參數(shù)資料
型號(hào)： SC16C850IET,115
廠商： NXP Semiconductors
文件頁(yè)數(shù)： 55/55頁(yè)
文件大?。?/td> 0K
描述： IC UART SINGLE W/FIFO 36-TFBGA
標(biāo)準(zhǔn)包裝： 1,000
特點(diǎn)： 可編程
通道數(shù)： 1，UART
FIFO's： 128 字節(jié)
規(guī)程： RS485
電源電壓： 2.5 V ~ 3.3 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(cè)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： 36-TFBGA
供應(yīng)商設(shè)備封裝： 36-TFBGA（3.5x3.5）
包裝： 帶卷 (TR)
其它名稱： 935284685115
SC16C850IET-G
SC16C850IET-G-ND
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
9 of 55
NXP Semiconductors
SC16C850
2.5 to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
6.
Functional description
The SC16C850 provides serial asynchronous receive data synchronization,
parallel-to-serial and serial-to-parallel data conversions for both the transmitter and
receiver sections. These functions are necessary for converting the serial data stream into
parallel data that is required with digital data systems. Synchronization for the serial data
stream is accomplished by adding start and stop bits to the transmit data to form a data
character (character orientated protocol). Data integrity is ensured by attaching a parity bit
to the data character. The parity bit is checked by the receiver for any transmission bit
errors. The electronic circuitry to provide all these functions is fairly complex, especially
when manufactured on a single integrated silicon chip. The SC16C850 represents such
an integration with greatly enhanced features. The SC16C850 is fabricated with an
advanced CMOS process.
The SC16C850 is an upward solution to the SC16C650B that provides a single UART
capability with 128 bytes of transmit and receive FIFO memory, instead of 32 bytes for the
SC16C650B and 16 bytes in the SC16C550B. The SC16C850 is designed to work with
high speed modems and shared network environments that require fast data processing
time. Increased performance is realized in the SC16C850 by the transmit and receive
FIFOs. This allows the external processor to handle more networking tasks within a given
time. In addition, the four selectable receive and transmit FIFO trigger interrupt levels are
provided in 16C650 mode, or 128 programmable levels are provided in the extended
mode for maximum data throughput performance especially when operating in a
multi-channel environment (see Section 6.2 “Extended mode (128-byte FIFO)”). The FIFO
memory greatly reduces the bandwidth requirement of the external controlling CPU and
increases performance. A low power pin (LOWPWR) is provided to further reduce power
consumption by isolating the host bus interface.
The SC16C850 is capable of operation up to 5 Mbit/s with an external 80 MHz clock. With
a crystal, the SC16C850 is capable of operation up to 1.5 Mbit/s.
The rich feature set of the SC16C850 is available through internal registers. These
features are: selectable and programmable receive and transmit FIFO trigger levels,
selectable TX and RX baud rates, and modem interface controls, and are all standard
features. Following a power-on reset, an external reset, or a software reset, the
SC16C850 is software compatible with the previous generation, SC16C550B, and
SC16C650B.
6.1 UART selection
The UART provides the user with the capability to bidirectionally transfer information
between an external CPU, the SC16C850 package, and an external serial device. A
logic 0 (LOW) on chip select pin CS allows the user to configure, send data, and/or
receive data via the UART. Refer to Table 3 and Table 4.
Table 3.
Serial port selection (Intel interface)
H = HIGH; L = LOW.
Chip Select
Function
CS = H
none
CS = L
UART select
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SC16C850IET-G 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(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
SC16C850IET-S 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(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
SC16C850L 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:1.8 V single UART, 5 Mbit/s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode parallel bus interface
SC16C850LIB,128 制造商:NXP Semiconductors 功能描述:
SC16C850LIB,151 制造商:NXP Semiconductors 功能描述:
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