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| 型號(hào)： | CL-PD6722 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | ISA-TOOPC-CARD HOST ADAPTERS |
| 中文描述： | ISA的TOOPC卡主機(jī)適配器 |
| 文件頁(yè)數(shù)： | 38/128頁(yè) |
| 文件大?。?/td> | 1591K |
| 代理商： | CL-PD6722 |
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PRELIMINARY DATA SHEET v3.1
CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
38
CHIP CONTROL REGISTERS
6.2
Interface Status
Bits 1:0 — Battery Voltage Detect
These bits are used by PC Card support software and firmware to indicate the amount of capacity
left in the battery in battery-backed cards in Memory Card Interface mode only. In I/O Card Inter-
face mode, bit 0 indicates the state of the BVD1/-STSCHG pin (see
page 19
). Bit 1 status should
be ignored in I/O Card Interface mode.
Bits 3:2 — Card Detect
These bits indicate the state of the -CD1 and -CD2 pins (see
page 18
).
Bit 4 — Write Protect
This bit indicates the state of the WP/-IOIS16 pin (see
page 17
) on the card and has meaning only
in Memory Card Interface mode.
a
Bit 7 is the inversion of the value of the -VPP_VALID pin (see
page 15
).
b
Bit 5 is the value of the RDY/-IREQ pin (see
page 17
).
c
Bit 4 is the value of the WP/-IOIS16 pin (see
page 17
).
d
Bits 3:2 are the inversion of the values of the -CD1 and -CD2 pins (see
page 18
).
e
Bits 1:0 are the values of the BVD1/-STSCHG and BVD2/-SPKR pins (see
page 18
).
Register Name:
Interface Status
Index:
01h
Bit
7
-VPP_VALID
Register Per: socket
Register Compatibility Type: 365
Bit
1
BVD2
Bit
6
Bit
5
RDY
Bit
4
WP
Bit
3
-CD2
Bit
2
-CD1
Bit
0
BVD1
V
PP
Valid
Card Power
On
Ready/Busy*
Write Protect
Card Detect
Battery Voltage Detect
R
a
R:0
R
b
R
c
R
d
R
e
BVD2 Input Level
BVD1 Input Level
Bit 1
Bit 0
PC Card Interpretation
Low
Low
High
High
Low
High
Low
High
0
0
1
1
0
1
0
1
Card data lost
Battery low warning
Card data lost
Battery/data okay
-CD2 Level
-CD1 Level
Bit 3
Bit 2
Card Detect Status
High
High
Low
Low
High
Low
High
Low
0
0
1
1
0
1
0
1
Either no card or card is not fully inserted
Card is not fully inserted
Card is not fully inserted
Card is fully inserted
0
1
Card is not write protected.
Card is write protected.
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PDF描述 |
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| CL-PS6700 | Low-Power PC Card Controller for the CL-PS7111 |
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| CL-PS7110-VC-A | Low-Power System-on-a-Chip |
| CL-PS7110-VI-A | Low-Power System-on-a-Chip |
| CL-PS7110 | Low-Power System-on-a-Chip |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CL-PD6722-VC-B | 制造商:Cirrus Logic 功能描述:ELECTRONIC COMPONENT |
| CL-PD6729-QC-C | 制造商:BASIS 功能描述: |
| CLPD6729QCE | 制造商:BASIS 功能描述: |
| CL-PD6729-QC-E | 制造商:CIRRUS LOGIC 功能描述: |
| CL-PD6730-QC-B79030-648AC | 制造商:CL 功能描述:CL-PD6730-QC-B79030- |
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