參數(shù)資料
型號(hào)： SC16C850LIB
廠商： NXP Semiconductors N.V.
元件分類： 收發(fā)器
英文描述： 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface
封裝： SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIB<SOT313|<<<1<Always Pb-free,;SC16C850LIBS<SOT617-1 (HVQFN3
文件頁數(shù)： 28/55頁
文件大小： 1029K
代理商： SC16C850LIB
SC16C850L
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 1 February 2011
28 of 55
NXP Semiconductors
SC16C850L
1.8 V single UART with 128-byte FIFOs and IrDA encoder/decoder
Table 18.
LCR[1]
0
0
1
1
7.6 Modem Control Register (MCR)
This register controls the interface with the modem or a peripheral device.
Table 19.
Bit
7
LCR[1:0] word length
LCR[0]
0
1
0
1
Word length (bits)
5
6
7
8
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 22
).
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]
Interrupt type (Intel mode only). In Intel mode (16/68 = 1), this pin
determines the interrupt output pin configuration.
logic 0 = CMOS output
logic 1 = open-source. A 300
to 500
pull-down resistor is required.
In Motorola mode (16/68 = 0), the output is always open-drain.
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 SC16C850L 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]
OP2. This bit is used for internal Loopback mode only. In Loopback mode,
this bit is used to write the state of the modem CD interface signal.
MCR[2]
OP1. This bit is used for internal Loopback mode only. In 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
相關(guān)PDF資料
PDF描述
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
SC16C850VIBS 1.8 V single UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA), and XScale VLIO bus interface
SC16C852LIB 1.8 V dual UART, 5 Mbit-s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode bus interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C850LIB,128 制造商:NXP Semiconductors 功能描述:
SC16C850LIB,151 制造商:NXP Semiconductors 功能描述:
SC16C850LIB,157 制造商:NXP Semiconductors 功能描述:
SC16C850LIBS 功能描述:UART 接口集成電路 1.8V 1 CH UART 128B FIFO 5MBPS 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
SC16C850LIBS,115 功能描述:UART 接口集成電路 1.8V 1 CH 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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