W83627DHG Datasheet, PDF(157/268 Page) Winbond – WINBOND LPC I/O

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W83627DHG Datasheet, PDF (157/268 Pages) Winbond – WINBOND LPC I/O

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W83627DHG

12. PARALLEL PORT

12.1 Printer Interface Logic

The W83627DHG parallel port can be attached to devices that accept eight bits of parallel data at

standard TTL level. The W83627DHG supports the IBM XT/AT compatible parallel port (SPP), the

bi-directional parallel port (BPP), the Enhanced Parallel Port (EPP), and the Extended Capabilities

Parallel Port (ECP) on the parallel port.

The following tables show the pin definitions for different modes of the parallel port.

HOST

CONNECTOR

1

2-9

10

11

12

13

14

15

16

17

PIN NUMBER

OF

W83627DHG

36

31-26, 24-23

22

21

19

18

35

34

33

32

PIN

ATTRIBUTE

O

I/O

I

I

I

I

O

I

O

O

SPP

nSTB

PD<0:7>

nACK

BUSY

PE

SLCT

nAFD

nERR

nINIT

nSLIN

EPP

ECP

nWrite

PD<0:7>

Intr

nWait

PE

Select

nDStrb

nError

nInit

nAStrb

nSTB, HostClk2

PD<0:7>

nACK, PeriphClk2

BUSY, PeriphAck2

PEerror, nAckReverse2

SLCT, Xflag2

nAFD, HostAck2

nFault1, nPeriphRequest2

nINIT1, nReverseRqst2

nSLIN1 , ECPMode2

Notes:

n<name > : Active Low

1. Compatible Mode

2. High Speed Mode

3. For more information, please refer to the IEEE 1284 standard.

HOST CONNECTOR

1

2

3

4

5

6

7

8

9

10

11

PIN NUMBER OF W83627DHG

36

31

30

29

28

27

26

24

23

22

21

PIN ATTRIBUTE

O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I

I

SPP

nSTB

PD0

PD1

PD2

PD3

PD4

PD5

PD6

PD7

nACK

BUSY

-145-

Publication Release Date: Aug, 22, 2007

Version 1.4

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