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| HD6413003RF Datasheet, PDF (256/715 Pages) Renesas Technology Corp – Microcontroller (MCU) | |||
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Table 9-1 Port Functions
Port
Port 4
Description
8-bit I/O port
Input pull-up
Pins
P47 to P40/D7 to D0
Port 5
Port 6
4-bit I/O port
Input pull-up
Can drive LEDs
3-bit I/O port
Port 7 8-bit input port
Port 8 5-bit I/O port
P82 to P80 have
Schmitt inputs
Port 9 6-bit I/O port
P57 to P54/A23 to A20
P62/BACK
P61/BREQ
P60/WAIT
P77 to P70/AN7 to AN0
P84/CS0
P83/CS1/IRQ3
P82/CS2/IRQ2
P81/CS3/IRQ1
P80/RFSH/IRQ0
P95/SCK1/IRQ5
P94/SCK0/IRQ4
P93/RxD1
P92/RxD0
P91/TxD1
P90/TxD0
Mode 1 Mode 2 Mode 3 Mode 4
Data bus (D7 to D0) and 8-bit generic
input/output
8-bit bus mode: generic input/output
16-bit bus mode: data bus
Generic input/
output
Address output
Bus control signal input/output (BACK,
BREQ, WAIT) and 3-bit generic
input/output
Analog input (AN7 to AN0) to A/D
converter, and 8-bit generic input
DDR = 0: generic input
DDR = 1 (reset value): CS0 output
IRQ3 to IRQ1 input, CS1 to CS3 output,
and generic input
DDR = 0 (reset value): generic input
DDR = 1: CS1 to CS3 output
IRQ0 input, RFSH output, and generic
input/output
Input and output (SCK1, SCK0, RxD1,
RxD0, TxD1, TxD0) for serial
communication interfaces 1 and 0
(SCI1/0), IRQ5 and IRQ4 input, and
6-bit generic input/output
238
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