參數(shù)資料
型號(hào)： SC16C2552BIA44,512
廠商： NXP Semiconductors
文件頁(yè)數(shù)： 33/37頁(yè)
文件大?。?/td> 0K
描述： IC UART DUAL SOT187-2
標(biāo)準(zhǔn)包裝： 26
特點(diǎn)： 2 通道
通道數(shù)： 2，DUART
FIFO's： 16 字節(jié)
電源電壓： 2.5V，3.3V，5V
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： 44-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 44-PLCC
包裝： 管件
其它名稱： 935274408512
SC16C2552BIA44
SC16C2552BIA44-ND
SC16C2552B_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 12 February 2009
5 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
RTSA
36
O
Request to Send A, B (active LOW). These outputs are associated with individual UART
channels A through B. A logic 0 on the RTSn pin indicates the transmitter is ready to
transmit data. Writing a logic 1 in the modem control register MCR[1] will set this pin to a
logic 0, indicating that the transmitter is ready to transmit data. After a reset, this pin will be
set to a logic 1.
RTSB
23
O
RXA
39
I
Receive data A, B. These inputs are associated with individual serial channel data to the
SC16C2552B receive input circuits A through B. The RXn signal will be a logic 1 during
reset, idle (no data). During the local Loopback mode, the RXn input pin is disabled and TXn
data is connected to the UART RXn input, internally.
RXB
25
I
TXA
38
O
Transmit data A, B. These outputs are associated with individual serial transmit channel
data from the SC16C2552B. The TXn signal will be a logic 1 during reset, idle (no data), or
when the transmitter is disabled. During the local Loopback mode, the TXn output pin is
disabled and TXn data is internally connected to the UART RXn input.
TXB
26
O
TXRDYA1
O
Transmit Ready A, B (active LOW). These outputs provide the TX FIFO/THR status for
individual transmit channels (A, B). TXRDYn is primarily intended for monitoring
DMA mode 1 transfers for the transmit data FIFOs. An individual channel’s TXRDYA,
TXRDYB buffer ready status is indicated by logic 0, i.e., at least one location is empty and
available in the FIFO or THR. This signal can also be used for single mode transfers (DMA
mode 0).
TXRDYB
32
O
VCC
33, 44
I
Power supply input.
XTAL1
11
I
Crystal or external clock input. Functions as a crystal input or as an external clock input.
A crystal can be connected between this pin and XTAL2 to form an internal oscillator circuit.
Alternatively, an external clock can be connected to this pin to provide custom data rates.
XTAL2
13
O
Output of the crystal oscillator or buffered clock. (See also XTAL1.) Crystal oscillator
output or buffered clock output. Should be left open if an external clock is connected to
XTAL1.
Table 2.
Pin description …continued
Symbol
Pin
Type
Description
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參數(shù)描述
SC16C2552BIA44-T 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH UART 16B 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
SC16C2552CIA44,512 制造商:NXP Semiconductors 功能描述: 制造商:NXP Semiconductors 功能描述:SC16C2552CIA44/PLCC44/TUBEDP// - Rail/Tube
SC16C2552CIA44,518 制造商:NXP Semiconductors 功能描述:SC16C2552CIA44/PLCC44/REEL13DP// - Tape and Reel
SC16C2552CIA44,529 制造商:NXP Semiconductors 功能描述:SC16C2552CIA44/PLCC44/TUBESMDP// - Rail/Tube
SC16C2552IA44 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual UART with 16-byte transmit and receive FIFOs
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