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Epson Research and Development
Vancouver Design Center
S1D13505
S5U13505B00C Rev. 1.0 ISA Bus Evaluation Board User Manual
X23A-G-004-05
Issue Date: 01/02/05
5 Host Bus Interface Pin Mapping
Table 5-1: CPU Interface Pin Mapping
S1D13505
Pin Names
SH-3
SH-4
MC68K
Bus 1
MC68K
Bus 2
Generic
MIPS/ISA
PowerPC
PCMCIA
AB20
A20
A20
A20
A20
A20
LatchA20
A11
A20
AB[16:13]
A[19:13]
A[19:13]
A[19:13]
A[19:13]
A[19:13]
SA[19:13]
A[12:18]
A[19:13]
AB[12:1]
A[12:1]
A[12:1]
A[12:1]
A[12:1]
A[12:1]
SA[12:1]
A[19:30]
A[12:1]
AB0
A0
A0
LDS#
A0
A0
SA0
A31
A0
DB[15:0]
D[15:0]
D[15:0]
D[15:0]
D[31:16]
D[15:0]
SD[15:0]
D[0:15]
D[15:0]
WE1#
WE1#
WE1#
UDS#
DS#
WE1#
SBHE#
BI#
-CE2
M/R#
External Decode
CS#
External Decode
BUSCLK
CKIO
CKIO
CLK
CLK
BCLK
CLK
CLKOUT
CLKI
BS#
BS#
BS#
AS#
AS#
V
DD
V
DD
TS#
V
DD
RD/WR#
RD/WR#
RD/WR#
R/W#
R/W#
RD1#
V
DD
RD/WR#
-CE1
RD#
RD#
RD#
V
DD
SIZ1
RD0#
MEMR#
TSIZ0
-OE
WE0#
WE0#
WE0#
V
DD
SIZ0
WE0#
MEMW#
TSIZ1
-WE
WAIT#
WAIT#
RDY
DTACK#
DSACK1#
WAIT#
IOCHRDY
TA#
-WAIT
RESET#
RESET#
RESET#
RESET#
RESET#
RESET#
inverted
RESET
RESET#
inverted
RESET