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56854 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc

Part No. 56854
Description  16-bit Digital Signal Controllers
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

56854 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc

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56854 Technical Data, Rev. 6
Freescale Semiconductor
3
56854 General Description
• 120 MIPS at 120MHz
• 16K x 16-bit Program SRAM
• 16K x 16-bit Data SRAM
• 1K x 16-bit Boot ROM
• Access up to 2M words of program or 8M data memory
• Chip Select Logic for glue-less interface to ROM and
SRAM
• Six (6) independent channels of DMA
• Enhanced Synchronous Serial Interfaces (ESSI)
• Two (2) Serial Communication Interfaces (SCI)
• Serial Port Interface (SPI)
• 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)
• 128 LQFP package
•Up to 41 GPIO
56854 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
External Address
Bus Switch
External Bus
Interface Unit
4
RESET
IRQA
IRQB
VDD VSSIO
VDDA VSSA
External Data
Bus Switch
Bus Control
WR Enable
RD Enable
CS0-CS3[3:0] or
A0-20 [20:0]
MODEA-C or
D0-D15 [15:0]
6
Program Memory
16,384 x 16 SRAM
Boot ROM
1024 x 16 ROM
Data Memory
16,384 x 16 SRAM
PDB
PDB
XAB1
XAB2
XDB2
CDBR
SPI
or
GPIOF
2 SCI
or
GPIOE
IPBus Bridge (IPBB)
3
(GPIOH0-H2)
6
10
VDDIO
11
Decoding
Peripherals
4
System
Bus
Control
Memory
PAB
PAB
CDBW
CDBR
CDBW
VSS
6
GPIOA0-GPIOA3[3:0]
6
ESSI0
or
GPIOC
Host
Interface
or
GPIOB
16
RSTO
DMA
6 channel
POR
Integration
Module
System
COP/
Watch-
dog
Time
of
Day
Clock
Generator
OSC PLL
IPBus CLK
COP/TOD CLK


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