PD62A_15 Datasheet, PDF (9/64 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

µPD62A
1.2 Pin Input/Output Circuits
The input/output circuits of the µPD62A pins are shown in partially simplified forms below.
(1) KI/O0 to KI/O7
Data
Output
latch
Output
disable
VDD
P-ch
N-ch^Note
Input buffer
(4) S0
Input buffer
Standby
release
OFF mode
Pull-down flag
N-ch
Note The drive capability is held low.
(2) KI0 to KI3
Standby
release
Input buffer
N-ch
(5) S1/LED
REM
output latch
Output
disable
Standby
release
Pull-down flag
N-ch
Pull-down flag
VDD
P-ch
N-ch
Input buffer
N-ch
(3) REM
Data
Output
latch
Carrier
generator
VDD
P-ch
N-ch
(6) RESET
VDD
P-ch
Internal reset signal
other than POC
Input buffer
POC circuit
Mask option
N-ch
Data Sheet U14474EJ2V0DS00
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