Epson S5U13706B00C, User Manual

Page: 13 / 33

CPU Interface
S5U13706B00C Rev. 1.0 Evaluation Board
Seiko Epson Corporation 13
Rev. 5.1
4 CPU Interface
4.1 CPU Interface Pin Mapping
Note
1
A0 for these busses is not used internally by the S1D13706.
2
If the target MC68K bus is 32-bit, then these signals should be connected to D[31:16].
3
These pins are not used in their corresponding Host Bus Interface mode. Systems are
responsible for externally connecting them to the host interface IO V
DD
.
Table 4-1: CPU Interface Pin Mapping
S1D13706
Pin Name
Generic #1 Generic #2
Hitachi
SH-3 /SH-4
Motorola
MC68K #1
Motorola
MC68K #2
Motorola
REDCAP2
Motorola
MC68EZ328/
MC68VZ328
DragonBall
AB[16:1] A[16:1] A[16:1] A[16:1] A[16:1] A[16:1] A[16:1] A[16:1]
AB0 A0
1
A0 A0
1
LDS# A0 A0
1
A0
1
DB[15:0] D[15:0] D[15:0] D[15:0] D[15:0] D[15:0]
2
D[15:0] D[15:0]
CS# External Decode CSn# External Decode CSn# CSA#
M/R# External Decode
CLKI BUSCLK BUSCLK CKIO CLK CLK CLK CLK
BS# Connected to V
DD
3
BS# AS# AS# Connected to V
DD
3
RD/WR# RD1#
Connected to
V
DD
3
RD/WR# R/W# R/W# R/W#
Connected to
V
DD
3
RD# RD0# RD# RD#
Connected to
V
DD
3
SIZ1 OE# OE#
WE0# WE0# WE# WE0#
Connected to
V
DD
3
SIZ0 EB1# LWE#
WE1# WE1# BHE# WE1# UDS# DS# EB0# UWE#
WAIT# WAIT# WAIT#
WAIT#/
RDY#
DTACK# DSACK1# N/A DTACK#
RESET# RESET# RESET# RESET# RESET# RESET# RESET# RESET#