SH7750_08 Datasheet, PDF (111/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 1 Overview
Pin
No. Pin Name I/O
Function
Reset
Memory Interface
SRAM DRAM SDRAM PCMCIA MPX
86
DRAK0
O
DMAC0 request
acknowledge
87
VDDQ
Power IO VDD (3.3 V)
88
VSSQ
Power IO GND (0 V)
89
CS3
O
Chip select 3
CS3 (CS3) CS3
CS3
90
CS2
O
Chip select 2
CS2 (CS2) CS2
CS2
91
VDD
Power Internal VDD
92
VSS
Power Internal GND
(0 V)
93
RAS
O
94
RD/CASS/ O
FRAME
RAS
Read/CAS/
FRAME
RAS RAS
OE
CAS OE
FRAME
95
RD/WR
O
96
WE2/CAS2/ O
DQM2/
ICIORD
Read/write
D23–D16 select
signal
RD/WR RD/WR RD/WR RD/WR RD/WR
WE2 CAS2 DQM2 ICIORD
97
WE3/CAS3/ O
DQM3/
ICIOWR
D31–D24 select
signal
WE3 CAS3 DQM3 ICIOWR
98
WE6/CAS6/ O
DQM6
D55–D48 select
signal
WE6 CAS6 DQM6
99
VDDQ
Power IO VDD (3.3 V)
100 VSSQ
Power IO GND (0 V)
101 WE7/CAS7/ O
DQM7/REG
D63–D56 select
signal
WE7 CAS7 DQM7 REG
102 D23
I/O
Data
A23
103 D24
I/O
Data
A24
104 D22
I/O
Data
A22
105 RXD
I
SCI Data input
106 DREQ0
I
107 DREQ1
I
Request from
DMAC0
Request from
DMAC1
108 D25
I/O
Data
A25
109 D21
I/O
Data
A21
110 D26
I/O
Data
111 D20
I/O
Data
A20
Rev.7.00 Oct. 10, 2008 Page 27 of 1074
REJ09B0366-0700