DSP56307

MOTOROLA

DSP56307EVM Product Brief

3

–

On-chip memories

•

64K on-chip RAM total

•

Program RAM, instruction cache, X data RAM, and Y data RAM are programmable:

•

192 x 24-bit bootstrap ROM

–

Off-chip memory expansion

•

Data memory expansion to two memory spaces of 16M

× 24-bit words each

–

16M x 24-bit for DRAM

–

4M x 24-bit for SRAM

•

Program memory expansion to one memory space of 16M

× 24-bit words

–

16M x 24-bit for DRAM

–

4M x 24-bit for SRAM

•

External memory expansion port

•

Chip select logic for glueless interface to static random access memory (SRAM)

•

On-chip DRAM Controller for glueless interface to dynamic random access memory

(DRAM)

–

On-chip peripherals

•

Enhanced DSP56000-like 8-bit parallel Host Interface (HI08)

•

Two Enhanced Synchronous Serial Interfaces (ESSI)

•

Serial Communications Interface (SCI) with baud rate generator

•

Triple timer module

•

Up to 34 programmable General-Purpose Input/Output (GPIO) pins, depending on which

peripherals are enabled

Program RAM

Size

Instruction

Cache Size

X Data RAM

Size*

Y Data RAM

Size*

Instruction

Cache

Switch

Mode

MSW1 MSW0

16K

× 24-bit

0

24K

× 24-bit

24K

× 24-bit

disabled

disabled

0/1

0/1

15K

× 24-bit

1024

× 24-bit

24K

× 24-bit

24K

× 24-bit

enabled

disabled

0/1

0/1

48K

× 24-bit

0

8K

× 24-bit

8K

× 24-bit

disabled

enabled

0

0

47K

× 24-bit

1024

× 24-bit

8K

× 24-bit

8K

× 24-bit

enabled

enabled

0

0

40K

× 24-bit

0

12K

× 24-bit

12K

× 24-bit

disabled

enabled

0

1

39K

× 24-bit

1024

× 24-bit

12K

× 24-bit

12K

× 24-bit

enabled

enabled

0

1

32K

× 24-bit

0

16K

× 24-bit

16K

× 24-bit

disabled

enabled

1

0

31K

× 24-bit

1024

× 24-bit

16K

× 24-bit

16K

× 24-bit

enabled

enabled

1

0

24K

× 24-bit

0

20K

× 24-bit

20K

× 24-bit

disabled

enabled

1

1

23K

× 24-bit

1024

× 24-bit

20K

× 24-bit

20K

× 24-bit

enabled

enabled

1

1

*Includes 4 K

× 24-bit shared memory (i.e., memory shared by the core and the EFCOP)

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com