參數(shù)資料
型號: MPC555PB
廠商: Motorola, Inc.
英文描述: CABLE ASSEMBLY; ; NMO Antenna Mount to BNC Male, RG58C/U, 5 feet
中文描述: 本文件提供了對MPC555的微控制器的概述,包括1塊示意圖主要模塊化組件和部門,即待
文件頁數(shù): 5/12頁
文件大小: 171K
代理商: MPC555PB
MOTOROLA
MPC555 Product Brief
5
Key Features
1.2.10 Two CAN 2.0B Controller Modules (TouCAN)
Each TouCAN provides these features:
Full implementation of CAN protocol specification, version 2.0A and 2.0B
Each module has 16 receive/transmit message buffers of 0 to 8 bytes data length
Global mask register for message buffers 0 to 13
Independent mask registers for message buffers 14 and 15
Programmable transmit-first scheme: lowest ID or lowest buffer number
16-bit free-running timer for message time-stamping
Low power sleep mode with programmable wake-up on bus activity
Programmable I/O modes
Maskable interrupts
Independent of the transmission medium (external transceiver is assumed)
Open network architecture
Multimaster concept
High immunity to EMI
Short latency time for high-priority messages
Low power sleep mode with programmable wakeup on bus activity
1.2.11 Queued Serial Multi-Channel Module (QSMCM)
Queued serial peripheral interface (QSPI)
— Provides full-duplex communication port for peripheral expansion or interprocessor
communication
— Up to 32 preprogrammed transfers, reducing overhead
— 160-byte queue buffer
— Programmable transfer length: from 8 to 16 bits, inclusive
— Synchronous interface with baud rate of up to system clock divided by 4
— Four programmable peripheral-select pins support up to 16 devices
— Wrap-around mode allows continuous sampling for efficient interfacing to serial peripherals
(e.g., – serial A/D converters, I/O latches, etc.)
Two serial communications interfaces (SCI). Each SCI offers these features:
— UART mode provides NRZ format and half-or full-duplex interface
— 16 register receive buffer and 16 register transmit buffer (SCI1 only)
— Advanced error detection and optional parity generation and detection
— Word length programmable as 8 or 9 bits
— Separate transmitter and receiver enable bits and double buffering of data
— Wakeup functions allow the CPU to run uninterrupted until either a true idle line is detected or
a new address byte is received
— External source clock for baud generation
— Multiplexing of transmit data pins with discrete outputs and receive data pins with discrete
inputs, allowing realization of a low-speed serial protocol
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