参数资料
型号: ADSP-2191MKSTZ-160
厂商: ANALOG DEVICES INC
元件分类: 数字信号处理
英文描述: 16-bit Fixed-Point DSP, 160 MIPS, 160K bytes RAM; Package: 144 ld LQFP (20x20mm); No of Pins: 144; Temperature Range: Comm.
中文描述: 16-BIT, 100 MHz, OTHER DSP, PQFP144
封装: PLASTIC, LQFP-144
文件页数: 32/48页
文件大小: 1789K
代理商: ADSP-2191MKSTZ-160
ADSP-2191M
–38–
REV. A
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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