參數(shù)資料
型號(hào): SC16C2552BIA44,512
廠商: NXP Semiconductors
文件頁數(shù): 14/37頁
文件大小: 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:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
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
21 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
7.9 Scratchpad Register (SPR)
The SC16C2552B provides a temporary data register to store 8 bits of user information.
7.10 Alternate Function Register (AFR)
This is a read/write register used to select specic modes of MF operation and to allow
both UART register’s sets to be written concurrently.
Table 19.
Alternate Function Register bit description
Bit
Symbol
Description
7:3
AFR[7:3]
Not used. All are initialized to logic 0.
2:1
AFR[2:1]
Selects a signal function for output on the MFA, MFB pins. These signal
functions are described as: OP2 (interrupt enable), BAUDOUT, or RXRDY.
Only one signal function can be selected at a time. See Table 20.
0
AFR[0]
When this bit is set, CPU can write concurrently to the same register in both
UARTs. This function is intended to reduce the dual UART initialization time.
It can be used by CPU when both channels are initialized to the same state.
The external CPU can set or clear this bit by accessing either register set.
When this bit is set, the Channel Select pin, CHSEL, still selects the channel
to be accessed during read operation. Setting or clearing this bit has no
effect on read operations. The user should ensure that LCR[7] of both
channels are in the same state before executing a concurrent write to the
registers at address 0, 1, or 2.
logic 0 = no concurrent write (normal default condition)
logic 1 = register set A and B are written concurrently with a single external
CPU I/O write operation.
Table 20.
MFA, MFB function selection
AFR[2]
AFR[1]
MF function
00
OP2
01
BAUDOUT
10
RXRDY
1
reserved
相關(guān)PDF資料
PDF描述
SC16C652BIBS,157 IC UART DUAL W/FIFO 32HVQFN
VI-23R-IY CONVERTER MOD DC/DC 7.5V 50W
SC16C852VIET,157 IC UART DUAL W/FIFO 36TFBGA
MS3102R32-8S CONN RCPT 30POS BOX MNT W/SCKT
MS3102E32-8S CONN RCPT 30POS BOX MNT W/SCKT
相關(guān)代理商/技術(shù)參數(shù)
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