參數(shù)資料
型號(hào)： SC16C750BIB64
廠商： NXP Semiconductors N.V.
元件分類： 收發(fā)器
英文描述： 5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
封裝： SC16C750BIA44<SOT187-2 (PLCC44)|<<http://www.nxp.com/packages/SOT187-2.html<1<week 41, 2004,;SC16C750BIA44<SOT187-2 (PLCC44)|<<http://www.nxp.com/packages/SOT187-2.html&l
文件頁(yè)數(shù)： 8/44頁(yè)
文件大?。?/td> 212K
代理商： SC16C750BIB64
SC16C750B_5
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 05 — 17 October 2008
8 of 44
NXP Semiconductors
SC16C750B
5 V, 3.3 V and 2.5 V UART with 64-byte FIFOs
[1]
In Sleep mode, XTAL2 is left floating.
6.
Functional description
The SC16C750B 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 insured by attaching a parity bit
to the data character. The parity bit is checked by the receiver for any transmission bit
errors. The SC16C750B is fabricated with an advanced CMOS process to achieve low
drain power and high speed requirements.
The SC16C750B is an upward solution that provides 64 bytes of transmit and receive
FIFO memory, instead of none in the 16C450, or 16 bytes in the 16C550. The
SC16C750B is designed to work with high speed modems and shared network
environments that require fast data processing time. Increased performance is realized in
the SC16C750B by the larger transmit and receive FIFOs. This allows the external
processor to handle more networking tasks within a given time. In addition, the four
selectable levels of FIFO trigger interrupt and automatic hardware flow control is uniquely
provided for maximum data throughput performance, especially when operating in a
multi-channel environment. The combination of the above greatly reduces the bandwidth
requirement of the external controlling CPU, increases performance, and reduces power
consumption.
The SC16C750B is capable of operation up to 3 Mbit/s with a 48 MHz external clock input
(at 5 V).
TXRDY
27
13
15
O
Transmitter ready.
Transmitter DMA signaling is available with
TXRDY. When operating in the FIFO mode, one of two types of
DMA signaling can be selected using FCR[3]. When operating in
the 16C450 mode, only DMA mode 0 is allowed. Mode 0 supports
single-transfer DMA in which a transfer is made between CPU bus
cycles. Mode 1 supports multi-transfer DMA in which multiple
transfers are made continuously until the transmit FIFO has been
filled.
Power
2.5 V, 3 V or 5 V supply voltage.
Power
Ground voltage.
I
Write inputs.
When either IOW or IOW is active (LOW or HIGH,
respectively) and while the UART is selected, the CPU is allowed to
write control words or data into a selected UART register. Only one
of these inputs is required to transfer data during a write operation;
the other input should be tied to its inactive level (that is, IOW tied
LOW or IOW tied HIGH).
I
Crystal connection or External clock input.
O
Crystal connection or the inversion of XTAL1 if XTAL1 is
driven.
V
CC
GND
IOW
IOW
44
22
21
20
40
8
6
4
27
13
-
11
I
XTAL1
XTAL2
[1]
18
19
1
2
9
10
Table 2.
Symbol
Pin description
…continued
Pin
PLCC44 LQFP64
Type
Description
HVQFN32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C750BIB64,128 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C750BIB64,151 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C750BIB64,157 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C750BIB64-F 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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
SC16C750BIB64-S 功能描述:UART 接口集成電路 16CB 2.5V-5V 1CH 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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