NXP Semiconductors MPC5748G - Page 28

5
4
3
2
1
USB RS232 (serial) Interface
D
All Signals are in
power domain
VDD_HV_A.
FTDI interface will
work at 3.3V or 5.0V
FTDI USB <-> Serial Interface
- Self Powered mode. No power is taken from USB
- Device efaults to Dual serial (RS232) mode i.e. RS232 on both A and
B
- Configurable I/O voltage on CHA / CHB via VDDIOA/B
5V0_SR
D
C
B
(PER_HVA)
P11
S2
-D
2
2
3
3
+D
4
1
4
G
1
V
S1
USB_TYPE_B
5V0_SR
PER_HVA
D3
1
BGX50A
C105
(0603
C101
C115
R119
2
D1
D2
4
0.1UF
50V)
470
0.1UF
0.1UF
(0603
(0603
D4
D3
C114
50V)
50V)
3
0.033UF
U9
46
3
42
14
3 1
GND
GND
24
AVCC
VCC1
VCC2
VCCIOA
VCCIOB
ADBUS0
23
ADBUS1
GND
6
22
3V3OUT
ADBUS2
21
R38 27
ADBUS3
20
USB_N
USB_RN
ADBUS4
8
19
USBDM
ADBUS5
USB_P
USB_RP
17
ADBUS6
R35 27
7
16
USBDP
ADBUS7
C107
C106
R34
ACBUS0
15
13
1.5K
ACBUS1
R39
5
12
RSTOUT#
ACBUS2
47PF
47PF
4.70K
11
ACBUS3
DNP
DNP
4
10
RESET#
SI/WUA
1
1.0 M
CLK_XTIN_6M
BDBUS0
40
GND
X1
43
39
XTIN
BDBUS1
GND
6 MHZ
38
R127
2
CLK_XTOUT_6M 44
BDBUS2
37
XTOUT
BDBUS3
10.0K
36
BDBUS4
35
5V0_SR
R 3 6
BDBUS5
GND
3
33
BDBUS6
48
BDBUS7
32
EECS
GND
1
30
EESK
BCBUS0
2
29
EEDATA
BCBUS1
R118 10.0K
28
BCBUS2
27
BCBUS3
26
47
SI/WUB
TEST
AGND
GND1GND2GND3 GND4
41
PWREN#
45
9
182534
FT2232D
C102
C103
C104
0.1UF
0.1UF
2.2UF
(0603
(0603
10V
50V)
50V)
GND
Send Immediate / Wakeup
Disabled for CHA
PER_HVA
R126 10.0K
FTDI_TXD
R116
0
FTDI_RXD
R115
0
Send Immediate / Wakeup
Disabled for CHB
PER_HVA
5V0_SR
R125 10.0K
R117 10.0K
Disable Receiver when
DNP
in USB suspend mode
FTDI Pin 40 (TXD)
is Output from
FTDI Device,
connect to MCU RXD
FTDI Pin 39 (RXD)
is Input to FTDI
device, connect to
MCU TXD
(MCU_LIN2RX)
PC9
PC9
7
(MCU_LIN2TX)
PC8
PC8
7
C
B
A
GND
Automotive Microcontroller
Applications
East Kilbride, Scotland
NXP General Business Use
Drawing Title:
MPC5748G-LCEVB
Page Title:
USB RS232 Interface
Size
Document Number
Rev
B
SCH-27897
PDF: SPF-27897
B
Date:
Friday, February 12, 2016
Sheet 10
of
15
A
5 4 3 2 1
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