XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 484

• Manufacturer Part Number: XC908AS60ACFU
• Description: MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
• Manufacturer: Motorola Semiconductor Products

Byte Data Link Controller (BDLC)
27.2 Introduction
27.3 Features
Technical Data
484
27.6.5.5
27.7
27.7.1
27.7.2
27.7.3
27.7.4
27.7.5
27.8
27.8.1
27.8.2
The byte data link controller (BDLC) provides access to an external
serial communication multiplex bus, operating according to the Society
of Automotive Engineers (SAE) J1850 protocol.
The BDLC-D is only available on the MC68HC908AS60A.
Features of the BDLC module include:
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SAE J1850 class B data communications network interface
compatible and ISO compatible for low speed (<125 kbps) serial
data communications in automotive applications
10.4 kbps variable pulse width (VPW) bit format
Digital noise filter
Collision detection
Hardware cyclical redundancy check (CRC) generation and
checking
Two power-saving modes with automatic wakeup on network
activity
Polling and CPU interrupts available
BDLC CPU Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 512
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
BDLC Analog and Roundtrip Delay Register. . . . . . . . . 513
BDLC Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . 514
BDLC Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . 517
BDLC State Vector Register . . . . . . . . . . . . . . . . . . . . . . 524
BDLC Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .526
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 527
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 528
Byte Data Link Controller (BDLC)
Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .511
MC68HC908AZ60A — Rev 2.0
MOTOROLA