参数资料
型号: XR16C2550IMTR-F
厂商: Exar Corporation
文件页数: 26/37页
文件大小: 0K
描述: IC UART FIFO 16B DUAL 48TQFP
标准包装: 1,500
特点: *
通道数: 2,DUART
FIFO's: 16 字节
规程: RS232,RS485
电源电压: 2.97 V ~ 5.5 V
带故障启动位检测功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 带卷 (TR)
XR16C2550
32
2.97V TO 5.5V DUART WITH 16-BYTE FIFO
REV. 1.0.2
FIGURE 22. TRANSMIT READY & INTERRUPT TIMING [FIFO MODE, DMA MODE ENABLED] FOR CHANNELS A & B
TX
TXRDY#
IOW#
INT*
TXDMA
D0:D7
S
D0:D7
T
D0:D7
S
D0:D7
S
T
D0:D7
S
T
D0:D7
S
T
Start
Bit
Stop
Bit
T
WRI
(Unloading)
(Loading data
into FIFO)
Last Data Byte
Transmitted
TX FIFO no
longer empty
TX FIFO
Empty
TX FIFO
Empty
T
S
T
SI
ISR is read
IER[1]
enabled
*INT is cleared when the ISR is read or when there is at least one character in the FIFO.
At least 1
empty location
in FIFO
T
SRT
TX FIFO
Full
T
WT
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