H8SXSLASH1663M datasheet(664/1504 Pages) RENESAS

664 / 1504 page

Section 13 I/O Ports

Rev. 2.00 Sep. 24, 2008 Page 632 of 1468

REJ09B0412-0200

(5)

PB3/

CS3-A/CS7-A/CAS

The pin function is switched as shown below according to the combination of operating mode and

the EXPE bit, the bus controller register, the port function control register (PFCR), and the

PB3DDR bit settings.

Setting

Bus Controller

I/O Port

Module Name

Pin Function

CAS_OE

CS3A_OE

CS7A_OE

PB3DDR

CAS output*



CS3-A output*



Bus controller

CS7-A output*



PB3 output

I/O port

PB3 input

(initial value)

Note:

Valid in external extended mode (EXPE = 1)

(6)

PB2/

CS2-A/CS6-A/RAS

The pin function is switched as shown below according to the combination of operating mode and

the EXPE bit, the bus controller register, the port function control register (PFCR), and the

PB2DDR bit settings.

Setting

Bus Controller

I/O Port

Module Name

Pin Function

RAS_OE

CS2A_OE

CS6A_OE

PB2DDR

RAS output*



CS2-A output*



Bus controller

CS6-A output*



PB2 output

I/O port

PB2 input

(initial value)

Note:

Valid in external extended mode (EXPE = 1)

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