33742_08 Datasheet, PDF (6/70 Pages) Freescale Semiconductor, Inc – System Basis Chip with Enhanced High Speed CAN Transceiver

PIN CONNECTIONS
Table 3. 33742 48-Pin Definitions (continued)
A functional description of each pin can be found in the Functional Pin description section beginning on page 23.
Pin
Pin Name
Formal Name
Definition
26
V2
Voltage Source 2
Sense input for the V2 regulator using an external series pass transistor. V2 is also the
internal supply for the CAN transceiver.
27
V2CTRL Voltage Source 2 Control ^{Output drive source for the V2 regulator connected to the external series pass}
transistor.
28
VSUP
Voltage Supply
Supply input pin for the 33742.
29
HS
High Side Output
Output of the internal high side switch. The output current is internally limited to 150mA.
30-33
34
35
L0- L3
CANH
CANL
Level 0 - 3 Inputs
CAN High Output
CAN Low Output
Inputs from external switches or from logic circuitry.
CAN high output pin.
CAN low output pin.
33742
6
Analog Integrated Circuit Device Data
Freescale Semiconductor