Cirrus Logic CDB5490U - Manual (Page 41)

CDB5490U
DS92
3DB5
41
REV C2
02/17/11
SCHEM CDB5490U-Z NPb
3 3
Alan ZHA Alan ZHA
MCU+LCD+USB
CHK BY/DATE INC BY/DATE DESCRIPTION REV ECO#
SIZE B
OF SHEET
PART #
DESCRIPTION:
DRAWN BY:
DATE:
ENGINEER:
SHEET TITLE:
+5V_EXT
GND1
+
5V
_U
SB
+
5V
_EX
T
LCD HEADER
600-00483-Z1
1 P0.1
2 P0.0
3 GND
4 D+
5 D-
6 VDD 7 REGIN
8 VBUS
9 RST/C2CK
10 P3.0/C2D
11 P2.7
12 P2.6
13 P2.5
14 P2.4
15 P2.3
16 P2.2
17 P2.1
18 P2.0
19 P1.7
20 P1.6
21 P1.5
22 P1.4
23 P1.3
24 P1.2
25 P1.1
26 P1.0
27 P0.7
28 P0.6
29 P0.5
30 P0.4
31
P0.3
32 P0.2
U6
C8051F342-GQ
1 VSS 2
VDD 3
NC 4
RS 5
R/W 6
E 7
DBO 8
DB1 9
DB2 10
DB3 11
DB4 12
DB5 13
DB6 14
DB7 15
BLA 16
BLK
LCD1
LCD 16P LMB162AFC-2
LCD
R37 0
R38 0
R42
0
C22
0.1uF
X7R C23 0.
1uF X7
R
C24 47uF EL
EC
C25 0.
1uF X7
R
1 +5V 2
D- 3
D+ 4
GND
5 GND
6 GND
J24
292304-1
USB
C26
22pF
4
3
1
2
D5
SP0503BAHTG
1 2
3 4
5 6
7 8
9 10
J25
HDR5X2
JTAG/C2
1
5
3
S1
RESET
R44
1K
C27
0.1uF
X7R
C28
1UF
X7R
R45 1K
R46 1K
J26 1
2
J27
1
5
3
S2
SWITCH
R47
5.1K
C29
0.1uF
X7R
12
D6 RE
D
EVENT
R48
680
1 2
Z2
6.8V
TP10
+3.3V_1
JP1
JP2
JP3
JP4
JP5
JP6
JP7
JP8
R43 0
R56
0
NO POP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J22
HDR16X1-ML-TH
R57 20
TX
RX
DO1
LC
D
_E
LC
D
_R
/W
LC
D _R
S
LCD_E
LCD_R/W
LCD_RS
+3.3V_1
+3.3V_1
+3.3V_1
+3.3V_1
US
B_
+
5V
USB_+5V
+3.3V_1
+3.3V_1
GND1
GND1
GND1
GND1
GND1
GND1
GND1 GND1
GND1
GND1
GND1 GND1
GND1 GND1
RESET
RE
SE
T
GND1
GND1
+5V
Figure 35. Schematic - Microcontroller and USB Interface