Z80230 データシートの表示（PDF） - Zilog

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Z80230

Zilog SCC Serial Communication Controller

Zilog 

Application Note

Serial Communication Controller (SCC™): SDLC Mode of Operation

SDLC TRANSMIT

Figure 1 shows the time chart for the transmitting SDLC

packet under interrupt control. When transmit is engaged,

data is shifted out of the transmitter on the falling edge of

the transmit clock. Transitions on the diagram are shown

coincident with TxCLK fall — in actual practice, there are

some associated delay times (which are specified in the

data sheet).

6-94

Figure 1. Typical SDLC Trsnsmission Sequence

UM010901-0601

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