D
C
5
4
3
2
1
FlexRAY Physical Interface
All Signals are in
Note on VBAT:
Decoupling Caps for BOTH IC's. Place next to power pins.
power domain VDD_HV_A.
- Operational range is 6.5v to 60V
FlexRAY interface will
FlexRAY
- Undervoltage detection is max 4.5v
FRBATA
FRBATB
5V0_SR
PER_HVA
On EVB this is supplied from 5v, In theory this
debug
work at 3.3V or 5.0V
connector
should be to battery with 60uS delay between
applying Vbat and I/O voltages. If necessary,
(PER_HVA)
(FR_DBG0)
P9
(FR_DBG1)
12V can be externally supplied by removing the
7
PC12
PC12
1
2
resistor and connecting pad to 12v
C85
C84
C83
C82
7
PC14
PC14
(FR_DBG2)
3
4
(FR_DBG3)
C89
C88
C87
C86
0.1UF
0.1UF
0.1UF
0.1UF
PER_HVA
10UF
10UF
10UF
10UF
(0603
(0603
(0603
(0603
PC15
DNP
5V0_SR
FRBATA
7
PC15
50V)
50V)
50V)
50V)
PC13
R21
0
FRB2
7
PC13
VBAT
VBUF
VCC
VIO
GND
7
PC5
(FR_A_TX)
R120
0
FRA-JTXD
U7
4192014
PC5
7
PE2
PE2
(FR_A_TX_EN)
R90
0
FRA-JTXEN
V
IO
V
C
C
V
B
U
F
V
B
A
T
7
PE3
PE3
(FR_A_RX)
R89
0
FRA-JRXD
GND
1
FRA-INH2
R33
C16
11
TRXD0
INH2
TPV9
10
2
FRA-INH1
47.0
10PF
TRXD1
INH1
TPV7
C91
1%
P10
PER_HVA
5
18
FRA-BP
1
L2
2
(0603)
BGE: Bus Guardian Enable. Pull
TXD
BP
FRA-DATA-A
4700PF
1
6
17
(50V 0805)
2
TXEN
BM
high to enable transmitter
R88
10.0K
FRA-BGE
8
FRA-BM
4
3
FRA-DATA-B
STBN: Standby Input. Pull High
R87
10.0K
FRA-STBN
9
BGE
7
DLW43SH
STBN
RXD
FRA-ERRN
R19
C12
GND
Crimped lead - 279-9522
R121
10.0K
FRA-EN
3
13
for non standby mode
R91
10.0K
EN
ERRN
12
FRA-RXEN
TPV1
47.0
10PF
Receptacle housing - 279-9156
EN: Enable Input. PUll high to
FRA-WAKE
15
WAKE
G
N
D
RXEN
TPV4
1%
(0603)
enable
GND
TJA1080TS/N
16
Bus v/- 12V (VBAT = 12v)
FlexRAY A
GND
Components spec'd for 12V operation
D
C
B
A
FlexRAY B
7
PE4
PE4
(FR_B_TX)
R85
0
FRB-JTXD
7
PC4
PC4
(FR_B_TX_EN)
R79
0
FRB-JTXEN
7
PE5
PE5
(FR_B_RX)
R78
0
FRB-JRXD
PER_HVA
R77
10.0K
R76
10.0K
R86
10.0K
R80
10.0K
GND
PER_HVA 5V0_SR
R9
0
U4
4
19
20
14
V
IO
V
C
C
V
B
U
F
V
B
A
T
GND
11
TRXD0
INH2
1
10
2
5
TRXD1
INH1
18
TXD
BP
6
17
TXEN
BM
FRB-BGE
8
BGE
FRB-STBN
9
STBN
RXD
7
FRB-EN
3
13
EN
ERRN
12
FRB-WAKE
15
RXEN
WAKE
G
N
D
16
TJA1080TS/N
GND
MODE
EN
STBN
Normal
1
1
Rec Only
0
1
Go to Sleep
1
0
Sleep
0
0
FRBATB
FRB1
FRB-INH2
TPV8
FRB-INH1
TPV6
L1
FRB-BP
1
2
FRB-DATA-A
FRB-BM
4
FRB-DATA-B
3
DLW43SH
FRB-ERRN
TPV2
FRB-RXEN
TPV3
R20
C13
47.0
10PF
1%
C90
(0603)
P8
4700PF
1
(50V
0805)
2
R8
C9
GND
Crimped lead - 279-9522
47.0
10PF
Receptacle housing - 279-9156
1%
(0603)
Bus v/- 12V (VBAT = 12v)
Components spec'd for 12V operation
Automotive Microcontroller
Applications
East Kilbride, Scotland
NXP General Business Use
Drawing Title:
MPC5748G-LCEVB
Page Title:
FlexRAY Physical Interface
Size
Document Number
Rev
B
SCH-27897
PDF: SPF-27897
B
Date:
Friday, February 12, 2016
Sheet 13
of
15
B
A
5
4
3
2
1
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