参数资料
型号: MC850DECVR50BUR2
厂商: Freescale Semiconductor
文件页数: 45/72页
文件大小: 0K
描述: IC MPU PQUICC 50MHZ 256-PBGA
标准包装: 500
系列: MPC8xx
处理器类型: 32-位 MPC8xx PowerQUICC
速度: 50MHz
电压: 3.3V
安装类型: 表面贴装
封装/外壳: 256-BGA
供应商设备封装: 256-PBGA(23x23)
包装: 带卷 (TR)
MPC850 PowerQUICC Integrated Communications Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
5
Features
— Gate mode can enable/disable counting
— Interrupt can be masked on reference match and event capture
Interrupts
— Eight external interrupt request (IRQ) lines
— Twelve port pins with interrupt capability
— Fifteen internal interrupt sources
— Programmable priority among SCCs and USB
— Programmable highest-priority request
Single socket PCMCIA-ATA interface
— Master (socket) interface, release 2.1 compliant
— Single PCMCIA socket
— Supports eight memory or I/O windows
Communications processor module (CPM)
— 32-bit, Harvard architecture, scalar RISC communications processor (CP)
— Protocol-specific command sets (for example, GRACEFUL STOP TRANSMIT stops transmission
after the current frame is finished or immediately if no frame is being sent and CLOSE RXBD
closes the receive buffer descriptor)
— Supports continuous mode transmission and reception on all serial channels
— Up to 8 Kbytes of dual-port RAM
— Twenty serial DMA (SDMA) channels for the serial controllers, including eight for the four
USB endpoints
— Three parallel I/O registers with open-drain capability
Four independent baud-rate generators (BRGs)
— Can be connected to any SCC, SMC, or USB
— Allow changes during operation
— Autobaud support option
Two SCCs (serial communications controllers)
— Ethernet/IEEE 802.3, supporting full 10-Mbps operation
— HDLC/SDLC (all channels supported at 2 Mbps)
— HDLC bus (implements an HDLC-based local area network (LAN))
— Asynchronous HDLC to support PPP (point-to-point protocol)
— AppleTalk
— Universal asynchronous receiver transmitter (UART)
— Synchronous UART
— Serial infrared (IrDA)
— Totally transparent (bit streams)
— Totally transparent (frame based with optional cyclic redundancy check (CRC))
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