Dsp56309 Block Diagram; Figure 1-1 Dsp56309 Block Diagram - Motorola DSP56309 User Manual

DSP56309 Overview

DSP56309 Block Diagram

1.8

DSP56309 BLOCK DIAGRAM

16
Host
Triple
Interface
Timer
HI08
Address
Generation
Unit
Six Channel
DMA Unit
Boot-
strap
ROM
Internal
Data
Bus
Switch
EXTAL
Clock
Generator
XTAL
PLL
2
RESET
PINIT/NMI
Note: See Section 1.6.6 On-Chip Memory on page 1-12 for details on memory size.
1-14
6 6 3
ESSI SCI
Interface
Interface
Peripheral
Expansion Area
Program Program
Interrupt Decode
Controller Controller
MODD/IRQA
MODC/IRQB
MODB/IRQC
MODA/IRQD

Figure 1-1 DSP56309 Block Diagram

DSP56309UM/D
Memory Expansion Area
Program
X Data
RAM
RAM
YAB
XAB
PAB
DAB
24-Bit
DSP56300
Core
DDB
YDB
XDB
PDB
GDB
Data ALU
Program
24 ´ 24 + 56 ® 56-bit MAC
Address
Two 56-bit Accumulators
Generator
56-bit Barrel Shifter
Y Data
RAM
External
18
Address
Bus
ADDRESS
Switch
External
Bus
13
Interface
&
I - Cache
CONTROL
Control
External
24
Data Bus
Switch
DATA
Power
Mgmt
6
JTAG
OnCEª
AA0456
MOTOROLA