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參數資料
| 型號： | SC16C850IBS |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | 2.5 V to 3.3 V UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and 16 mode or 68 mode parallel bus interface |
| 封裝： | SC16C850IBS<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html<1<Always Pb-free,;SC16C850IBS<SOT617-1 (HVQFN32)|<<http://www.nxp.com/packages/SOT617-1.html< |
| 文件頁數： | 30/55頁 |
| 文件大?。?/td> | 394K |
| 代理商： | SC16C850IBS |
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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
30 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
7.8 Modem Status Register (MSR)
This register shares the same address as EFCR register. This is a read-only register and
it provides the current state of the control interface signals from the modem, or other
peripheral device to which the SC16C850 is connected. Four bits of this register are used
to indicate the changed information. These bits are set to a logic 1 whenever a control
input from the modem changes state. These bits are set to a logic 0 whenever the CPU
reads this register.
When write, the data will be written to EFCR register.
Table 21.
Bit
7
[1]
Whenever any MSR bit 3:0 is set to logic 1, a Modem Status Interrupt will be generated.
Modem Status Register bits description
Symbol
Description
MSR[7]
CD. During normal operation, this bit is the complement of the CD input.
Reading this bit in the loopback mode produces the state of MCR[3] (OP2).
MSR[6]
RI. During normal operation, this bit is the complement of the RI input.
Reading this bit in the loopback mode produces the state of MCR[2] (OP1).
MSR[5]
DSR. During normal operation, this bit is the complement of the DSR input.
During the loopback mode, this bit is equivalent to MCR[0] (DTR).
MSR[4]
CTS. During normal operation, this bit is the complement of the CTS input.
During the loopback mode, this bit is equivalent to MCR[1] (RTS).
MSR[3]
Δ
CD
[1]
logic 0 = no CD change (normal default condition)
logic 1 = the CD input to the SC16C850 has changed state since the last
time it was read. A modem Status Interrupt will be generated.
MSR[2]
Δ
RI
[1]
logic 0 = no RI change (normal default condition)
logic 1 = the RI input to the SC16C850 has changed from a logic 0 to a
logic 1. A modem Status Interrupt will be generated.
MSR[1]
Δ
DSR
[1]
logic 0 = no DSR change (normal default condition)
logic 1 = the DSR input to the SC16C850 has changed state since the
last time it was read. A modem Status Interrupt will be generated.
MSR[0]
Δ
CTS
[1]
logic 0 = no CTS change (normal default condition)
logic 1 = the CTS input to the SC16C850 has changed state since the last
time it was read. A modem Status Interrupt will be generated.
6
5
4
3
2
1
0
相關PDF資料 |
PDF描述 |
|---|---|
| SC16C850IET | 2.5 V to 3.3 V UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and 16 mode or 68 mode parallel bus interface |
| SC16C850LIB | 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface |
| SC16C850LIBS | 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface |
| SC16C850LIET | 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface |
| SC16C850SVIBS | 1.8 V single UART, 20 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and XScale VLIO bus interface |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SC16C850IBS,128 | 功能描述:UART 接口集成電路 UART 1-CH 128Byte FIFO 2.5V/3.3V 32Pin RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SC16C850IBS,151 | 功能描述:UART 接口集成電路 16C 2.5-5V 5MBPS UART 128BFIFO RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SC16C850IBS,157 | 功能描述:UART 接口集成電路 UART1CH 128Byte FIFO 2.5V/3.3V 32-Pin RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SC16C850IBS/Q900,5 | 功能描述:UART 接口集成電路 3.3V 1CHAN 5Mbps RoHS:否 制造商:Texas Instruments 通道數量:2 數據速率: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 |
| SC16C850IBS/Q900,528 | 制造商:NXP Semiconductors 功能描述:Cut Tape 制造商:NXP Semiconductors 功能描述:0 |
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