DSP56309EVM Freescale Semiconductor, DSP56309EVM Datasheet - Page 20

• Manufacturer Part Number: DSP56309EVM
• Description: KIT EVALUATION FOR XC56309
• Manufacturer: Freescale Semiconductor
• Type: DSPr

Specifications of DSP56309EVM

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Description/function: Audio DSPs
• Product: Audio Modules
• For Use With/related Products: DSP56309
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DSP56309 Overview
1.7 Internal Buses
To provide data exchange between the blocks, the DSP56309 implements the following buses:
The block diagram in Figure 1-1 illustrates these buses among other components. All internal
buses on the DSP56300 family members are 24-bit buses. The program data bus is also a 24-bit
bus.
1-10
Peripheral I/O expansion bus to peripherals
Program memory expansion bus to program ROM
X memory expansion bus to X memory
Y memory expansion bus to Y memory
Global data bus between PCU and other core structures
Program data bus for carrying program data throughout the core
X memory data bus for carrying X data throughout the core
Y memory data bus for carrying Y data throughout the core
Program address bus for carrying program memory addresses throughout the core
X memory address bus for carrying X memory addresses throughout the core
Y memory address bus for carrying Y memory addresses throughout the core.
DSP56309 User’s Manual, Rev. 1
Freescale Semiconductor