參數(shù)資料
型號: SC16C850IBS,128
廠商: NXP Semiconductors
文件頁數(shù): 30/55頁
文件大?。?/td> 0K
描述: IC UART SGL W/FIFO 32HVQFN
標準包裝: 6,000
特點: 可編程
通道數(shù): 1,UART
FIFO's: 128 字節(jié)
規(guī)程: RS485
電源電壓: 2.5 V ~ 3.3 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調制解調器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應商設備封裝: 32-HVQFN(5x5)
包裝: 帶卷 (TR)
SC16C850
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 11 November 2010
36 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
7.22 Advanced Feature Control Register 1 (AFCR1)
[1]
It takes 4 XTAL1 clocks to reset the device.
Table 32.
Advanced Feature Control Register 1 register bits description
Bit
Symbol
Description
7:5
AFCR1[7:5]
reserved
4
AFCR1[4]
Sleep RXLow. Program RX input to be edge-sensitive or level-sensitive.
logic 0 = RX input is level-sensitive. If RX pin is LOW, the UART will
not go to sleep. Once the UART is in Sleep mode, it will wake up if RX
pin goes LOW.
logic 1 = RX input is edge-sensitive. UART will go to sleep even if RX
pin is LOW, and will wake up when RX pin toggles.
3
AFCR1[3]
reserved
2
AFCR1[2]
RTS/CTS mapped to DTR/DSR. Switch the function of RTS/CTS to
DTR/DSR.
logic 0 = RTS and CTS signals are used for hardware flow control.
logic 1 = DTR and DSR signals are used for hardware flow control.
RTS and CTS retain their functionality.
1
AFCR1[1]
SReset. Software Reset. A write to this bit will reset the UART. Once the
UART is reset this bit is automatically set to 0.[1]
0
AFCR1[0]
TSR Interrupt. Select TSR interrupt mode
logic 0 = transmit empty interrupt occurs when transmit FIFO falls
below the trigger level or becomes empty.
logic 1 = transmit empty interrupt occurs when transmit FIFO falls
below the trigger level, or becomes empty and the last stop bit has
been shifted out of the Transmit Shift Register.
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