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ADSP-2191M Fiches technique(PDF) 39 Page - Analog Devices

No de pièce ADSP-2191M
Description  DSP Microcomputer
PDF  52 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

ADSP-2191M Fiches technique(HTML) 39 Page - Analog Devices

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ADSP-2191M
Universal Asynchronous Receiver-Transmitter (UART) Port—Receive and Transmit Timing
Figure 23 describes UART port receive and transmit operations. The maximum baud rate is HCLK/16. As shown in Figure 23 there
is some latency between the generation internal UART interrupts and the external data operations. These latencies are negligible at
the data transmission rates for the UART.
Figure 23. UART Port—Receive and Transmit Timing
RXD
DATA(5–8)
INTERNAL
UART RECEIVE
INTERRUPT
UART RECEIVE BIT SET BY DATA STOP;
CLEARED BY FIFO READ
HCLK
(SAMPLE
CLOCK)
TXD
DATA(5–8)
STOP (1–2)
INTERNAL
UART TRANSMIT
INTERRUPT
UART TRANSMIT BIT SET BY PROGRAM;
CLEARED BY WRITE TO TRANSMIT
START
STOP
TRANSMIT
RECEIVE
AS DATA
WRITTEN TO
BUFFER



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