Texas Instruments TMS320C3x 사용자 설명서

Texas Instruments

Memory Organization

2-14

Figure 2–5. Memory Organization of the TMS320C30

RDY

HOLD

HOLDA

STRB

R/W

D31–D0

A23–A0

XRDY
MSTRB
IOSTRB
XR/W
XD31–XD0
XA12–XA0

DMAADDR bus

DMADATA bus

DADDR2 bus

DADDR1 bus

DDATA bus

PADDR bus

PDATA bus

Program counter/

instruction register

CPU

DMA

controller

32

24

24

32

24

24

32

32

24

32

24

24

32

24

32

Peripheral bus

Multiplexer

Multiplexer

Cache

(64 32)

RAM

block 0

(1K 32)

RAM

block 1

(1K 32)

ÉÉÉÉÉ

ÉÉÉÉÉ

ÉÉÉÉÉ

ÉÉÉÉÉ

ÉÉÉÉÉ

ÉÉÉÉÉ

ROM block

(4K 32)