H8SLASH3003 datasheet(270/715 Pages) RENESAS

270 / 715 page

9.4.3 Pin Functions

The port 6 pins are also used for

BACK output and BREQ and WAIT input. Table 9-7 describes

the selection of pin functions.

Table 9-7 Port 6 Pin Functions

Pin Functions and Selection Method

P62/BACK

Bit BRLE in BRCR and bit P62DDR select the pin function as follows

BRLE

P62DDR

—

Pin function

P62 input

P62 output

BACK output

P61/BREQ

Bit BRLE in BRCR and bit P61DDR select the pin function as follows

BRLE

P61DDR

—

Pin function

P61 input

P61 output

BREQ input

P60/WAIT

Bits WCE7 to WCE0 in WCER, bit WMS1 in WCR, and bit P60DDR select the

pin function as follows

WCER

All 1s

Not all 1s

WMS1

—

P60DDR

Pin function

P60 input

P60 output

WAIT input

Note: * Do not set bit P60DDR to 1.

9.5 Port 7

9.5.1 Overview

Port 7 is an 8-bit input port that is also used for analog input to the A/D converter. Port 7 has the

same set of pin functions in all operating modes. Figure 9-8 shows the pin configuration of port 7.

252

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