參數(shù)資料
型號: MPC857DSLCZQ66B
廠商: Freescale Semiconductor
文件頁數(shù): 34/88頁
文件大?。?/td> 0K
描述: IC MPU PWRQUICC 66MHZ 357-PBGA
標準包裝: 44
系列: MPC8xx
處理器類型: 32-位 MPC8xx PowerQUICC
速度: 66MHz
電壓: 3.3V
安裝類型: 表面貼裝
封裝/外殼: 357-BBGA
供應商設(shè)備封裝: 357-PBGA(25x25)
包裝: 托盤
MPC862/857T/857DSL PowerQUICC Family Hardware Specifications, Rev. 3
4
Freescale Semiconductor
Features
System integration unit (SIU)
— Bus monitor
— Software watchdog
— Periodic interrupt timer (PIT)
— Low-power stop mode
— Clock synthesizer
— Decrementer, time base, and real-time clock (RTC) from the PowerPC architecture
— Reset controller
— IEEE 1149.1 test access port (JTAG)
Interrupts
— Seven external interrupt request (IRQ) lines
— 12 port pins with interrupt capability
— The MPC862P and MPC862T have 23 internal interrupt sources; the MPC857T and
MPC857DSL have 20 internal interrupt sources
— Programmable priority between SCCs (MPC862P and MPC862T)
— Programmable highest priority request
Communications processor module (CPM)
— RISC controller
— Communication-specific commands (for example, GRACEFUL STOP TRANSMIT, ENTER HUNT
MODE
, and RESTART TRANSMIT)
— Supports continuous mode transmission and reception on all serial channels
— Up to 8-Kbytes of dual-port RAM
— The MPC862P and MPC862T have 16 serial DMA (SDMA) channels; the MPC857T and
MPC857DSL have 10 serial DMA (SDMA) channels
— Three parallel I/O registers with open-drain capability
Four baud rate generators
— Independent (can be connected to any SCC or SMC)
— Allow changes during operation
— Autobaud support option
The MPC862P and MPC862T have four SCCs (serial communication controller) The MPC857T
and MPC857DSL have one SCC, SCC1; the MPC857DSL supports ethernet only
— Serial ATM capability on all SCCs
— Optional UTOPIA port on SCC4
— Ethernet/IEEE 802.3 optional on SCC1–4, supporting full 10-Mbps operation
— HDLC/SDLC
— HDLC bus (implements an HDLC-based local area network (LAN))
— Asynchronous HDLC to support PPP (point-to-point protocol)
— AppleTalk
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