參數(shù)資料
型號: UPD17227GT
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 9/84頁
文件大?。?/td> 393K
代理商: UPD17227GT
μ
PD17225, 17226, 17227, 17228
9
Data Sheet U12643EJ2V0DS00
1.2
Input/Output Circuits
The equivalent input/output circuit for each
μ
PD17225 pin is shown below.
(1) P0A, P0B
V
DD
Input buffer
(2) P0C, P0D
Output
latch
data
N-ch
(3) P0E
V
DD
data
data
P-ch
P-ch
N-ch
V
DD
Input buffer
output
disable
Pull-up
register
Output
latch
Selector
(4) RESET
V
DD
Input buffer
(Mask option)
Schmitt trigger input with hysteresis
characteristics
(5) INT
Input buffer
Schmitt trigger input with hysteresis
characteristics
(6) REM
data
P-ch
N-ch
V
DD
output
disable
(7) WDOUT
data
N-ch
相關(guān)PDF資料
PDF描述
UPD17225GT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
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