REV. 1.1.0 MCR[2]: OP1# / TCR and TLR Enable OP1# is not available as an output pin on the M1170. B" />
參數(shù)資料
型號： XR20M1170IG24
廠商： Exar Corporation
文件頁數(shù)： 26/56頁
文件大?。?/td> 0K
描述： IC UART FIFO I2C/SPI 64B 24TSSOP
產(chǎn)品變化通告： Leaded UART, V&I Obsolescence 11/Apr/2011
標(biāo)準(zhǔn)包裝： 62
特點(diǎn)： *
通道數(shù)： 1，UART
FIFO's： 64 字節(jié)
規(guī)程： RS485
電源電壓： 2.25 V ~ 3.6 V
帶自動(dòng)流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動(dòng)位檢測功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 24-TSSOP
包裝： 管件
XR20M1170
32
I2C/SPI UART WITH 64-BYTE FIFO
REV. 1.1.0
MCR[2]: OP1# / TCR and TLR Enable
OP1# is not available as an output pin on the M1170. But it is available for use during Internal Loopback Mode
(MCR[4] = 1). In the Internal Loopback Mode, this bit is used to write the state of the modem RI# interface
signal.
This bit is also used to select between the MSR and TCR registers at address offset 0x6 and the SPR and TLR
registers at address offset 0x7. Table 12 and Table 13 below shows how these registers are accessed.
TABLE 12: REGISTER AT ADDRESS OFFSET 0X6
EFR[4] MCR[2] Register at Address Offset 0x6
0
X
Modem Status Register (MSR)
1
0
Modem Status Register (MSR)
1
Trigger Control Register (TCR)
TABLE 13: REGISTER AT ADDRESS OFFSET 0X7
EFR[4] MCR[2] Register at Address Offset 0x7
0
X
Scratchpad Register (SPR)
1
0
Scratchpad Register (SPR)
1
Trigger Level Register (TLR)
MCR[3]: OP2#
OP2# is not available as an output on the M1170 but can be controlled in internal loopback mode.
Logic 0 = OP2# set HIGH(default).
Logic 1 = OP2# set LOW.
MCR[4]: Internal Loopback Enable
Logic 0 = Disable loopback mode (default).
Logic 1 = Enable local loopback mode, see loopback section and Figure 19.
MCR[5]: Xon-Any Enable (requires EFR bit-4=1 to write to this bit)
Logic 0 = Disable Xon-Any function (default).
Logic 1 = Enable Xon-Any function. In this mode, any RX character received will resume transmit operation.
The RX character will be loaded into the RX FIFO, unless the RX character is an Xon or Xoff character and
the M1170 is programmed to use the Xon/Xoff flow control.
MCR[6]: IR Mode Enable (requires EFR bit-4=1 to write to this bit)
This bit enables the infrared mode and/or controls the infrared mode after power-up. See “Section 2.15,
Infrared Mode” on page 20 for complete details.
Logic 0 = Reserved (default).
Logic 1 = Enable IR Mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XR20M1170IG24-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR20M1170IG24TR-F 制造商:Exar Corporation 功能描述:UART 1-CH 64Byte FIFO 1.8V/2.5V/3.3V 24-Pin TSSOP T/R 制造商:Exar Corporation 功能描述:XR20M1170IG24TR-F
XR20M1170IL16 制造商:EXAR 制造商全稱:EXAR 功能描述:I2C/SPI UART WITH 64-BYTE FIFO
XR20M1170IL16-F 功能描述:UART 接口集成電路 UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
XR20M1170IL16TR-F 功能描述:UART 接口集成電路 1.8V, 1 Ch. 64 Byte I2C / SPI UART RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel
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