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參數(shù)資料
| 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 |
| 文件頁數(shù)： | 41/128頁 |
| 文件大?。?/td> | 1591K |
| 代理商： | CL-PD6722 |
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CL-PD6710/’22
ISA–to–PC-Card Host Adapters
May 1997
41
PRELIMINARY DATA SHEET v3.1
CHIP CONTROL REGISTERS
Bits 1:0 — V
PP
1 Power
These bits are intended to be used to control the power to the V
PP
1 pin of the PC Card.
Bit 4 — V
CC
Power
Depending on the value of bit 5 below, setting this bit to ‘1’ will cause power to be applied to the
card. The V
CC
3.3V bit (see
page 58
) determines whether 3.3V or 5V power is applied.
Bit 5 — Auto-Power
When this bit is set to ‘1’, the CL-PD67XX causes power to the card to be turned on and off
automatically with the insertion and removal of a PC card from the socket.
Bit 7 — Card Enable
When this bit is ‘1’, the outputs to the PC Card are enabled if a card is present and card power is
being supplied. The pins affected include: -CE2, -CE1, -IORD, -IOWR, -OE, -REG, RESET,
A[25:0], D[15:0], and -WE (see
page 17
).
a
Under conditions where V
PP
1 power is activated. See
Table 6.3
.
Bit Name
V
CC
Power
Auto-Power
Card Enable
Value
1
1
1
Description
Enables V
CC
to level described by V
CC
3.3V (see
page 58
)
Enables Auto-power mode
Enables socket output drivers
V
PP
1 Power
Bit 1 Bit 0
VPP_PGM
VPP_VCC
PC Card Intended Socket Function
0
0
1
1
0
1
0
1
Inactive low
Inactive low
Active high
a
Inactive low
Inactive low
Active high
a
Inactive low
Inactive low
Zero volts to PC Card socket V
PP
1 pin
Selected card V
CC
to PC Card socket V
PP
1 pin
+12V to PC Card socket V
PP
1 pin
Zero volts to PC Card socket V
PP
1 pin
0
Power is not applied to the card: the -VCC_3 and -VCC_5 socket power control pins are inactive
high.
Power is applied to the card: if bit 5 is ‘0’, or bit 5 is ‘1’ and -CD2 and -CD1 are active low, then the
selected -VCC_3 or -VCC_5 socket power control pin is active low.
1
0
V
CC
and V
PP
1 power control signals are activated independent of the socket’s -CD2 and -CD1
input levels.
V
CC
and V
PP
1 power control signals are only activated if the socket’s -CD2 and -CD1 inputs are
active low.
1
0
1
Outputs to card socket are not enabled and are floating.
Outputs to card socket are enabled if -CD1 and -CD2 are active low and bit 4 is ‘1’.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CL-PS6700 | Low-Power PC Card Controller for the CL-PS7111 |
| CL-PS6700-VC-A | Low-Power PC Card Controller for the CL-PS7111 |
| 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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