Renesas H8S/2633 Series Hardware Manual page 494

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Table of Contents

Port D • 8-bit I/O

Port E • 8-bit I/O

Port F • 8-bit I/O

PF3/LWR/ADTRG/

PF2/WAIT/BREQO

PF0/BREQ/IRQ2

Data bus input/output

In 8-bit-bus mode: I/O port

In 16-bit-bus mode: data bus input/output

When DDR = 0: input port

When DDR = 1 (after reset): ø output

RD, HWR, LWR outputs

ADTRG, IRQ3 input

When WAITE = 0 and BREQOE = 0 (after

reset): I/O port

When WAITE = 1 and BREQOE = 0: WAIT

When WAITE = 0 and BREQOE = 1: BREQO

When BRLE = 0 (after reset): I/O port

When BRLE = 1: BREQ input, BACK output

DDR = 0 (after

reset): input