Motorola MBX Series User Manual

8xx/COMM Expansion Connectors
http://www.motorola.com/computer/literature 6-19
6
26 GND SCC2RTS A10 A11
27 SPICLK SCC2CTS A12 A13
28 SPIMOSI SCC2DCD A14 A15
29 SPIMISO SIZ0 A16 A17
30 SPISEL SIZ1 A18 A19
31 I2CSCL GND A20 A21
32 I2CSDA BI# A22 A23
33 BRCOMM# BDIP# A24 A25
34 BGCOMM# BURST# A26 A27
35 RD/WR# Reserved A28 A29
36 Reserved Reserved A30 A31
Table 6-11. 821/COMM Expansion Connector Pin Assignments
Pin Row A Row B Row C Row D
1 RETRY# TS# COMMINT# CLKOUT
2 GND GND CS# GND
3 TA# BB# Unused SPKROUT
4 GND AS# Unused HRESET#
5 TEA# GND D0 D1
6 GND L1TCLKb
(T4_C8)
D2 D3
7 LD3 B4_T4_C7 D4 D5
8 LD4 L1RCLKb
(T3_C6)
D6 D7
9 LD0 B3_T3_C5 D8 D9
Table 6-10. 860/COMM Expansion Connector Pin Assignments
Pin # Row A Row B Row C Row D

Motorola MBX Series Specifications

General

Brand	Motorola
Model	MBX Series
Category	Controller
Language	English