參數(shù)資料
型號: SPD6729QCE
廠商: INTEL CORP
元件分類: 總線控制器
英文描述: PCMCIA BUS CONTROLLER, PQFP208
封裝: MQFP-208
文件頁數(shù): 64/116頁
文件大小: 1442K
代理商: SPD6729QCE
PCI-to-PC Card (PCMCIA) Controller — PD6729
Datasheet
51
Bits 1-0: VPP1 Power
These bits control the power to the VPP1 pin of the PCMCIA card.
Table 8.
Enabling of Socket Power Controls
RST# Level
Both -CD1
and -CD2 are
Active (Low)
Power Control
Register
Interface Status
Register
(see page 49)
-VCC_3
and
-VCC_5
Levels
VPP_PGM
and
VPP_VCC
Levels
VCC Power
(Bit 4)
Auto- Power
(Bit 5)
Card Power On
(Bit 6)
Low
X
0
Inactive (high)
Inactive (low)
High
X
0
X
0
Inactive (high)
Inactive (low)
High
X
1
0
1
Activated per Misc
Control 1 register,
bit 1
Activated per
Power Control
register,
bits 1 and 0
High
No
1
0
Inactive (high)
Inactive (low)
High
Yes
1
Activated per Misc
Control 1 register,
bit 1
Activated per
Power Control
register,
bits 1 and 0
Table 9.
Enabling of Output Signals to Socket
RST# Level
Both -CD1 and
-CD2 are Active
(Low)
Power Control Register
PD6729 Output
Signals to Socket
VCC Power (Bit 4)
Card Enable
(Bit 7)
Low
X
High impedance
High
No
X
High impedance
High
Yes
0
High impedance
High
Yes
0
1
Enabled
High
Yes
1
0
High impedance
High
Yes
1
Enabled
Bit 1
Bit 0
VPP_PGM
VPP_VCC
PCMCIA Intended Socket Function
0
Inactive (low)
Zero volts to PCMCIA socket VPP1 pin
0
1
Inactive (low)
Active (high) 1
Selected card VCC to PCMCIA socket VPP1 pin
1
0
Active (high) 1
Inactive (low)
+12V to PCMCIA socket VPP1 pin
1
Inactive (low)
Zero volts to PCMCIA socket VPP1 pin
NOTE:
1. Under conditions where VPP1 power is activated. See Table 8.
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