GDC21D601 View Datasheet(PDF) - Hyundai Micro Electronics

Part Name

Description

Manufacturer

GDC21D601

32-Bit RISC MCU

Hyundai Micro Electronics 

3. Core Block Diagram

A [31:0]

ALE

ABE

Address Register

P

C

b

u

Address

Incrementer

s

A

L

Register Bank

(31 x 32-bit registers)

U

(6 status registers)

b

u

s

A

b

u

s

32 x 8

Multiplier

Barrel Shifter

32-bit ALU

Scan

I Control

n

c

r

e

m

e

n

t

e

Instruction

r Decoder

b

&

u Control

s

Logic

B

b

u

s

DBGRQI

BREAKPTI

DBGACK

ECLK

nEXEC

ISYNC

BL [3:0]

APE

MCLK

nWAIT

nIRQ

nFIQ

nRESET

ABORT

SEQ

LOCK

nCPI

CPA

CPB

nM [4:0]

TBE

TBIT

HIGHZ

Write Data Register

Instruction Pipeline

& Read Data Register

& Thumb Instruction Decoder

nENOUT DBE nENIN

D [31:0]

Core

GDC21D601

ScanChain2

ICE

Breaker

RANGEOUT0

RANGEOUT1

ESTERN1

EXTERN0

nRW

MAS [1:0]

nTRANS

nMREQ

nOPC

A [0:31]

Bus

Splitter

D [0:31]

DIN [0:31]

DOUT [0:31]

Scan

Chain 0

Scan

Chain 1

TAP Controller

SCREG [3:0]

IR [3:0] TASPM [3:0]

TDO TDI nTRST TMS TCK

Figure 2. ARM7TDMI Core Block Diagram

26

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