參數(shù)資料
型號： SC16C752BIBS
廠商： NXP Semiconductors N.V.
元件分類： 收發(fā)器
英文描述： 5 V, 2.2 V and 2.5 V dual UART, 5 Mbit-s (max.), with 64-byte FIFOs
封裝： SC16C752BIB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html<1<Always Pb-free,;SC16C752BIB48<SOT313-2 (LQFP48)|<<http://www.nxp.com/packages/SOT313-2.html&
文件頁數(shù)： 26/47頁
文件大?。?/td> 945K
代理商： SC16C752BIBS
SC16C752B
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 6 — 30 November 2010
26 of 47
NXP Semiconductors
SC16C752B
5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
7.7 Modem Status Register (MSR)
This 8-bit register provides information about the current state of the control lines from the
mode, data set, or peripheral device to the processor. It also indicates when a control
input from the modem changes state.
Table 15
shows Modem Status Register bit settings
per channel.
Table 15.
Bit
7
[1]
The primary inputs RIn, CDn, CTSn, DSRn are all active LOW, but their registered equivalents in the MSR
and MCR (in Loopback) registers are active HIGH.
Modem Status Register bits description
Symbol
Description
MSR[7]
CD (active HIGH, logic 1)
[1]
. This bit is the complement of the CDn input
during normal mode. During internal Loopback mode, it is equivalent to
MCR[3].
MSR[6]
RI (active HIGH, logic 1)
[1]
. This bit is the complement of the RIn input during
normal mode. During internal Loopback mode, it is equivalent to MCR[2].
MSR[5]
DSR (active HIGH, logic 1)
[1]
. This bit is the complement of the DSRn input
during normal mode. During Internal Loopback mode, it is equivalent MCR[0].
MSR[4]
CTS (active HIGH, logic 1)
[1]
. This bit is the complement of the CTSn input
during normal mode. During internal Loopback mode, it is equivalent to
MCR[1].
MSR[3]
Δ
CD. Indicates that CDn input (or MCR[3] in Loopback mode) has changed
state. Cleared on a read.
MSR[2]
Δ
RI. Indicates that RIn input (or MCR[2] in Loopback mode) has changed
state from LOW to HIGH. Cleared on a read.
MSR[1]
Δ
DSR. Indicates that DSRn input (or MCR[0] in Loopback mode) has changed
state. Cleared on a read.
Δ
CTS. Indicates that CTSn input (or MCR[1] in Loopback mode) has changed
state. Cleared on a read.
6
5
4
3
2
1
0
MSR[0]
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參數(shù)描述
SC16C752BIBS,128 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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
SC16C752BIBS,151 功能描述:UART 接口集成電路 2CH. UART 64B FIFO 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
SC16C752BIBS,157 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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
SC16C752BIBS-F 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH UART 64B FIFO 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
SC16C752BIBS-S 功能描述:UART 接口集成電路 2CH. UART 64B FIFO 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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