Computer Hardware User's Guide

8-Bit-Wide Memory Interface
10-37 TMS320C32 Enhanced External Memory Interface
For example, reading or writing to memory locations A04000h to A04001h
involves the pins listed in Table 10–16.
Table 10–16. Example of 32-Bit Data-Type Size and 8-Bit-Wide Memory
Internal
Address Bus
External
Address Pins
STRB0_B3/A
–1
STRB0_B3/A
–2
Active Strobe
Byte Enable
Accessed
Data Pins
A04000h
A04000h 0 0 STRB1_B0 D
7–0
A04000h 0 1 STRB1_B0 D
7–0
A04000h 1 0 STRB1_B0 D
7–0
A04000h 1 1 STRB1_B0 D
7–0
A04001h
A04001h 0 0 STRB1_B0 D
7–0
A04001h 0 1 STRB1_B0 D
7–0
A04001h 1 0 STRB1_B0 D
7–0
A04001h 1 1 STRB1_B0 D
7–0