參數(shù)資料
型號(hào)： VT83C469
廠商： Electronic Theatre Controls, Inc.
英文描述： PCMCIA Socket Controller
中文描述： PCMCIA插槽控制器
文件頁(yè)數(shù)： 10/36頁(yè)
文件大小： 156K
代理商： VT83C469
VIA Technologies, Inc.
Preliminary
VT83C469
10
Interface Status Register ( Read Only )
Address
: Index ( Base + 01h )
B
IT
F
UNCTION
D7
D6
Reserved
PC Card Power Active
0: Power to the socket is off ( Vcc and Vpp1 are no connection).
1: Power to the socket is on ( Vcc is set according to bit 1 in Miscellaneous Control 1 register and
DET_5 pin, Vpp1 is set according to bit 1:0 in the power control register).
Ready/Busy#
0: PC Card is busy.
1: PC Card is ready.
Memory Write Protect.
Bit value is the logic level of the WP signal on the memory PC Card interface.
0: PC Card is not write protected.
1: PC Card is write protected.
Card Detect 2
Together with card detect 1 indicates a card is present at the socket and fully seated.
0: CD2# signal on the PC Card interface is inactive.
1: CD2# signal on the PC Cars interface is active.
Card Detect 1
Together with card detect 2 indicates a card is present at the socket and fully seated.
0: CD1# signal on the PC Card interface is inactive.
1: CD1# signal on the PC Cars interface is active.
Battery Voltage Detect 2 and 1.
BVD1 BVD2 Status
0 0 battery dead
0 1 battery dead
1 0 warning
1 1 battery good
For I/O PC Cards, bit 0 indicates the current status of the (STSCHG/RI#) signal from the PC Card
when the ring indicate enable bit in the Interrupt and General control register is set to 0.
D5
D4
D3
D2
D[1:0]
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