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SH7721 Datasheet(PDF) 1027 Page - Renesas Technology Corp

Part # SH7721
Description  Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
PDF  1524 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7721 Datasheet(HTML) 1027 Page - Renesas Technology Corp

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Section 29
PC Card Controller (PCC)
Rev. 3.00 Jan. 18, 2008 Page 965 of 1458
REJ09B0033-0300
Bit
Bit Name
Initial Value R/W
Description
2
P0CD1
Undefined*
R
PCC0 Card Detect 1
The value of
CD1 pin of the PC card connected to area
6 is read. This bit cannot be written to.
0: The value of
CD1 pin of the PC card connected to
area 6 is 0
1: The value of
CD1 pin of the PC card connected to
area 6 is 1
1
P0BVD2/
P0SPKR
Undefined*
R
0
P0BVD1/
P0STSCHG
Undefined*
R
PCC0 Battery Voltage Detect 2 and 1
The values of BVD1 and BVD2 pin of the PC card
connected to area 6 are read when the IC memory card
interface is connected. The values of
STSCHG and
SPKR pin of the PC card connected to area 6 are read
when the I/O card interface is connected. These bits
cannot be written to.
(1) The following applies to the IC memory interface.
11: The battery voltage of the PC card connected to
area 6 is normal (Battery Good)
01: The battery must be changed although data is
guaranteed for the PC card connected to area 6
(Battery Warning)
x0: The battery voltage is abnormal and data is not
guaranteed for the PC card connected to area 6
(Battery Dead)
(2) The values of bits 1 and 0 for the I/O card interface
are as follows:
0: The value of
STSCHG or SPKR of the PC card
connected to area 6 is 0
1: The value of
STSCHG or SPKR of the PC card
connected to area 6 is 1
Note:
*
Differs depending on the state of the PC card.



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