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Epson Research and Development

 

Vancouver Design Center

 

 

5.3 Summary of Configuration Options

Table 5-1: Summary of Power On/Reset Options

Configuration

 

 

 

Power On/Reset State

Pin

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Select host bus interface as follows:

 

 

 

 

CNF3

CNF2

CNF1

CNF0

BS#

Host Bus

 

1

0

0

0

X

SH-4 interface Big Endian

 

0

0

0

0

X

SH-4 interface Little Endian

 

1

0

0

1

X

SH-3 interface Big Endian

 

0

0

0

1

X

SH-3 interface Little Endian

 

X

0

1

0

X

reserved

 

1

0

1

1

X

MC68K #1, 16-bit Big Endian

CNF[3:0]

0

0

1

1

X

reserved

X

1

0

0

X

reserved

 

 

1

1

0

1

X

MC68K #2, 16-bit Big Endian

 

0

1

0

1

X

reserved

 

X

1

1

0

0

reserved

 

X

1

1

0

1

reserved

 

1

1

1

1

0

Generic #1, 16-bit Big Endian

 

0

1

1

1

0

Generic #1, 16-bit Little Endian

 

1

1

1

1

1

reserved

 

0

1

1

1

1

Generic #2, 16-bit Little Endian

 

 

 

 

 

 

 

5.4 Host Bus Interface Pin Mapping

Table 5-2: Host Bus Interface Pin Mapping

S1D13705

SH-3

SH-4

MC68K #1

MC68K #2

Generic #1

Generic #2

Pin Names

 

 

 

 

 

 

 

 

 

 

 

 

 

AB[16:1]

A[16:1]

A[16:1]

A[16:1]

A[16:1]

A[16:1]

A[16:1]

 

 

 

 

 

 

 

AB0

A0

A0

LDS#

A0

A0

A0

 

 

 

 

 

 

 

DB[15:0]

D[15:0]

D[15:0]

D[15:0]

D[31:16]

D[15:0]

D[15:0]

 

 

 

 

 

 

 

WE1#

WE1#

WE1#

UDS#

DS#

WE1#

BHE#

 

 

 

 

 

 

 

CS#

CSn#

CSn#

External Decode

External Decode

External Decode

External Decode

 

 

 

 

 

 

 

BCLK

CKIO

CKIO

CLK

CLK

BCLK

BCLK

 

 

 

 

 

 

 

BS#

BS#

BS#

AS#

AS#

connect to VSS

connect to IO VDD

 

 

 

 

 

 

 

RD/WR#

RD/WR#

RD/WR#

R/W#

R/W#

RD1#

connect to IO VDD

 

 

 

 

 

 

 

RD#

RD#

RD#

connect to IO VDD

SIZ1

RD0#

RD#

 

 

 

 

 

 

 

WE0#

WE0#

WE0#

connect to IO VDD

SIZ0

WE0#

WE#

 

 

 

 

 

 

 

WAIT#

WAIT#

RDY#

DTACK#

DSACK1#

WAIT#

WAIT#

 

 

 

 

 

 

 

RESET#

RESET#

RESET#

RESET#

RESET#

RESET#

RESET#

 

 

 

 

 

 

 

S1D13705

Hardware Functional Specification

X27A-A-001-10

Issue Date: 02/02/01

Page 28
Image 28
Epson S1D13705 Summary of Configuration Options, Host Bus Interface Pin Mapping, Summary of Power On/Reset Options