adsp-bf548 Analog Devices, Inc., adsp-bf548 Datasheet - Page 63

• Manufacturer Part Number: adsp-bf548
• Description: Blackfin Embedded Processor
• Manufacturer: Analog Devices, Inc.

Universal Asynchronous Receiver-Transmitter
(UART) Ports—Receive and Transmit Timing
Figure 32
tions. The maximum baud rate is SCLK/16. There is some
latency between the generation of internal UART interrupts
describes the UART ports receive and transmit opera-
RECEIVE
TRANSMIT
UART TRANSMIT
UART RECEIVE
UARTx Tx
(SAMPLE
CLKOUT
UARTx Rx
INTERRUPT
CLOCK)
INTERRUPT
INTERNAL
ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
INTERNAL
START
Figure 32. UART Ports—Receive and Transmit Timing
Rev. A | Page 63 of 88 | October 2008
DATA(5-8)
DATA(5-8)
and the external data operations. These latencies are negligible
at the data transmission rates for the UART.
STOP
UART TRANSMIT BIT SET BY PROGRAM;
STOP (1-2)
CLEARED BY WRITE TO TRANSMIT
UART RECEIVE BIT SET BY
CLEARED BY FIFO READ
DATA STOP ;