參數(shù)資料
型號: CD1283
廠商: Intel Corp.
英文描述: IEEE 1284-Compatible Parallel Interface
中文描述: 符合IEEE 1284兼容并行接口
文件頁數(shù): 14/94頁
文件大?。?/td> 1237K
代理商: CD1283
CD1283
IEEE 1284-Compatible Parallel Interface
14
Datasheet
3.2
Pin List
The following naming conventions are used in the pin-assignment tables:
(*) after a name indicates that the signal is active-low
I
indicates the pin is input-only
O
indicates the pin is output-only
I/O
indicates the pin is bidirectional
OD
indicates an open-drain output that the user must tie to V
CC
through a pull-up resistor
(usually about 1 k
)
TS
indicates tristate
PU
indicates pull-up, which must also be tied to V
CC
through a 1-k
resistor (note that all
six PU pins can be wire-OR
ed through the same pull-up resistor)
AR
indicates active release (pin drives high and releases to OD)
a
‘–’
indicates ascending pin numbers
a
:
indicates descending pin numbers
Pin
Names
Compati-
bility
Reverse
Nibble
Mode
Reverse
Byte
Mode
ECP Mode
EPP
Mode
Inputs
A_1284
SLCTIN*
A_1284
A_1284
A_1284
nAStrb
HstBsy
AUTOFD*
HstBsy
HstBsy
HstAck
nDStrb
HstClk
STROBE*
HstClk
HstClk
HstClk
nWrite
nInit
INIT*
nInit
nInit
nRevReq
nInit
Outputs
AkDaR
q
PError
AkDaRq
AkDaRq
nAkRev
USER1
PerBsy
BUSY
PerBsy
PerBsy
PerAck
nWait
PerClk
ACK*
PerClk
PerClk
PerClk
Intr
nDatAv
FAULT*
nDatAv
nDatAv
nPerReq
USER2
XFlag
SELECT
XFlag
XFlag
XFlag
USER3
Pin Name
Type
Number
of Pins
Pin
Numbers
Reset
State
A[6:0]
I
7
84
90
BYTESWAP
I
1
82
CLK
I
1
73
CLK/2
O
1
80
n/a
CS*
I
1
78
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