ARM ARM7TDMI Datasheet download pdf (Page 12)

Introduction

ARM7TDMI Data Sheet

ARM DDI 0029E

1-4

Open Access

1.3 ARM7TDMI Block Diagram

Figure 1-1: ARM7TDMI block diagram

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•

Scan Chain 0

A[31:0]

Core

Scan Chain 1

D[31:0]

nOPC

nRW

All

Other

Signals

TCK TMS TDInTRST TDO

EXTERN1

EXTERN0

nTRANS

nMREQ

Scan Chain 2

ICEBreaker

TAP controller

MAS[1:0]

Bus Splitter

DIN[31:0]

DOUT[31:0]

RANGEOUT1

RANGEOUT0

TAPSM[3:0] IR[3:0]

SCREG[3:0]

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 41 42

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