H8SXSLASH1663R datasheet(662/1504 Pages) RENESAS

tên linh kiện	H8SX/1663R

Giải thích chi tiết về linh kiện	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

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Section 13 I/O Ports

Rev. 2.00 Sep. 24, 2008 Page 630 of 1468

REJ09B0412-0200

13.2.7

Port B

(1)

PB7/SD

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

the EXPE bit, the port function control register (PFCR), and the PB7DDR bit settings.

Setting

MCU Operating Mode

I/O Port

Module Name

Pin Function

SDRAM Mode

PB7DDR

Clock pulse

generator

φ output*



I/O port

PB7 output

PB7 input

(initial value)

Note:

Valid in SDRAM mode

(2)

PB6/

CS6-D/(RD/WR-B)/ADTRG0-B

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

PB6DDR bit settings.

Setting

I/O Port

Module Name

Pin Function

Byte control

SRAM

Selection

(RD/

WR-B)_OE

CS6D_OE

PB6DDR



RD/

WR-B output*



Bus controller

CS6-D output*



PB6 output

I/O port

PB6 input

(initial value)

Note:

Valid in external extended mode (EXPE = 1)

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