Cpu Interface; Cpu Interface Pin Mapping - Epson S5U13705B00C User Manual

4 CPU Interface

4.1 CPU Interface Pin Mapping

S1D13705
Generic #1
Pin Name
AB[16:1] A[16:1]
AB0 A0
DB[15:0] D[15:0]
CS#
BCLK BCLK
BS# Connect to VSS
RD/WR# RD1#
RD# RD0#
WE0# WE0#
WE1# WE1#
WAIT# WAIT#
RESET# RESET#
Note
S5U13705B00C Rev 2.0 PCI Evaluation Board
Rev. 3.1
Table 4-1: CPU Interface Pin Mapping
Generic #2
A[16:1]
A0
D[15:0]
External Decode
BCLK
Connect to IOVDD
Connect to IOVDD
RD#
WE#
BHE#
WAIT#
RESET#
1
If the target MC68K bus is 32-bit, then these signals should be connected to D[31:16].
Seiko Epson Corporation
Hitachi SH-3 Hitachi SH-4
A[16:1] A[16:1]
A0 A0
D[15:0] D[15:0]
CSn# CSn#
CKIO CKIO
BS# BS#
RD/WR# RD/WR#
RD# RD#
WE0# WE0#
WE1# WE1#
WAIT# RDY#
RESET# RESET#
CPU Interface
Motorola Motorola
MC68K #1 MC68K #2
A[16:1] A[16:1]
LDS#
D[15:0] D[15:0]
External Decode
CLK CLK
AS# AS#
R/W# R/W#
Connect to IOVDD SIZ1
Connect to IOVDD SIZ0
UDS# DS#
DTACK# DSACK1#
RESET# RESET#
A0
1
13