PIN CONNECTIONS
PIN CONNECTIONS
MC33905D
MC33905S
MC33904A
1
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
1
32
NC
NC
NC
NC
NC
VB
VE
VB
VE
VSUP1
VSUP1
2
2
2
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VSUP2
I/O-3
LIN-T
SAFE
5V-CAN
CANH
VSUP2
I/O-3
I/O-2
SAFE
5V-CAN
CANH
3
3
3
RXD
TXD
VDD
MISO
RXD
TXD
VDD
MISO
NC
VB
VE
4
4
4
VSUP1
5
5
5
VSUP2
LIN-T2
LIN-T1
SAFE
5V-CAN
CANH
6
6
6
RXD
7
7
7
TXD
VDD
MISO
MOSI
SCLK
CS
MOSI
SCLK
CS
INT
RST
MOSI
SCLK
CS
INT
RST
GND
SEE
NOTE 1
GND
SEE
NOTE 1
8
CANL
8
CANL
8
9
9
9
GND CAN
SPLIT
V-BAUX
V-CAUX
GND CAN
SPLIT
V-BAUX
V-CAUX
10
11
12
13
14
15
16
17
18
19
20
21
22
10
11
12
13
14
15
16
10
11
12
13
14
15
16
CANL
GND CAN
SPLIT
V-BAUX
V-CAUX
I/O-1
I/O-1
GND
SEE
NOTE 1
V-AUX
MUX-OUT
I/O-0
V-AUX
MUX-OUT
I/O-0
INT
VSENSE
RXD-L
TXD-L
LIN
VSENSE
NC
NC
RST
I/O-1
DBG
DBG
V-AUX
MUX-OUT
NC
VSENSE
RXD-L1
TXD-L1
LIN-1
NC
38
37
I/O-0
DBG
NC
GND - LEAD FRAME
32 pins exposed package
GND - LEAD FRAME
32 pins exposed package
36
35
34
NC
NC
NC
NC
33
32
31
30
29
28
NC
TXDL2
GND
RXDL2
LIN-2
NC
23
24
GND
25
26
27
NC
NC
NC
54 pins exposed package
Note 1: Exposed pad should be connected to electrical ground.
Figure 7. 33904/5 Pin Connections
Table 2. 33904/5 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 28.
Pin #
Pin #
Pin #
Pin Name
Pin Function Formal Name
Definition
33905D 33905S 33904A
No Connection
1-3,20-
22,27-
N/A
17, 18,
19
N/C
No Connect
-
30,32-
35,52-54
Supply input for the device internal supplies, power on reset
circuitry and the VDD regulator.
4
1
2
1
2
VSUP1
VSUP2
Power
Power
Battery Voltage
Supply 1
Supply input for 5 V-CAN regulator, VAUX regulator, I/O and
LIN Terminals.
5
Battery Voltage
Supply 2
33904/5
Analog Integrated Circuit Device Data
Freescale Semiconductor
8