SH7619 datasheet(49/836 Pages) RENESAS

49 / 836 page

Section 1 Overview

Rev. 5.00 Mar. 15, 2007 Page 11 of 794

REJ09B0237-0500

Classifi-

cation

Abbr.

I/O

Pin Name

Description

Bus

control

DQMUL

Output Second Byte

Select

Selects bits 23 to 16 of SDRAM data bus.

DQMLU

Output Third Byte

Select

Selects bits 15 to 8 of SDRAM data bus.

DQMLL

Output Least

Significant

Byte Select

Selects bits 7 to 0 of SDRAM data bus.

CE1A

Output PCMCIA Card

Select Lower

Side

Chip enable for PCMCIA allocated to area 5

CE1B

Output PCMCIA Card

Select Lower

Side

Chip enable for PCMCIA allocated to area 6

CE2A

Output PCMCIA Card

Select Upper

Side

Chip enable for PCMCIA allocated to area 5

CE2B

Output PCMCIA Card

Select Upper

Side

Chip enable for PCMCIA allocated to area 6

ICIOWR

Output PCMCIA I/O

Write Strobe

Connects to the PCMCIA I/O write strobe pin.

ICIORD

Output PCMCIA I/O

Read Strobe

Connects to the PCMCIA I/O read strobe pin.

Output PCMCIA

Memory Write

Strobe

Connects to the PCMCIA memory write strobe.

IOIS16

Input

PCMCIA

Dynamic Bus

Sizing

In little endian mode, this signal indicates 16-bit bus width of

PCMCIA. In big endian mode, fix this pin low.

CRS

Input

Carrier Sense Carrier sense pin

Ethernet

controller

COL

Input

Collision

Collision detect pin

MII_TXD3 to

MII_TXD0

Output Transmit Data 4-bit transmit data pins

TX_EN

Output Transmit

Enable

Indicates that transmit data is on pins MII_TXD3 to

MII_TXD0.

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