SH7750_08 Datasheet, PDF (455/1162 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Section 13 Bus State Controller (BSC)
IC Memory Card Interface
I/O Card Interface
Signal
Pin Name
I/O Function
Signal
Name
I/O Function
Corresponding
LSI Pin
56 A25
I Address
A25
I Address
A25
57 RFU
Reserved
RFU
Reserved
—
58 RESET
59 WAIT
60 RFU
61 REG
62 BVD2
63 BVD1
I Reset
RESET I Reset
Output from port
O Wait request
WAIT
O Wait request
RDY*²
Reserved
INPACK O Input acknowledge —
I Attribute memory REG
space select
I Attribute memory WE7
space select
O Battery voltage
detection
SPKR
O Digital speech
signal
Sensed on port
O Battery voltage
detection
STSCHG O Card status
change
Sensed on port
64 D8
I/O Data
D8
I/O Data
D8
65 D9
I/O Data
D9
I/O Data
D9
66 D10
67 CD2
I/O Data
O Card detection
D10
CD2
I/O Data
O Card detection
D10
Sensed on port
68 GND
Ground
GND
Ground
—
Note: 1. WP is not supported.
2. Input an external wait request with correct polarity.
Rev.7.00 Oct. 10, 2008 Page 371 of 1074
REJ09B0366-0700