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Schematic
KT34FS6407-34FS6408UG User’s Guide Rev. 1.0 8/2015
Freescale Semiconductor, Inc.
31
8
Schematic
Figure 16. Evaluation Board Schematic
Vcore
1 - 2
2 - 3
J6
33906
33907_8
J1 / J5 / J9
Vcca
Vaux
ON
OFF
J17-DEBUG MODE
DEBUG
NORMAL
SPI
J19
Vcca/Vaux regulator select.
Jumper
Regulator
VAUX & VCCA
VCCA only
1 - 2
3 - 4
Vcore = 1.23V
Vcore = 3.3V
1-3 & 2-4
LED Signalling
CAN
LIN
I/O
Power Supply
DEBUG
J18-IO_1 Configuration
1 - 2
2 - 3
IN / OUT
VcoreFB drift
Vbat
1 - 2
3 - 4
Vcore = 1.23V
Vcore = 3.3V
J15
IO_1 VcoreFB Drift Enable
Test Points
SW2
Vcca/Vaux Voltages config.
SWITCH
5
3.3
1-8
2-7
3-6
4-5
3.3
5
5
5
3.3
3.3
Vcca / Vaux
Vcca only
3.3
5
5
NA
3-5 & 4-6
J4-Vpre mode
1-2 & 3-4
Jumpers off
Buck or Boost
Buck only
Vbat Jack
Contact KEY
ÀÁ
Feature supported only with
MC33907LAE & MC33908LAE
VSW
FS
0b
Bo
o
s
t_
c
o
re
FB
_C
or
e
C
o
m
p_c
ore
RS
T
b
RX
D_
L
TX
D
_
L
RX
D
TX
D
V
aux
_B
V
a
ux
_E
m
it
ter
Vc
c
a
_
E
CA
NH
CA
NL
V
s
ens
e
Vsu
p
CA
NH
CA
NL
IO
_
4
IO
_
5
IO
_
0
VCCA
VCCA
_B
VCCA
_E
VAUX
_E
VAUX
_B
VAUX
SEL
E
C
T
MI
S
O
MO
S
I
SC
L
K
NCS
b
SEL
E
C
T
Co
m
p
_
c
o
re
VSW
_
C
o
re
V
c
ore_s
ens
e
B
oos
t_
c
o
re
V
c
ore_s
ens
e
FB
_c
ore
IO
_
1
IO
_
2
IO
_
1
IO_4
IO
_
5
IO_3
RS
T
b
IN
T
b
IO
_
2
IO
_
3
Va
u
x_
E
V
a
ux
_E
m
it
ter
IN
T
b
FS0b
DBG
VSW
_
C
o
re
LI
N
MU
X
_
O
U
T
DB
G
LI
N
IO
_
0
MI
S
O
SC
L
K
IN
T
b
CA
NL
LI
N
FS
0
b
M
U
X
_OU
T
RS
T
b
VSW
FS
0_b
FS
0b_P
U
NCS
b
CA
NH
V
CCA
_
B
FS
0_b
MO
S
I
NCS
b
RX
D_
L
RX
D
V
s
ens
e
Vsu
p
3
M
U
X
_OU
T
RS
T
b
TX
D
_
L
TX
D
IO
_
1
IO
_
5
IO
_
0
IO
_
4
F
S
0b_P
U
SC
L
K
MI
S
O
MO
S
I
IN
T
b
VSW
_
C
o
re
PG
N
D
PG
N
D
PG
N
D
PG
N
D
PG
N
D
GND
PG
N
D
GND
GND
GND
GND
PG
N
D
Vpre
GN
D
GN
D
PG
N
D
PG
N
D
PG
N
D
GN
D
PG
N
D
GN
D
V
DDI
O
Vsu
p3
Vp
re
GN
D
GN
D
GN
D
Vpre
GND
GN
D
PG
N
D
GN
D
GN
D
GN
D
GN
D
GND
GND
GN
D
GND
GN
D
VDDIO
VDDIO
GN
D
GN
D
Vcore
Vpre
Vpre
Vcore
Vcca
Vau
x
Vau
x
Vcca
CAN_5V
GN
D
PG
N
D
PG
N
D
GN
D
GN
D
GN
D
V
DDI
O
V
bat
GN
D
GN
D
GN
D
GN
D
GND
V
DDI
O
PG
N
D
GN
D
GN
D
PG
N
D
GN
D
PG
N
D
Vsu
p
3
GN
D
Vbat
Vbat
GN
D
PG
N
D
GN
D
GN
D
Vcore
GN
D
PG
N
D
GN
D
GN
D
Vbat
GN
D
GN
D
GND
GND
GND
GN
D
GN
D
GN
D
GN
D
GN
D
GND
CAN_5V
GN
D
GN
D
GN
D
PG
N
D
GN
D
GN
D
Vsu
p
3
Vcca
Vcore
V
DDI
O
Vcore
V
DDI
O
Vsu
p
3
Vau
x
Vau
x
Vcca
Vcca
CAN_5V
CAN_5V
CAN_5V
Vcore
GN
D
Vpre
{2}
Vpre
{2}
Vpre
{2}
Vpre
{2}
C2
8
4.
7uF
C4
0.
1U
F
R4
6
510K
C3
2
1000P
F
J20
1
2
3
4
6
5
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R
4
9
51K
SW
2
1
2
3
4
8
7
6
5
CB
2
1000P
F
C3
3
4.
7uF
R1
3
4.
32K
R5
3
5.
1K
J9
1
2
3
4
CB
2
9
10nF
DNP
R3
1
1
.5
K
TP
1
3
C2
9
10uF
J6
1
2
3
D1
2
RE
D
A
C
C2
7
4.
7uF
TP
2
4
D1
7
LE
D
/GR
N
A
C
J27
1
2
D1
4
RE
D
A
C
TP
2
6
C3
0
10nF
RB
1
200
J5
1
2
3
4
R5
2
510K
J24
1
2
3
4
6
5
7
8
9
10
11
12
13
14
15
16
TP
4
J1
4
1
2
R6
3
5.
1K
C4
8
0.
1U
F
TP
2
2
RB
2
39K
J8
1
2
3
4
TP
2
8
R2
5
5.
6K
C2
2
1uF
TP
3
5
J3
2
1
2
J1
2
1
2
TP
9
1
RB
3
4.32K
C4
4
10nF
DNP
C3
6
10nF
TP
3
TP
3
0
C4
6
10nF
DNP
TP
6
1
C8
8
4700P
F
R3
5
510K
TP
2
1
TP
8
1
TP
2
0
D1
3
LE
D
/GR
N
A
C
JP
1
P
L
U
G_1X
10
1
2
3
4
5
6
7
8
9
10
R6
4
5
.1
K
D5
S
S
22T
3G
A
C
J2
5
1
2
3
4
D8
LE
D
/GR
N
A
C
J2
1
PL
U
G
_
1
X2
DNP
1
2
R4
5
510K
R3
4
1.
5K
SW
4
500S
S
P
3S
1M
6QE
A
1
2
3
S1
S2
Q7
1
3
2
TP
2
R4
2
5.
1K
TP
1
9
R
3
7
560
R1
4
2
5
6
0
E
B
C
Q2
N
J
T
4030P
1
3
2
4
R4
8
10K
CO
UT
4
10uF
R
2
7
24K
J4
1
2
3
4
C3
7
1000P
F
D6
LE
D
/GR
N
A
C
TP
1
8
D1
1
LE
D
/GR
N
A
C
C8
10nF
BH
2
MT
G
1
R1
1
5.
1K
L4
1uH
1
2
C6
1000P
F
C
O
U
T
1
10uF
J3
1
2
3
J23
1
2
3
4
6
5
7
8
9
10
D3
M
B
RS
3
4
0
T
3
G
A
C
R2
18K
CO
UT
3
10uF
TP
3
7
R2
2
5
.1
K
Q6
1
2
3
E
B
C
Q3
N
J
T
4030P
1
3
2
4
TP
3
4
J2
6
1
2
C2
150pF
TP
1
7
C4
3
1000P
F
DNP
D9
LE
D
/GR
N
A
C
R1
510
CB
2
1
10uF
R4
4
5.
1K
J3
1
1
2
TP
2
3
C2
1
10uF
R2
4
5.
1K
L3
22uH
TP
1
5
C4
9
0.
1U
F
SW
1
500S
S
P
3S
1M
6QE
A
1
2
3
S1
S2
C1
680P
F
C2
3
4.
7uF
R6
7
4.
7
TP
3
6
Q5
1
2
3
RA
3
24.9K
TP
1
4
C3
1
10nF
CO
UT
2
10uF
TP
1
2
D7
LE
D
/GR
N
A
C
TP
1
0
1
R4
7
1.
2K
R3
3
1.
5K
CB
3
1
10nF
DNP
SW
3
1
2
3
4
8
7
6
5
R2
6
0
R4
0
1.
5K
J1
3
1
2
3
J18
1
2
3
C1
1
4700P
F
D1
0
LE
D
/GR
N
A
C
J1
1
1
2
3
BH
4
MT
G
1
C5
0.
1U
F
+
C2
0
47uF
D1
6
M
M
S
Z
5248E
T
1
A
C
C1
4
0.
1U
F
TP
2
5
RA
4
8.
06K
CB
2
0
10nF
DNP
R
3
2
560
J10
1
2
R
140
4.
7
R3
8
5.
6K
R5
1
60.
4
R4
1
5.
1K
TP
1
6
TP
3
9
R5
0
2K
R1
7
5.
0K
1
3
2
R
3
6
560
J1
1
2
3
4
J2
8
1
2
3
J1
6
1
2
3
TP
3
8
TP
3
2
L5
2.
2uH
1
2
R2
8
1
0
K
R4
3
5.
1K
BH
3
MT
G
1
J7
P
L
UG_1X
2
1
2
TP
1
1
R3
0
11.
0
K
J2
2
P
L
U
G_1X
2
1
2
R2
9
5.
1K
BH
1
MT
G
1
C2
4
0.
22uF
U1
M
C
34FS
6407N
A
E
CA
N_
5
V
7
CA
NH
8
IO_5
11
IO_4
10
G
ND_
CO
M
6
CA
NL
9
IO_0
12
NC1
5
VSU
P
1
1
VSU
P
2
2
VSEN
S
E
3
VSU
P
3
4
IO_1
13
FS0
14
DEB
UG
15
AGN
D
16
MUX_
OU
T
17
IO_2
18
IO_3
19
TXD
20
RXD
21
NC2
22
NC3
23
RST
24
MI
S
O
25
MO
S
I
26
SC
L
K
27
CS
28
IN
T
29
V
DDI
O
30
SEL
E
C
T
31
FB
_C
O
R
E
32
C
O
M
P
_C
OR
E
33
VC
O
R
E_
SN
S
34
S
W
_C
OR
E
35
B
O
OT
_C
OR
E
36
VPRE
37
VAUX
38
VAUX
_B
39
VAUX
_E
40
VCCA
_E
41
VCCA
_B
42
VCCA
43
GATE
_LS
44
DGND
45
BOO
T_
PR
E
46
SW_
PR
E2
47
SW_
PR
E1
48
EP
49
TP
3
1
TP
7
1
J2
1
2
C4
5
10nF
DNP
TP
2
9
C4
7
220P
F
DNP
R3
9
1.
5K
D
2
1N
4148W
S
A
C
C8
9
2.
2U
F
TP
4
0
TP
3
3
TP
2
7
R1
5
24.
9K
R
2
3
12K
Q1
B
U
K
9832-55A
1
3
2
4
J1
5
1
2
3
4
J1
9
1
2
3
4
6
5
J1
7
1
2
J2
9
1
2
3
D1
5
RE
D
A
C
R1
4
1
2K
CC2
1
10uF
TP
5
D4
S
B
R
S
81100T
3
G
A
C
D1
M
B
R
S
340T
3
G
A
C
J30
1
2
CB
1
220P
F