參數(shù)資料
型號(hào)： SC16C754BIA68
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 quad UART, 5 Mbit-s (max.) with 64-byte FIFOs
封裝： SC16C754BIA68<SOT188-2 (PLCC68)|<<http://www.nxp.com/packages/SOT188-2.html<1<Always Pb-free,;SC16C754BIA68<SOT188-2 (PLCC68)|<<http://www.nxp.com/packages/SOT188-2.html&
文件頁數(shù)： 14/51頁
文件大?。?/td> 253K
代理商： SC16C754BIA68
SC16C754B_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 6 October 2008
14 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
UART1 begins transmission and sends 52 characters, at which point UART2 will generate
an interrupt to its processor to service the RX FIFO, but assumes the interrupt latency is
fairly long. UART1 will continue sending characters until a total of 60 characters have
been sent. At this time, UART2 will transmit a 0Fh to UART1, informing UART1 to halt
transmission. UART1 will likely send the 61
st
character while UART2 is sending the Xoff
character. Now UART2 is serviced and the processor reads enough data out of the RX
FIFO that the level drops to 32. UART2 will now send a 0Dh to UART1, informing UART1
to resume transmission.
6.4 Reset
Table 4
summarizes the state of register after reset.
Remark:
Registers DLL, DLM, SPR, Xon1, Xon2, Xoff1, Xoff2 are not reset by the
top-level reset signal RESET, that is, they hold their initialization values during reset.
Table 5
summarizes the state of registers after reset.
Table 4.
Register
Interrupt enable register
Interrupt identification register
FIFO control register
Line control register
Modem control register
Line status register
Modem status register
Enhanced feature register
Receiver holding register
Transmitter holding register
Transmission control register
Trigger level register
Register reset functions
Reset control
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
Reset state
all bits cleared
bit 0 is set; all other bits cleared
all bits cleared
reset to 0001 1101 (1Dh)
all bits cleared
bit 5 and bit 6 set; all other bits cleared
bits 3:0 cleared; bits 7:4 input signals
all bits cleared
pointer logic cleared
pointer logic cleared
all bits cleared
all bits cleared
Table 5.
Signal
TX
RTS
DTR
RXRDY
TXRDY
Signal RESET functions
Reset control
RESET
RESET
RESET
RESET
RESET
Reset state
HIGH
HIGH
HIGH
HIGH
LOW
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SC16C754BIA68,512 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH 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
SC16C754BIA68,518 功能描述:UART 接口集成電路 4CH. 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
SC16C754BIA68,529 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH 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
SC16C754BIA68512 制造商:NXP Semiconductors 功能描述:IC QUAD UART FIFO 5MBPS 5.5V LCC-68
SC16C754BIA68-S 功能描述:UART 接口集成電路 16CB 2.5V-5V 4CH 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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