Reference Manual

PMAC Mini PCI Hardware Reference Manual

32 Connector Pinouts

CONNECTOR PINOUTS

Headers

J1 JDISP (14-Pin Header)

Front View

Pin # Symbol Function Description Notes

1 Vdd Output +5V Power Power Supply Out

2 Vss Common PMAC Common

3 Rs Output Read Strobe TTL Signal Out

4 Vee Output Contrast Adjust. VEE 0 to +5VDC *

5 E Output Display Enable High is Enable

6 R/W Output Read or Write TTL Signal Out

7 DB1 Output Display Data 1

8 DB0 Output Display Data 0

9 DB3 Output Display Data 3

10 DB2 Output Display Data 2

11 DB5 Output Display Data 5

12 DB4 Output Display Data 4

13 DB7 Output Display Data 7

14 DB6 Output Display Data 6

The JDISP connector is used to drive the 2-line x 24-character (Acc-12), 2 x 40 (Acc-12A) LCD, or the 2 x 40

vacuum fluorescent (ACC. 12C) display unit. The DISPLAY command may be used to send messages and

values to the display.