SCD1284 INTEL [Intel Corporation], SCD1284 Datasheet - Page 19

• Manufacturer Part Number: SCD1284
• Description: IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports
• Manufacturer: INTEL [Intel Corporation]

Datasheet
OUTEN
CLK
CLK/2
DB[15:0]
A[6:0]
R/W*
CS*
DS*
BYTESWAP
DTACK*
DMAREQ*
DMAACK*
SVCREQR*
SVCACKR*
SVCREQT*
SVCACKT*
SVCREQP*
SVCACKP*
SVCREQM*
SVCACKM*
DGRANT*
DPASS*
PD[7:0]
GP[7:0]
A_1284
HstBsy
HstClk
nInit
AkDaRq
PerBsy
PerClk
nDatAv
Xflag
EBDIR
PDBEN
TXD3
Pin Name
Type
OD
OD
OD
OD
I/O
AR
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
(Sheet 2 of 3)
Number
of Pins
IEEE 1284-Compatible Parallel Interface Controller — CD1284
16
1
1
1
7
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
8
1
1
1
1
1
1
1
1
1
1
1
1
92–99, 2–
Number
84–90
41–48
53–60
Pin
83
73
80
76
78
77
82
75
13
12
61
62
63
64
68
69
66
67
70
71
31
32
33
34
35
36
37
38
39
49
51
16
9
Reset
State
High
High
High
High
High
High
High
Low
Low
Low
n/a
TS
TS
TS
19