ADSP-BF531WBBCZ-4A AD [Analog Devices], ADSP-BF531WBBCZ-4A Datasheet - Page 39
ADSP-BF531WBBCZ-4A
Manufacturer Part Number
ADSP-BF531WBBCZ-4A
Description
Blackfin Embedded Processor
Manufacturer
AD [Analog Devices]
Datasheet
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Universal Asynchronous Receiver-Transmitter
(UART) Port—Receive and Transmit Timing
Figure 24
The maximum baud rate is SCLK/16. As shown in
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.
TRANSMIT
describes UART port receive and transmit operations.
RECEIVE
(SAMPLE CLOCK)
RXD
UART RECEIVE
TXD
UART TRANSMIT
INTERRUPT
INTERNAL
INTERRUPT
INTERNAL
CLKOUT
START
Figure 24. UART Port—Receive and Transmit Timing
Figure 24
Rev. D | Page 39 of 60 | August 2006
DATA[8:5]
DATA[8:5]
STOP
STOP[2:1]
UART TRANSMIT BIT SET BY PROGRAM;
UART RECEIVE BIT SET BY DATA STOP;
CLEARED BY WRITE TO TRANSMIT
ADSP-BF531/ADSP-BF532
CLEARED BY FIFO READ
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