PD17225_15 Datasheet, PDF (11/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

µPD17225, 17226, 17227, 17228
1.2 Input/Output Circuits
The equivalent input/output circuit for each µPD17225 pin is shown below.
(1) P0A, P0B
(4) RESET
V DD
Input buffer
V DD
(Mask option)
(2) P0C, P0D
data
Output
latch
(3) P0E
data
Pull-up
register
data
Output
latch
output
disable
Selector
Input buffer
Schmitt trigger input with hysteresis
N-ch
characteristics
(5) INT
V DD
P-ch
V DD
P-ch
N-ch
Input buffer
Input buffer
Schmitt trigger input with hysteresis
characteristics
(6) REM
data
output
disable
V DD
P-ch
N-ch
(7) WDOUT
data
N-ch
Data Sheet U12643EJ2V0DS00
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