Epson Research and Development
Page 13
Vancouver Design Center
S5U13704B00C Rev. 1.0 ISA Bus Evaluation Board User Manual
S1D13704
Issue Date: 01/02/12
X26A-G-005-03
5 Host Bus Interface Pin Mapping
Table 5-1: Host Bus Interface Pin Mapping
S1D13704
Pin Names
SH-3
SH-4
MC68K #1
MC68K #2
Generic Bus #1 Generic Bus #2
AB[15:1]
A[15:1]
A[15:1]
A[15:1]
A[15:1]
A[15:1]
A[15:1]
AB0
A0
A0
LDS#
A0
A0
A0
DB[15:0]
D[15:0]
D[15:0]
D[15:0]
D[15:0]
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
BCLK
BCLK
BCLK
BCLK
BS#
BS#
BS#
AS#
AS#
Connect to V
SS
Connect to IO
V
DD
RD/WR#
RD/WR#
RD/WR#
R/W#
R/W#
RD1#
Connect to IO
V
DD
RD#
RD#
RD#
Connect to IO
V
DD
SIZ1
RD0#
RD#
WE0#
WE0#
WE0#
Connect to IO
V
DD
SIZ0
WE0#
WE#
WAIT#
WAIT#
RDY#
DTACK#
DSACK1#
WAIT#
WAIT#
RESET#
RESET#
RESET#
RESET#
RESET#
RESET#
RESET#
*