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參數(shù)資料
| 型號(hào)： | SC16C852VIET |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 收發(fā)器 |
| 英文描述： | 1.8 V dual UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and XScale VLIO bus interface |
| 封裝： | SC16C852VIET<SOT912-1 (TFBGA36)|<<http://www.nxp.com/packages/SOT912-1.html<1<Always Pb-free,;SC16C852VIET<SOT912-1 (TFBGA36)|<<http://www.nxp.com/packages/SOT912-1.html& |
| 文件頁數(shù)： | 29/55頁 |
| 文件大?。?/td> | 390K |
| 代理商： | SC16C852VIET |
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SC16C852V
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 21 January 2011
29 of 55
NXP Semiconductors
SC16C852V
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
7.6 Modem Control Register (MCR)
This register controls the interface with the modem or a peripheral device.
Table 20.
Bit
7
Table 21.
MCR[3]
0
1
Modem Control Register bits description
Symbol Description
MCR[7]
Clock select
logic 0 = divide-by-1 clock input
logic 1 = divide-by-4 clock input
MCR[6]
IR enable (see
Figure 21
).
logic 0 = enable the standard modem receive and transmit input/output interface
(normal default condition)
logic 1 = enable infrared IrDA receive and transmit inputs/outputs. While in this
mode, the TX/RX output/inputs are routed to the infrared encoder/decoder. The
data input and output levels will conform to the IrDA infrared interface
requirement. As such, while in this mode, the infrared TX output will be a logic 0
during idle data conditions.
MCR[5]
Reserved; set to ‘0’.
MCR[4]
Loopback. Enable the local Loopback mode (diagnostics). In this mode the
transmitter output (TX) and the receiver input (RX), CTS, DSR, CD, and RI are
disconnected from the SC16C852V I/O pins. Internally the modem data and
control pins are connected into a loopback data configuration (see
Figure 9
). In
this mode, the receiver and transmitter interrupts remain fully operational. The
Modem Control Interrupts are also operational, but the interrupts’ sources are
switched to the lower four bits of the Modem Control. Interrupts continue to be
controlled by the IER register.
logic 0 = disable Loopback mode (normal default condition)
logic 1 = enable local Loopback mode (diagnostics)
MCR[3]
OP2A/OP2B, INT enable
logic 0 = forces INT (A, B) outputs to the 3-state mode and sets OP2A/OP2B to
a logic 1 (normal default condition)
logic 1 = forces the INT (A, B) outputs to the active mode and sets OP2A/OP2B
to a logic 0
Remark:
OP2A/OP2B pins do not exist on the TFBGA36 package.
MCR[2]
OP1A/OP1B are not available as an external signal in the SC16C852V. This bit is
instead used in the Loopback mode only. In the Loopback mode, this bit is used to
write the state of the modem RI interface signal.
MCR[1]
RTS
logic 0 = force RTS output to a logic 1 (normal default condition)
logic 1 = force RTS output to a logic 0
MCR[0]
DTR
logic 0 = force DTR output to a logic 1 (normal default condition)
logic 1 = force DTR output to a logic 0
6
5
4
3
2
1
0
Interrupt output control
INT (A, B) output
3-state
active
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C852VIET,115 | 功能描述:UART 接口集成電路 1.8V 2CH UART 128B 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 |
| SC16C852VIET,118 | 功能描述:UART 接口集成電路 UART 2-CH 128Byte FIFO 1.8V 36-Pin 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 |
| SC16C852VIET,151 | 功能描述:UART 接口集成電路 1.8V 2CH UART 128B 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 |
| SC16C852VIET,157 | 功能描述:UART 接口集成電路 1.8V 2CH UART 128B 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 |
| SC16C852VIET,515 | 制造商:NXP Semiconductors 功能描述: |
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