參數(shù)資料
型號: CD1284
廠商: Intel Corp.
英文描述: IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports
中文描述: 符合IEEE 1284兼容并行接口控制器兩個高速異步串行端口
文件頁數(shù): 18/176頁
文件大?。?/td> 2255K
代理商: CD1284
CD1284
IEEE 1284-Compatible Parallel Interface Controller
18
Datasheet
3.2
Pin List
The following conventions are used in the pin-description 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
)
AR
indicates active release (pin drives to
1
and releases to
OD
)
TS
indicates tristate
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_128
4
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
Number
Reset
State
(Sheet 1 of 3)
5V
5
11, 50, 65,
81, 100
GND
7
1,10, 30,
40, 52, 72,
91
RESET*
I
1
79
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