CDP6805E2CE 데이터 시트보기 (PDF) - InnovASIC, Inc

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CDP6805E2CE

Microprocessor Unit

InnovASIC, Inc 

IA6805E2

Microprocessor Unit

Data Sheet

As of Production Version 00

AS

DS

ADD_BUS_UNMUX[8:12]

IRQ_N__TCR7_N

n0

n1

n2

n3

n4

n5

n6

n7

n8

n9

NEXT OP CODE ADDRESS

T ILASL

1F (FF) 1F (FF)

(NOTE)

TDSLIH

INT ROUTINE

INT ROUTINE

LAST ADDRESS

STARTING ADDRESS

MUX_ADD_DATA[0:7]

SP PCL SP-1 PCH SP-2 X SP-3 A CC SP-4

NEW PCH

NEW PCL

NEXT OP CODE

FA (IRQ) FB (IRQ) 1ST OP

F8 (TIMER) F9 (TIMER) INT ROUTINE

80

RTI

OP CODE

RW_N

Note: tDSLIH- the interrupting device must release the IRQ_N line within this time to prevent subsequent recognition

of the same interrupt.

Figure 15. IRQ_n and TCR7_N Interrupt Timing

Figure 16. Power-On-Reset and RESET_n Timing

Copyright © 2002

innovASIC

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ENG21108140100

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