mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 334

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 12 Freescale’s Scalable Controller Area Network (MSCANV2)
12.1.2
The basic features of the MSCAN are as follows:
12.1.3
The following modes of operation are specific to the MSCAN. See
for details.
12.2
The MSCAN uses two external pins:
12.2.1
RXCAN is the MSCAN receiver input pin.
1. Depending on the actual bit timing and the clock jitter of the PLL.
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Implementation of the CAN protocol — Version 2.0A/B
— Standard and extended data frames
— Zero to eight bytes data length
— Programmable bit rate up to 1 Mbps
— Support for remote frames
Five receive buffers with FIFO storage scheme
Three transmit buffers with internal prioritization using a “local priority” concept
Flexible maskable identifier filter supports two full-size (32-bit) extended identifier filters, or four
16-bit filters, or eight 8-bit filters
Programmable wakeup functionality with integrated low-pass filter
Programmable loopback mode supports self-test operation
Programmable listen-only mode for monitoring of CAN bus
Separate signalling and interrupt capabilities for all CAN receiver and transmitter error states
(warning, error passive, bus-off)
Programmable MSCAN clock source either bus clock or oscillator clock
Internal timer for time-stamping of received and transmitted messages
Three low-power modes: sleep, power down, and MSCAN enable
Global initialization of configuration registers
Listen-Only Mode
MSCAN Sleep Mode
MSCAN Initialization Mode
MSCAN Power Down Mode
External Signal Description
Features
Modes of Operation
RXCAN — CAN Receiver Input Pin
MC9S12HZ256 Data Sheet, Rev. 2.05
1
Section 12.4, “Functional
Freescale Semiconductor
Description,”