20-101-0492 Rabbit Semiconductor, 20-101-0492 Datasheet - Page 61

• Manufacturer Part Number: 20-101-0492
• Description: MODULE OP6800 FULL-FEATURED
• Manufacturer: Rabbit Semiconductor

Specifications of 20-101-0492

• Module/board Type: Single Board Computer Module
• For Use With/related Products: OP6800
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 20-101-492; 20-101-492

A.5 I/O Address Assignments
Table A-5 lists the external I/O addresses for the display and keypad I/O.
PE7 serves as a system-enable control and LCD/keypad strobe. When PE7 is high or in a
high-impedance status, all OP6800 outputs are disabled (digital outputs and display out-
puts are disabled, and RS-485 is at listen status).
User’s Manual
E000–E007
External
Address
E00A
E00B
E008
Table A-5. Display and Keypad Output Addresses
Name
KPEN
LCD
LED
EN
LCD control
Output enable for LEDs
Read keypad and IN12
LED0–LED6 and LCD backlight
Function
57