HTEB1
User manual
Issue 0.2 Page 10 07/2002
OnBoard LCD (IC4)
X3, external LCD-connector (057-016-1)
X5, E10T debug connector (Sys-Con)
LCD Modul
(IC4) pin
X3 (LCD-CON)
(057-016-1)
pin
µC-
pin
Operation
31 -GND
42 -Vcc
5 3 - contrast (=P3)
6 4 P75 RS (register select)
7 5 P74 R/W (read / write)
8 6 P20 EN (enable)
97 P50D0
10 8 P51 D1
11 9 P52 D2
12 10 P53 D3
13 11 P54 D4
14 12 P55 D5
15 13 P56 D6
16 14 P57 D7
1 15 - Backlight +
216 -GND
X5 (SYS-CON),
pin
µC-pin Operation
1 P87 Debug pin
5 P86 Debug pin
7 /NMI /NMI
11 P85 Debug pin
13 /RESET reset control
8Vcc
2,4,6,10,12,14 GND
3,9 n.c. Not connected
X3 pinout
X5 pinout