dsp56800e Freescale Semiconductor, Inc, dsp56800e Datasheet - Page 33

• Manufacturer Part Number: dsp56800e
• Description: 16-bit Digital Signal Controller Core
• Manufacturer: Freescale Semiconductor, Inc

Flexible memory support is one of the strengths of the DSP56800E architecture. Supported memories
include:
The Freescale IP-BUS architecture supports a variety of on-chip peripherals. Among the peripherals
available on some devices that are based on the DSP56800E are the following:
Freescale Semiconductor
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Program RAM and ROM modules.
Data RAM and ROM modules.
Non-volatile memory (NVM) modules.
Bootstrap ROM for devices that execute code from RAM.
Phase-locked loop (PLL) module
16-bit timer module
Computer operating properly (COP) and real-time timer module
Program Control Unit
HWS0
HWS1
FIRA
LA2
LA
Manipulation
PC
JTAG TAP
Enhanced
OnCE™
OMR
LC2
SR
LC
Unit
FISR
Bit-
Figure 1-1. DSP56800E Core Block Diagram
Instruction
Decoder
Interrupt
Looping
Unit
Unit
DSP56800E Core
Y
A2
B2
C2
D2
MAC and ALU
Introduction
Generation
Address
C1
D1
A1
B1
Y1
Y0
X0
(AGU)
M01
Unit
N3
Multi-Bit Shifter
Arithmetic
Logic Unit
(ALU)
Data
ALU1
A0
B0
C0
D0
R0
R1
N
SP
R2
R3
R4
R5
ALU2
CDBW
CDBR
XDB2
Architectural Overview
XAB1
XAB2
PAB
PDB
Program
Interface
Interface
External
Memory
Memory
IP-BUS
Data
Bus
1-3