MC68HC08AZ32A Datasheet, PDF (324/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
MSCAN08 Controller (MSCAN08)
20.4 External Pins
The MSCAN08 uses two external pins, one input (RxCAN) and one
output (TxCAN). The TxCAN output pin represents the logic level on the
CAN: 0 is for a dominant state, and 1 is for a recessive state.
A typical CAN system with MSCAN08 is shown in Figure 20-1.
CAN NODE 1
CAN STATION 1
CAN NODE 2
CAN NODE N
MCU
CAN CONTROLLER
(MSCAN08)
TXCAN
RXCAN
TRANSCEIVER
CAN_H
CAN_L
C A N BUS
Figure 20-1. The CAN System
Each CAN station is connected physically to the CAN bus lines through
a transceiver chip. The transceiver is capable of driving the large current
needed for the CAN and has current protection against defective CAN or
defective stations.
Technical Data
324
MC68HC08AZ32A — Rev 1.0
MSCAN08 Controller (MSCAN08)
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