16-bit Digital Signal Controllers
56857
Data Sheet Technical Data
www.DataSheet4U.com
56800E 16-bit Digital Signal Controllers
DSP56857 Rev. 6 01/2007
...
Description
56857
Data Sheet Technical Data
www.DataSheet4U.com
56800E 16-bit Digital Signal Controllers
DSP56857 Rev. 6 01/2007
freescale.com
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
6
VDDIO 12
VDD 8
VSSIO 12
VSS VDDA 5
VSSA 2
JTAG/ Enhanced OnCE Program Controller and Hardware Looping Unit Address Generation Unit
16-Bit DSP56800E Core
Data ALU 16 x 16 + 36 Æ 36-Bit MAC Three 16-bit Input Registers Four 36-bit Accumulators Bit Manipulation Unit
PAB PDB CDBR CDBW
Memory
Program Memory 40,960 x 16 SRAM Boot ROM 1024 x 16 ROM Data Memory 24,576 x 16 SRAM
XDB2 XAB1 XAB2 PAB PDB CDBR CDBW
System Bus Control
DMA
6 channel
Core CLK
IPBus Bridge (IPBB)
IPWDB
Decoding Peripherals
IPRDB
IPAB
DMA Requests
IPBus CLK
POR
3
CLKO
MODEA-C or (GPIOH0-H2)
System COP/TOD CLK Integration Module
RSTO RESET EXTAL XTAL
CS0-CS3[3:0] used as GPIOA0-A3
GPIO Contol
2 SCI ESSI0 or or GPIOE GPIOC
ESSI1 or GPIOD
Quad Timer or GPIOG 4
SPI Host Interrupt or Int...
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