Computer Hardware User's Guide

32-Bit-Wide Memory Interface

10-25

TMS320C32 Enhanced External Memory Interface

For example, reading or writing to memory locations 904000h to 904004h

involves the pins listed in Table 10–9.

Table 10–9. Example of 32-Bit-Wide Memory With 32-Bit Data-Type Size

Internal

Address Bus

External

Address Pins

Active Strobe Byte Enable

Accessed

Data Pins

904000h 904000h STRB1_B0, STRB1_B1,

STRB1_B2

, and STRB1_B3

31–0

904001h 904001h STRB1_B0, STRB1_B1,

STRB1_B2

, and STRB1_B3

31–0

904002h 904002h STRB1_B0, STRB1_B1,

STRB1_B2

, and STRB1_B3

31–0

904003h 904003h STRB1_B0, STRB1_B1,

STRB1_B2

, and STRB1_B3

31–0

904004h 904004h STRB1_B0, STRB1_B1,

STRB1_B2, and STRB1_B3

31–0