參數(shù)資料
型號: UPD6127CS
英文描述: Remote-Control Transmitter/Encoder
中文描述: 遠程控制發(fā)射機/編碼器
文件頁數(shù): 10/36頁
文件大小: 252K
代理商: UPD6127CS
μ
PD61P24
10
11.3
K
I
Pin (P
12
)
This is the 4-bit pin for key input. All of these pins are pulled down to the V
SS
level by PLA data.
Figure 11-2. K
I
Pin Organization
K
I3
K
I2
K
I1
K
I0
P
2
11.4
K
I
Pull-Down Resistor Configuration
V
DD
V
SS
N-ch
V
SS
Pin
Input signal
PLA K
pull-down
resistor switch
Pull-down
resistor
P-ch
When the pull-down resistor switch is turned on (set 1) by PLA data, pull-down resistor R is turned on.
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