User's Manual

Schematic and Bill of Material
1320x-QE128EVB Reference Manual, Rev. 0.0
5-4 Freescale Semiconductor
Figure 5-4. Schematic (4 of 5)
5
5
4
4
3
3
2
2
1
1
D D C C B B A A
MCU RXD1
TX
CTS RTS
RX
MCU TXD1
V_USB
PTC6/RxD2 PTC7/TxD2 PTA7 PTA6
LCD_Vo_ref
V_RS232
PTB1/TxD1
PTB0/RxD1
PTA0
PTA1
Drawing Title: Size Document Number Rev Date: Sheet
of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Friday, February 01, 2008
USB & RS232
67
Drawing Title: Size Document Number Rev Date: Sheet of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Friday, February 01, 2008
USB & RS232
67
Drawing Title: Size Document Number Rev Date: Sheet of
Page Title:
SCH-23731 PDF: SPF-23731 B1
1320X-QE128-EVB
C
Friday, February 01, 2008
USB & RS232
67
TX UART 1
RX UART 1
RS232 Switching Noise Trap
U5
MAX3318EAP
U5
MAX3318EAP
C1+
2
V+
3
C1-
4
C2+
5
C2-
6
V-
7
T2OUT
8
R2IN
9
R2OUT
10
T2IN
12
T1IN
13
R1OUT
15
R1IN
16
FORCEON
14
INVALID
11
READY
1
VCC
19
FORCEOFF
20
T1OUT
17
GND
18
C37 15 PF C37 15 PF
R43
1K
R43
1K
R45
1K
R45
1K
C36 4.7UF C36 4.7UF
C26 0.1UF C26 0.1UF
C20 0.01UF C20 0.01UF
C24 4.7UF C24 4.7UF
1 2
34
+D -D
G
V
J12 USB_TYPE_B
1 2
34
+D -D
G
V
J12 USB_TYPE_B
1 2 3 4 S1 S2
J15 HDR_2X1 J15 HDR_2X1
1 2
R23 0 OHMR23 0 OHM
L5 47 OHM L5 47 OHM
1 2
R42
1K
R42
1K
R44
1K
R44
1K
R25 10 OHM R25 10 OHM
J14
DB9
J14
DB9
5 9 4 8 3 7 2 6 1 M2 M1
J13 HDR_2X1 J13 HDR_2X1
1 2
C21
0.1UF
C21
0.1UF
F2 0.5A F2 0.5A
1 2
U7
FT232RQ
U7
FT232RQ
GND1
4
AGND
24
RI#
3
DCD#
7
DSR#
6
DTR#
31
3V3OUT
16
VCCIO
1
OSCI
27
RESET#
18
NC6
23
OSCO
28
CBUS4
9
CBUS3
11
CBUS1
21
CBUS0
22
CBUS2
10
NC5
29
NC4
25
NC3
13
NC2
12
NC1
5
USBDP
14
USBDM
15
VCC
19
GND4
20
GND2
17
TEST
26
CTS#
8
RTS#
32
RXD
2
TXD
30
EP
33
TP4TP4
C38 15 PF C38 15 PF
C28
0.1UF
C28
0.1UF
C23 4.7UF C23 4.7UF
C22
0.1UF
C22
0.1UF
C25
0.1UF
C25
0.1UF
R24 0 OHMR24 0 OHM
C27
0.1UF
C27
0.1UF