Figure 34. Schematic - Microcontroller & Usb Interface - Cirrus Logic CDB5480U General Description Manual

LCD LCD HEADER
U7
J22
LCD 16P LMB162AFC-2
HDR16X1-ML-TH
1 1
VSS
2
2
VDD
3 3
NC
4
4
RS
5
5
R/W
6
6
E
7
7
DBO
8 8
DB1
9
9
DB2
10 10
DB3
11
11
DB4
12 12
DB5
13
13
DB6
14 14
DB7
15 15 R57
BLA
16
16
BLK
GND1
+3.3V_1
R44 +3.3V_1
J25
1K
HDR5X2
1
2
S1
3 4
1 3
5 6
5 7 8
RESET 9 10
R45 1K
JTAG/C2
GND1
C27 C28
GND1 GND1
X7R X7R
0.1uF 1UF
R56
0
NO POP
JP1
GND1
JP2
JP3
JP4
GND1
Figure 34. Schematic - Microcontroller & USB Interface
+3.3V_1
GND1
TP10
+3.3V_1
C22
X7R
0.1uF
LCD_RS
6
LCD_R/W VDD
LCD_E
18
P2.0
17
P2.1
16
P2.2
15
P2.3
14
P2.4
13
P2.5
12
P2.6
11
P2.7
20
+3.3V_1
10
P3.0/C2D
9
RST/C2CK
D5
1 4 8
VBUS
5
D-
3 4
D+
2 3
GND
GND1
SP0503BAHTG
J24
292304-1
5
GND
GND1
1
+5V
2
D-
3
D+
4
GND
6 C26
GND
22pF
1K R46
USB
GND1
JP5
JP6
JP7
JP8
GND1
ECO# REV DESCRIPTION
+5V
6.8V
Z2
2
+5V_EXT
1 2
J26
1
GND1
J27
GND1
GND1
GND1
U6
R34
7
REGIN
R35
2
P0.0
R36
1
P0.1
32
P0.2
R37
31
P0.3
30
P0.4
R38
29
P0.5
28
P0.6
27
P0.7
26 R40
P1.0
25
P1.1
R41
24
P1.2
23
P1.3
22 R42
P1.4
21
P1.5
20 R43
P1.6
19
P1.7
R48
+3.3V_1
680
C8051F342-GQ
R47
5.1K
USB_+5V
S2
3 1
5
SWITCH
C29
X7R
+3.3V_1
0.1uF
GND1 GND1
PART #
600-00474-Z1
DESCRIPTION:
SCHEM CDB5480U-Z-NPb
SHEET TITLE:
MCU+LCD+USB
Alan ZHA
DRAWN BY:
DATE: 02/17/11
INC BY/DATE CHK BY/DATE
CS
SCLK
SDI
SDO
DO3
DO2
DO1
RESET
REV D2
ENGINEER: Alan ZHA
SIZE B 3
3
SHEET OF