參數(shù)資料
型號(hào)： MPC8260AEC
廠商： Motorola, Inc.
英文描述： MPC826xA (HiP4) Family Hardware Specifications
中文描述： MPC826xA（HiP4）家庭硬件規(guī)格
文件頁(yè)數(shù)： 4/48頁(yè)
文件大小： 315K
代理商： MPC8260AEC
4
MPC826xA (HiP4) Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
MOTOROLA
Features
Separate PLLs for G2 core and for the CPM
— G2 core and CPM can run at different frequencies for power/performance optimization
— Internal core/bus clock multiplier that provides 1.5:1, 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 5:1, 6:1 ratios
— Internal CPM/bus clock multiplier that provides 2:1, 2.5:1, 3:1, 3.5:1, 4:1, 5:1, 6:1 ratios
64-bit data and 32-bit address 60x bus
— Bus supports multiple master designs
— Supports single- and four-beat burst transfers
— 64-, 32-, 16-, and 8-bit port sizes controlled by on-chip memory controller
— Supports data parity or ECC and address parity
32-bit data and 18-bit address local bus
— Single-master bus, supports external slaves
— Eight-beat burst transfers
— 32-, 16-, and 8-bit port sizes controlled by on-chip memory controller
60x-to-PCI bridge (MPC8265A and MPC8266A only)
— Programmable host bridge and agent
— 32-bit data bus, 66 MHz, 3.3 V
— Synchronous and asynchronous 60x and PCI clock modes
— All internal address space available to external PCI host
— DMA for memory block transfers
— PCI-to-60x address remapping
System interface unit (SIU)
— Clock synthesizer
— Reset controller
— Real-time clock (RTC) register
— Periodic interrupt timer
— Hardware bus monitor and software watchdog timer
— IEEE 1149.1 JTAG test access port
Twelve-bank memory controller
— Glueless interface to SRAM, page mode SDRAM, DRAM, EPROM, Flash and other user-
de
fi
nable peripherals
— Byte write enables and selectable parity generation
— 32-bit address decodes with programmable bank size
— Three user programmable machines, general-purpose chip-select machine, and page-mode
pipeline SDRAM machine
— Byte selects for 64 bus width (60x) and byte selects for 32 bus width (local)
— Dedicated interface logic for SDRAM
CPU core can be disabled and the device can be used in slave mode to an external core
Communications processor module (CPM)
— Embedded 32-bit communications processor (CP) uses a RISC architecture for
fl
exible
support for communications protocols
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