User`s manual

User’s Manual 111
D.4 Header Pinouts
Figure D-6 shows the pinouts for the LCD/keypad module.
Figure D-6. LCD/Keypad Module Pinouts
D.4.1 I/O Address Assignments
The LCD and keypad on the LCD/keypad module are addressed by the /CS strobe as
explained in Table D-2.
Table D-2. LCD/Keypad Module Address Assignment
Address Function
0xE000 Device select base address (/CS)
0xExx0–0xExx7 LCD control
0xExx8 LED enable
0xExx9 Not used
0xExxA 7-key keypad
0xExxB (bits 0–6) 7-LED driver
0xExxB (bit 7) LCD backlight on/off
0xExxC–ExxF Not used
DB6B DB4B DB2B DB0B A1B A3B GND LED7 LED5 LED3 LED1 /RES VCC
DB7B DB5B DB3B DB1B
A0B A2B
GND GND
LED6 LED4 LED2
PE7
+5BKLT
J1
GND GND
LED6 LED4 LED2
PE7
+5BKLT
GND LED7 LED5 LED3 LED1 /RES VCC
J3
GND
DB7B DB5B DB3B DB1B
A0B A2B
GND DB6B DB4B DB2B DB0B A1B A3B
J2