参数资料
型号: ADSP-2191MKSTZ-160
厂商: Analog Devices Inc
文件页数: 32/48页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 144LQFP
标准包装: 1
系列: ADSP-21xx
类型: 定点
接口: 主机接口,SPI,SSP,UART
时钟速率: 160MHz
非易失内存: 外部
芯片上RAM: 160kB
电压 - 输入/输出: 3.00V,3.30V
电压 - 核心: 2.50V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
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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