参数资料
型号: DSP56857BUE
厂商: Freescale Semiconductor
文件页数: 23/53页
文件大小: 0K
描述: IC DSP 16BIT 120MHZ 100-LQFP
标准包装: 90
系列: 568xx
核心处理器: 56800E
芯体尺寸: 16-位
速度: 120MHz
连通性: SCI,SPI,SSI
外围设备: DMA,POR,WDT
输入/输出数: 47
程序存储器容量: 80KB(40K x 16)
程序存储器类型: SRAM
RAM 容量: 24K x 16
电压 - 电源 (Vcc/Vdd): 1.62 V ~ 1.98 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 托盘
56857 Technical Data, Rev. 6
Freescale Semiconductor
3
56857 Block Diagram
JTAG/
Enhanced
OnCE
Program Controller
and
Hardware Looping Unit
Data ALU
16 x 16 + 36 36-Bit MAC
Three 16-bit Input Registers
Four 36-bit Accumulators
Address
Generation Unit
Bit
Manipulation
Unit
16-Bit
DSP56800E Core
XTAL
EXTAL
Interrupt
Controller
Quad
Timer
or
GPIOG
4
CLKO
4
RESET
IRQA
IRQB
VDD VSSIO
VDDA VSSA
CS0-CS3[3:0]
MODEA-C or
6
Program Memory
40,960 x 16 SRAM
Boot ROM
1024 x 16 ROM
Data Memory
24,576 x 16 SRAM
PDB
XAB1
XAB2
XDB2
CDBR
SPI
or
GPIOF
2 SCI
or
GPIOE
IPBus Bridge (IPBB)
3
(GPIOH0-H2)
8
12
VDDIO
12
Decoding
Peripherals
4
System
Bus
Control
Memory
PAB
CDBW
CDBR
CDBW
VSS
5
6
ESSI0
or
GPIOC
6
ESSI1
or
GPIOD
Host
Interface
or
GPIOB
16
RSTO
DMA
6 channel
POR
Integration
Module
System
COP/
Watch-
dog
Time
of
Day
Clock
Generator
OSC PLL
2
IPBus CLK
COP/TOD CLK
Core CLK
used as GPIOA0-A3
IP
A
B
IPW
D
B
IPRD
B
DM
A
Req
ues
ts
GPIO Contol
56857 General Description
120 MIPS at 120MHz
40K x 16-bit Program SRAM
24K x 16-bit Data SRAM
1K x 16-bit Boot ROM
Six (6) independent channels of DMA
Two (2) Enhanced Synchronous Serial Interfaces
(ESSI)
Two (2) Serial Communication Interfaces (SCI)
Serial Port Interface (SPI)
Four (4) dedicated GPIO
8-bit Parallel Host Interface
General Purpose 16-bit Quad Timer
JTAG/Enhanced On-Chip Emulation (OnCE) for
unobtrusive, real-time debugging
Computer Operating Properly (COP)/Watchdog Timer
Time-of-Day (TOD)
100 LQFP package
Up to 47 GPIO
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