Panasonic EB-GD67 Service Manual page 32

INTERFACES AND TEST POINTS
No. Name
11 RTS
12 CTS
13 EXT-PWR
14 GND
7.1.2 LCD Module Interface Connections
Pin Signal PCB-LCD
1 LED1-
2 LED+
3 LED2-
4 VDD
5 GROUND
6 nRESET
7 nCS±CD
8 LCD±RS
9 RnW
10 D[0]
11 D[1]
12 D[2]
13 D[3]
14 D[4]
15 D[5]
16 D[6]
17 D[7]
18 GROUND
Issue 1
Revision 0
HH <==>EXT
<== RS232C: Request to Send
==> RS232C Clear to Send
<== Power supply for Battery Charge
- Power supply and digital signal ground
18
Figure 7.2: LCD Module Connector
Function
- BACKLIGHT LED1 CATHODE
- LED SUPPLY VOLTAGE 4.5 V
- BACKLIGHT LED2 CATHODE
- POWER SOURCE FOR LCD MODULE
-
-> RESET SIGNAL
-> LCD CHIP SELECT SIGNAL
-> LCD DATA / COMMAND SELECT
-> LCD WRITE
-> DATA BUS BIT 0
-> DATA BUS BIT 1
-> DATA BUS BIT 2
-> DATA BUS BIT 3
-> DATA BUS BIT 4
-> DATA BUS BIT 5
-> DATA BUS BIT 6
-> DATA BUS BIT 7
-
Function
9
1
Q732 #4
D621 #1
Q732 #4
D28V
GND
CALYPSO #N2
CALYPSO #D3
CALYPSO #M4
U730 #4
CALYPSO #B7
CALYPSO #D7
CALYPSO #E7
CALYPSO #D6
CALYPSO #A6
CALYPSO #C6
CALYPSO #E6
CALYPSO #C5
GND
Section 7
– 30 –
H/H Circuit
2.8 V
10k
330
330
10584-1
10585-1
10095-2
10572-1
Connection Status
CALYPSO nCS3
CALYPSO IO3
RnW or WAIT
MMCD020801C8
Service Manual
10582-1