参数资料
型号: SC16IS752IPW,112
厂商: NXP Semiconductors
文件页数: 26/60页
文件大小: 0K
描述: IC UART DUAL 12C/SPI 28TSSOP
产品培训模块: Stand-Alone UARTs
I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 51
特点: 低电流
通道数: 2,DUART
FIFO's: 64 字节
规程: RS232,RS485
电源电压: 2.5V, 3.3V
带自动流量控制功能:
带IrDA 编码器/解码器:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
产品目录页面: 828 (CN2011-ZH PDF)
配用: 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART
568-3510-ND - DEMO BOARD SPI/I2C TO UART
其它名称: 568-4016-5
935279292112
SC16IS752IPW
SC16IS752IPW-ND
SC16IS752_SC16IS762
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 9 — 22 March 2012
32 of 60
NXP Semiconductors
SC16IS752; SC16IS762
Dual UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
8.19 Extra Features Control Register (EFCR)
[1]
For SC16IS762 only.
8.20 Division registers (DLL, DLH)
These are two 8-bit registers which store the 16-bit divisor for generation of the baud clock
in the baud rate generator. DLH stores the most significant part of the divisor. DLL stores
the least significant part of the divisor.
Note that DLL and DLH can only be written to before Sleep mode is enabled (before
IER[4] is set).
Table 30.
Extra Features Control Register bits description
Bit
Symbol
Description
7
IRDA MODE
IrDA mode.
0 = IrDA SIR, 316 pulse ratio, data rate up to 115.2 kbit/s
1 = IrDA SIR, 14 pulse ratio, data rate up to 1.152 Mbit/s[1]
6-
reserved
5
RTSINVER
Invert RTS signal in RS-485 mode.
0: RTS = 0 during transmission and RTS = 1 during reception
1: RTS = 1 during transmission and RTS = 0 during reception
4
RTSCON
Enable the transmitter to control the RTS pin.
0: transmitter does not control RTS pin
1: transmitter controls RTS pin
3-
reserved
2
TXDISABLE
Disable transmitter. UART does not send serial data out on the
transmit pin, but the transmit FIFO will continue to receive data from
host until full. Any data in the TSR will be sent out before the
transmitter goes into disable state.
0: transmitter is enabled
1: transmitter is disabled
1
RXDISABLE
Disable receiver. UART will stop receiving data immediately once this
bit is set to 1, and any data in the TSR will be sent to the receive FIFO.
User is advised not to set this bit during receiving.
0: receiver is enabled
1: receiver is disabled
0
9-BIT MODE
Enable 9-bit or Multidrop mode (RS-485).
0: normal RS-232 mode
1: enables RS-485 mode
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