Atmel AT85DVK-07 Spécifications télécharger pdf (Page 197)

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AT85C51SND3Bx

7632A–MP3–03/06

Figure 91. Data Stream Transmission Flows

Send

STOP Command

Data Stream

Transmission

FIFO Filling

write 16 data to MMDAT

FIFO Empty?

HFRS = 1?

FIFO Filling

write 8 data to MMDAT

No More Data

To Send?

Start Transmission

DATEN = 1

a. Polling mode

Data Stream

Initialization

Start Transmission

DATEN = 1

Data Stream

Transmission ISR

FIFO Filling

write 8 data to MMDAT

Send

STOP Command

No More Data

To Send?

b. Interrupt mode

FIFO Empty?

HFRI = 1?

FIFO Filling

write 16 data to MMDAT

Unmask FIFO Empty

HFRM = 0

Mask FIFO Empty

HFRM = 1

1 2 ... 192 193 194 195 196 197 198 199 200 201 202 ... 262 263

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Atmel AT85DVK-07 Spécifications Page 197

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