Z89321 查看數據表（PDF） - Zilog

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Z89321

16-BIT DIGITAL SIGNAL PROCESSORS

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Z89321/371/391

16-Bit Digital Signal Processors

TCY

CLOCK

SSET

SCLK

FS0, FS1

FSSET

TXD

TXSET

1

RXD

1

0

1

RXHOLD

RXSET

0

1

FSSET

0

1

0

1

Figure 10. CODEC Interface Timing

TCY

CLOCK

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INT 0,1,2

PROGRAM

ADDRESS

EXECUTE

INTSET

INTWidth

Fetch N –1

Fetch N

Fetch N +1

Fetch Int_Addr

Fetch I

Fetch I +1

Execute N –1

Execute N

CALL Int Routine

Execute Int Routine

Figure 11. Interrupt Timing

16

PRELIMINARY

DS97DSP0100

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