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參數(shù)資料
| 型號： | CL-PD6722 |
| 廠商： | Cirrus Logic, Inc. |
| 英文描述： | ISA-TOOPC-CARD HOST ADAPTERS |
| 中文描述： | ISA的TOOPC卡主機適配器 |
| 文件頁數(shù)： | 28/128頁 |
| 文件大小： | 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
28
INTRODUCTION
a
IOR*, IOW*, MEMR*, and MEMW* must be held high when PWRGOOD is low to prevent manufacturing test mode outputs
from driving the system data bus.
Table 3-1.
CL-PD67XX Power-Management Modes
Mode Name
PWRGOOD
Level
AEN
Misc Control 2 Register
Functionality
Typical Power
Consumption
(CORE_VDD =
3.3 V,
ISA_VCC,
SOCKET_VCC,
and +5V = 5.0 V)
Suspend
Mode
(Bit 2)
Low-Power
Dynamic
Mode
(Bit 1)
Low-Power
Dynamic
(Default)
High
Normal
0
1
Full functionality
< 45 mW high activity,
9–14 mW normal
system activity
Normal
High
Normal
0
0
Full functionality
< 85 mW high activity,
18 mW normal sys-
tem activity
Suspend
(Software
Controlled)
High
Normal
1
–
8-bit access to
Misc
Control 2
register.
No other register
access. No card in
socket(s).
< 2 mW
Super-Suspend
(Hardware
Controlled)
High
Static
High
1
–
No register access.
No card in socket(s).
System bus signals
disabled (clock off).
< 1 mW
Reset
Low
a
–
–
–
No register access.
No card in socket(s).
System bus signals
disabled.
9–14 mW
3.1.9
Socket Power Management Features
Card Removal
When a card is removed from a socket, the
CL-PD67XX by default automatically disables the
V
CC
and V
PP
supplies to the socket. If
Extension
Control 1
register bit 1 is ‘0’, card power is pre-
vented from being automatically disabled when a
card is removed. The CL-PD67XX can also be con-
figured to have management interrupts notify soft-
ware of card removal.
Card Insertion
Power to the socket is off at reset and whenever
there is no card in a socket. When a card is detected
(card detect input pins, -CD1 and -CD2, to the
CL-PD67XX become asserted low), two indepen-
dent actions can be programmed to occur.
If the CL-PD67XX has been set for automatic
power-on (
Power Control
register bits 4 and 5 are
both ‘1’), the CL-PD67XX automatically enables the
socket V
CC
supply (and, if so programmed, the V
PP
supply).
If the CL-PD67XX has been programmed to cause
management interrupts for card-detection events,
assertion of -CD1 and -CD2 to the CL-PD67XX
causes a management interrupt to inform system
software that a card was inserted. In the case of
manual power detection (
Power Control
register bit
5 is ‘0’), system software can determine the card’s
operating voltage range and then power-up the
socket and initialize the card (or simply initialize the
card if programmed for automatic power-on (
Power
Control
register bit 5 is ‘1’ and
Extension Control
1
register bit 1 is ‘1’)).
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|---|---|
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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 |
相關代理商/技術參數(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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