參數(shù)資料
型號： SC16C752BIBS,157
廠商： NXP Semiconductors
文件頁數(shù)： 47/47頁
文件大小： 0K
描述： IC DUAL UART 64BYTE 32HVQFN
標(biāo)準(zhǔn)包裝： 2,450
通道數(shù)： 2，DUART
FIFO's： 64 字節(jié)
電源電壓： 2.5V，3.3V，5V
帶自動流量控制功能： 是
帶故障啟動位檢測功能： 是
帶調(diào)制解調(diào)器控制功能： 是
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-HVQFN（5x5）
包裝： 托盤
其它名稱： 935276389157
SC16C752BIBS
SC16C752BIBS-ND
SC16C752B
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 6 — 30 November 2010
9 of 47
NXP Semiconductors
SC16C752B
5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
6.2.2 Auto-CTS
The transmitter circuitry checks CTSn before sending the next data byte. When CTSn is
active, the transmitter sends the next byte. To stop the transmitter from sending the
following byte, CTSn must be de-asserted before the middle of the last stop bit that is
currently being sent. The auto-CTS function reduces interrupts to the host system. When
flow control is enabled, CTSn level changes do not trigger host interrupts because the
device automatically controls its own transmitter. Without auto-CTS, the transmitter sends
any data present in the transmit FIFO and a receiver overrun error may result.
6.3 Software flow control
Software flow control is enabled through the enhanced feature register and the modem
control register. Different combinations of software flow control can be enabled by setting
different combinations of EFR[3:0]. Table 3 shows software flow control options.
When CTSn is LOW, the transmitter keeps sending serial data out.
When CTSn goes HIGH before the middle of the last stop bit of the current byte, the transmitter finishes sending the current
byte, but is does not send the next byte.
When CTSn goes from HIGH to LOW, the transmitter begins sending data again.
Fig 6.
CTS functional timing
Start
byte 0 to 7
Stop
TXn
CTSn
002aaa227
Start
byte 0 to 7
Stop
Table 3.
Software flow control options (EFR[0:3])
EFR[3]
EFR[2]
EFR[1]
EFR[0]
TX, RX software flow controls
0
X
no transmit flow control
1
0
X
transmit Xon1, Xoff1
0
1
X
transmit Xon2, Xoff2
1
X
transmit Xon1, Xon2, Xoff1, Xoff2
X
0
no receive flow control
X
1
0
receiver compared Xon1, Xoff1
X
0
1
receiver compares Xon2, Xoff2
10
11
transmit Xon1, Xoff1
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
01
11
transmit Xon2, Xoff2
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
1
transmit Xon1, Xon2, Xoff1, Xoff2
receiver compares Xon1 and Xon2, Xoff1 and Xoff2
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SC16C752BIBS-F 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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
SC16C752BIBS-S 功能描述:UART 接口集成電路 2CH. 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
SC16C752IB48 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual UART with 64-byte FIFO
SC16C752IB48,128 功能描述:UART 接口集成電路 Dual UART 64-byte 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
SC16C752IB48,151 功能描述:UART 接口集成電路 16C 2.5V-5V 2CH 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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