User's Manual

Schematic and Bill of Material
1320x-QE128EVB Reference Manual, Rev. 0.0
Freescale Semiconductor 5-5
Figure 5-5. Schematic (5 of 5)
5 5
4 4
3 3
2 2
1 1
D D C C B B A A
LCD_Vo_supply
DB4 DB5 DB6 VSS Vo VDD RS R/W E DB7 DB0 DB2 DB3 DB1 A_BKL+
V_LCD
PTD5 PTD7 PTF4 PTF5 PTF6 PTF7 PTD6
LCD_Vo_ref
Drawing Title: Size Document Number Rev Date: Sheet
of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Tuesday, February 05, 2008
LCD
77
Drawing Title: Size Document Number Rev Date: Sheet of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Tuesday, February 05, 2008
LCD
77
Drawing Title: Size Document Number Rev Date: Sheet of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Tuesday, February 05, 2008
LCD
77
Contrast Adjust
CFAH1602B LCD Socket
Place R30 to enable the negative voltage switcher for the contrast adjust Do not populate R38 and R31 NOTE:
PC1602 LCD Socket
R36 10K R36 10K
R27 100K R27 100K
R34 10K R34 10K
R30 0 OHMR30 0 OHM
R28
5K
R28
5K
1 3
2
R33 10K R33 10K
C30 0.1UF C30 0.1UF
R37 10K R37 10K
R35 10K R35 10K
R29 383K R29 383K
R26 4.7K R26 4.7K
C33 1.0UF C33 1.0UF
C34 1.0UF C34 1.0UF
C32 10UF C32 10UF
C31 1.0UF C31 1.0UF
R31
0 OHM DNP
R31
0 OHM DNP
J16
1x16 TH SOCKET
J16
1x16 TH SOCKET
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
U6
LM2687
U6
LM2687
Cap+
1
GND
2
Cap-
3
SD
4
VNEG
5
VFB
6
VOUT
7
VIN
8
J17
1x16 TH SOCKET
J17
1x16 TH SOCKET
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
R38 0 OHM
DNP
R38 0 OHM
DNP