Figure 16.
RS232 and LIN
R1 IN
13
R2 IN
8
T1 IN
11
T2 IN
10
GND
15
V+
2
V-
6
VCC
16
R1 OUT
12
R2 OUT
9
T1 OUT
14
T2 OUT
7
C1+
1
C1 -
3
C2+
4
C2 -
5
U10
ST3232EBTR
C95
470nF/16V
GND
C96
470nF/16V
C93
100nF/50V
C94
470nF/16V
VDD_HV_IO_Main
GND
GND
Rx_A
Rx_B
Tx_B
Tx_A
C97
100nF/50V
R81
10kΩ
R80
10kΩ
SB15
Open
SB16
Open
Tx2
Rx2
VDD_HV_IO_Main
1
2
3
4
5
6
7
8
X7
HEADER 4X2
V_EXT
TXD
4
RXD
1
NWAKE
3
NSLP
2
INH
8
BAT
7
LIN
6
GND
5
U11
TJA1020/1021
GND
GND
C98
1nF/16V
C99
220pF/16V
R82
10kΩ
TP31
LIN
C100
100nF/50V
GND
TP32
GND
GND
NLSP
Rx1
Tx1
SCI_4_TX
SCI_4_RX
LIN6_TX
LIN6_RX
SCI_0_TX
SCI_0_RX
GND
VDD_HV_IO_Main
VDD_HV_IO_Main
TP26
Rx1
TP30
GND
GND
TP27
Tx1
V_Ext
V_Ext
SCI_ChB
SCI_ChA
JP39
Open
1
2
3
4
5
6
7
8
X6
HEADER 4X2
VDD_HV_IO_Main
TP28
Rx2
TP29
Tx2
GND
LIN
1
2
3
JP38
LIN Master/Slave
D3
BAS40
LIN_TX
LIN_RX
R122
0R
GND
Not Assembled
R123
1k
1
2
3
JP7
SCI_RX_Sel
1
2
3
JP6
SCI_RX_Sel
R1_OUT
T1_IN
RXD_USB
TXD_USB
Default: 1-2
Default: 1-2
UM2462
-
Rev 3
page 16/25
UM2462
Schematics
