Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.

Installation Instructions

FIGURE 3-6 P4 - Host I/F Connector

GND

1

2

GND

 

 

HD0

3

4

HD1

 

 

HD2

5

6

HD3

 

 

HD4

7

8

HD5

 

 

HD6

9

10

HD7

HD8

11

12

HD9

HD10

13

14

HD11

HD12

15

16

HD13

HD14

17

18

HD15

GND

19

20

GND

HA0

21

22

HA1

HA2

23

24

HA3

HCS1

25

26

HCS2

HRRQACK

27

28

HREQ

HRDRW

29

30

HDS

HRESET

31

32

PORST

 

3.3V

33

34

N.C.

GND

35

36

GND

3•7 Terminal to MSC8101ADS RS-232 Connection

A serial (RS232) terminal or any other RS232 equipment, may be connected to both connectors P27/A-B (Upper and Lower). This connectors are a 9 pin, female, D-type connectors, arranged in a stacked configuration. P27A connected to SCC1 of the MSC8101 is the lower and P27B, connected to SMC1 of the MSC8101, is the upper in the stack.

The connectors are arranged in a manner that allows for 1:1 connection with the serial port of an IBM-ATAor compatibles, i.e. via a flat cable. The pinout which is not identical - P27A supports DTE to DCE connection unlike it the P27B supports Null Modem connection (DTE to DTE). The difference is shown in FIGURE 3-7and FIGURE 3-8.

A. IBM-AT is a trademark of International Business Machines Inc.

MOTOROLA

MSC8101ADS RevB User’s Manual

23

For More Information On This Product,

Go to: www.freescale.com

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Nortel Networks MSC8101 ADS user manual Terminal to MSC8101ADS RS-232 Connection, P4 Host I/F Connector