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SMC032AF bảng dữ liệu(PDF) 16 Page - Numonyx B.V

tên linh kiện SMC032AF
Giải thích chi tiết về linh kiện  32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash??card
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Electrical interface
SMCxxxAF
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Table 9.
Signal description
Signal name
Direction
Pin
Description
A10 to A0
(PC card memory mode)
I
8,10,11,12,
14,15,16,17,
18,19,20
Used (with –REG) to select: the I/O Port Address
registers, the memory mapped Port Address registers, a
byte in the card's information structure and its
Configuration Control and Status registers.
A10 to A0
(PC card I/O mode)
Same as PC card memory mode.
A2 to A0
(True IDE mode)
Only A2 to A0 are used to select the one of eight registers
in the task file, the remaining lines should be grounded.
BVD1
(PC card memory mode)
I/O
46
The battery voltage status of the card, as no battery is
required it is asserted High.
–STSCHG
(PC card I/O mode)
Alerts the host to changes in the READY and Write
Protect states. Its use is controlled by the Card
Configuration and Status register.
–PDIAG
(True IDE mode)
The Pass Diagnostic signal in the master/slave handshake
protocol.
BVD2
(PC card memory mode)
I/O
45
The battery voltage status of the card, as no battery is
required it is asserted High.
–SPKR
(PC card I/O mode)
The binary audio output from the card. It is asserted High
as audio functions are not supported.
–DASP
(True IDE mode)
This input/output is the disk active/slave present signal in
the master/slave handshake protocol.
D15-D00
(PC card memory mode)
I/O
31,30,29,28,
27,49,48,47,
6,5,4,3,2,
23,22,21
Carry the data, commands and status information
between the host and the controller. D00 is the LSB of the
even byte of the word. D08 is the LSB of the odd byte of
the word.
D15-D00
(PC card I/O mode)
Same as PC card memory mode.
D15-D00
(True IDE mode)
All task file operations occur in byte mode on D00 to D07
while all data transfers are 16 bit using D00 to D15.
GND
(PC card memory mode)
1,50
Ground.
GND
(PC card I/O mode)
Same for all modes.
GND
(True IDE mode)
Same for all modes.
–INPACK
(PC card memory mode)
O43
Not used, should not be connected to the host.
–INPACK
(PC card I/O mode)
The Input Acknowledge is asserted when the Card is
selected and responding to an I/O read cycle at the
current address on the bus. It is used by the host to control
the enable of any input data buffers between the Card and
CPU.
Reserved
(True IDE mode)
Not used, should not be connected to the host.



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