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Signal Controllers. 56855 Datasheet

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Signal Controllers. 56855 Datasheet






56855 Controllers. Datasheet pdf. Equivalent




56855 Controllers. Datasheet pdf. Equivalent





Part

56855

Description

16-bit Digital Signal Controllers



Feature


56855 Data Sheet Technical Data www.Dat aSheet4U.com 56800E 16-bit Digital Sig nal Controllers DSP56855 Rev. 6 01/200 7 freescale.com 56855 General Descrip tion • 120 MIPS at 120MHz • 24K x 1 6-bit Program SRAM • 24K x 16-bit Dat a SRAM • 1K x 16-bit Boot ROM • Acc ess up to 2M words of program memory or 8M words of data memory • Chip Selec t Logic for glueless interface.
Manufacture

Freescale Semiconductor

Datasheet
Download 56855 Datasheet


Freescale Semiconductor 56855

56855; to ROM and SRAM • Six (6) independent channels of DMA • Enhanced Synchrono us Serial Interface (ESSI) • Two (2) Serial Communication Interfaces (SCI) General Purpose 16-bit Quad Timer wi th 1 external pin • JTAG/Enhanced On- Chip Emulation (OnCE™) for unobtrusiv e, real-time debugging • Computer Ope rating Properly (COP)/Watchdog Timer Time-of-Day (TOD) • 100 LQFP pac.


Freescale Semiconductor 56855

kage • Up to 18 GPIO 6 VDDIO 10 VDD 4 VSSIO 10 VSS VDDA 4 VSSA JTAG/ E nhanced OnCE Program Controller and Har dware Looping Unit Address Generation U nit 16-Bit DSP56800E Core Data ALU 16 x 16 + 36 → 36-Bit MAC Three 16-bit I nput Registers Four 36-bit Accumulators Bit Manipulation Unit PAB PDB CDBR CD BW Memory Program Memory 24,576 x 16 S RAM Boot ROM 1024 x 16.


Freescale Semiconductor 56855

ROM Data Memory 24,576 x 16 SRAM XDB2 XAB1 XAB2 PAB PDB CDBR CDBW System Bus Control DMA 6 channel Core CLK IPBu s Bridge (IPBB) IPWDB Decoding Periphe rals A0-20 [20:0] D0-D15 [15:0] RD Enab le WR Enable CS0-CS3[3:0] or GPIOA0-GPI OA3[3:0] Bus Control External Address B us Switch External Data Bus Switch Exte rnal Bus Interface Unit 2 SCI ESSI0 or or GPIOE GPIOC IP.

Part

56855

Description

16-bit Digital Signal Controllers



Feature


56855 Data Sheet Technical Data www.Dat aSheet4U.com 56800E 16-bit Digital Sig nal Controllers DSP56855 Rev. 6 01/200 7 freescale.com 56855 General Descrip tion • 120 MIPS at 120MHz • 24K x 1 6-bit Program SRAM • 24K x 16-bit Dat a SRAM • 1K x 16-bit Boot ROM • Acc ess up to 2M words of program memory or 8M words of data memory • Chip Selec t Logic for glueless interface.
Manufacture

Freescale Semiconductor

Datasheet
Download 56855 Datasheet




 56855
56855
Data Sheet
Technical Data
56800E
16-bit Digital Signal Controllers
www.DataSheet4U.com
DSP56855
Rev. 6
01/2007
freescale.com




 56855




 56855
56855 General Description
• 120 MIPS at 120MHz
• 24K x 16-bit Program SRAM
• 24K x 16-bit Data SRAM
• 1K x 16-bit Boot ROM
• Access up to 2M words of program memory or 8M
words of data memory
• Chip Select Logic for glueless interface to ROM and
SRAM
• Six (6) independent channels of DMA
• Enhanced Synchronous Serial Interface (ESSI)
• Two (2) Serial Communication Interfaces (SCI)
• General Purpose 16-bit Quad Timer with 1 external pin
• 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 18 GPIO
Memory
Program Memory
24,576 x 16 SRAM
Boot ROM
1024 x 16 ROM
Data Memory
24,576 x 16 SRAM
6
JTAG/
Enhanced
OnCE
VDDIO
10
VDD
4
VSSIO
10
VSS VDDA
4
VSSA
16-Bit
DSP56800E Core
Program Controller
and
Hardware Looping Unit
Address
Generation Unit
Data ALU
16 x 16 + 36 36-Bit MAC
Three 16-bit Input Registers
Four 36-bit Accumulators
Bit
Manipulation
Unit
PAB
PDB
CDBR
CDBW
XDB2
XAB1
XAB2
PAB
PDB
CDBR
CDBW
System
Bus
Control
DMA
6 channel
Core CLK
IPBus Bridge (IPBB)
Decoding
Peripherals
A0-20 [20:0]
D0-D15 [15:0]
RD Enable
WR Enable
CS0-CS3[3:0] or
GPIOA0-GPIOA3[3:0]
External Address
Bus Switch
External Data External Bus
Bus Switch Interface Unit
Bus Control
2 SCI ESSI0
or or
GPIOE GPIOC
Quad
Timer
or
GPIOG
Interrupt
Controller
46
IRQA
IRQB
56855 Block Diagram
COP/
Watch-
dog
IPBus CLK
POR
System
COP/TOD CLK Integration
Module
3
CLKO
MODEA-C or
(GPIOH0-H2)
RSTO
RESET
Time
of
Day
Clock
Generator
OSC PLL
EXTAL
XTAL
Freescale Semiconductor
56855 Technical Data, Rev. 6
3



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