參數(shù)資料
型號： SC16C752
廠商： NXP Semiconductors N.V.
英文描述： Dual UART with 64-byte FIFO
中文描述： 雙UART具有64字節(jié)FIFO
文件頁數(shù)： 24/47頁
文件大?。?/td> 604K
代理商： SC16C752
Philips Semiconductors
SC16C752
Dual UART with 64-byte FIFO
Product data
Rev. 04 — 20 June 2003
24 of 47
9397 750 11635
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
Remark:
The three error bits (parity, framing, break) may not be updated correctly in
the first read of the LSR when the input clock (XTAL1) is running faster than 36 MHz.
However, the second read is always correct. It is strongly recommended that when
using this device with a clock faster than 36 MHz, that the LSR be read twice and only
the second read be used for decision making. All other bits in the LSR are correct on
all reads.
7.6 Modem control register (MCR)
The MCR controls the interface with the mode, data set, or peripheral device that is
emulating the modem.
Table 14
shows modem control register bit settings.
[1]
MCR[7:5] can only be modified when EFR[4] is set, i.e., EFR[4] is a write enable.
Table 14:
Bit
7
Modem Control Register bits description
Symbol
Description
MCR[7]
[1]
Clock select.
Logic 0 = Divide-by-1 clock input.
Logic 1 = Divide-by-4 clock input.
MCR[6]
[1]
TCR and TLR enable.
Logic 0 = no action.
Logic 1 = Enable access to the TCR and TLR registers.
MCR[5]
[1]
Xon Any.
Logic 0 = Disable Xon Any function.
Logic 1 = Enable Xon Any function.
MCR[4]
Enable loop-back.
Logic 0 = Normal operating mode.
Logic 1 = Enable local loop-back mode (internal). In this mode the
MCR[3:0] signals are looped back into MSR[7:4] and the TX output
is looped back to the RX input internally.
MCR[3]
IRQ enable OP.
Logic 0 = Forces INTA-INTB outputs to the 3-State mode and OP
output to HIGH state.
Logic 1 = Forces the INTA-INTB outputs to the active state and OP
output to LOW state. In loop-back mode, controls MSR[7].
MCR[2]
FIFO Ready enable.
Logic 0 = Disable the FIFO Rdy register.
Logic 1 = Enable the FIFO Rdy register.
In loop-back mode, controls MSR[6].
MCR[1]
RTS
Logic 0 = Force RTS output to inactive (HIGH).
Logic 1 = Force RTS output to active (LOW).
In loop-back mode, controls MSR[4]. If Auto-RTS is enabled, the
RTS output is controlled by hardware flow control.
MCR[0]
DTR
Logic 0 = Force DTR output to inactive (HIGH).
Logic 1 = Force DTR output to active (LOW).
In loop-back mode, controls MSR[5].
6
5
4
3
2
1
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C752B 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
SC16C752B_10 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:5 V, 2.2 V and 2.5 V dual UART, 5 Mbit/s (max.), with 64-byte FIFOs
SC16C752BIB48 制造商:NXP Semiconductors 功能描述:IC UART DUAL 64BYTE FIFO 16C752 制造商:NXP Semiconductors 功能描述:IC, UART, DUAL, 64BYTE FIFO, 16C752 制造商:NXP Semiconductors 功能描述:IC, UART, DUAL, 64BYTE FIFO, 16C752, No. of Channels:2, Data Rate:5Mbps, Supply Voltage Min:2.25V, Supply Voltage Max:5.5V, Digital IC Case Style:LQFP, No. of Pins:48, Operating Temperature Min:-40C, Operating Temperature Max:85C, , RoHS Compliant: Yes
SC16C752BIB48,128 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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
SC16C752BIB48,151 功能描述:UART 接口集成電路 16CB 2.5V-5V 2CH 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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