option 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
X
OUT
X
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
+
+
K
I/O6
K
I/O7
S
0
S
1
/LED
REM
V
DD
X
OUT
X
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
+
+
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