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| 型號(hào)： | SC16IS740IPW |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 連接器件 |
| 英文描述： | Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support |
| 封裝： | SC16IS740IPW/Q900<SOT403-1 (TSSOP16)|<<http://www.nxp.com/packages/SOT403-1.html<1<Always Pb-free,;SC16IS740IPW<SOT403-1 (TSSOP16)|<<http://www.nxp.com/packages/SOT403-1. |
| 文件頁數(shù)： | 30/62頁 |
| 文件大?。?/td> | 308K |
| 代理商： | SC16IS740IPW |
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SC16IS740_750_760_6
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 06 — 13 May 2008
30 of 62
NXP Semiconductors
SC16IS740/750/760
Single UART with I
2
C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
8.9 Interrupt Identification Register (IIR)
The IIR is a read-only 8-bit register which provides the source of the interrupt in a
prioritized manner.
Table 20
shows Interrupt Identification Register bit settings.
[1]
Modem interrupt status must be read via MSR register and GPIO interrupt status must be read via IOState
register.
[2]
Only available on SC16IS750/SC16IS760.
Table 20.
Bit
7:6
5:1
0
Interrupt Identification Register bits description
Symbol
Description
IIR[7:6]
mirror the contents of FCR[0]
IIR[5:1]
5-bit encoded interrupt. See
Table 21
.
IIR[0]
interrupt status
logic 0 = an interrupt is pending
logic 1 = no interrupt is pending
Table 21.
Priority
level
1
2
2
3
4
5
6
Interrupt source
IIR[5]
IIR[4]
IIR[3]
IIR[2]
IIR[1]
IIR[0]
Source of the interrupt
0
0
0
0
0
1
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
1
1
1
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
0
Receiver Line Status error
Receiver time-out interrupt
RHR interrupt
THR interrupt
modem interrupt
[1][2]
input pin change of state
[1][2]
received Xoff signal/
special character
CTS, RTS change of state
from active (LOW) to inactive
(HIGH)
7
1
0
0
0
0
0
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| SC16IS750IBS | Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support |
| SC16IS750IPW | Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support |
| SC16IS760IBS | Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support |
| SC16IS760IPW | Single UART with I2C-bus-SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16IS740IPW,112 | 功能描述:UART 接口集成電路 UART SINGLE W/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 |
| SC16IS740IPW,128 | 功能描述:UART 接口集成電路 I2C/SPI-SLAVEBRIDGE 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 |
| SC16IS740IPW/Q900, | 功能描述:UART 接口集成電路 I2C/SPI-UART BRIDGE W/IRDA 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 |
| SC16IS740IPW/Q900,128 | 制造商:NXP Semiconductors 功能描述:0 |
| SC16IS740IPW112 | 制造商:NXP Semiconductors 功能描述:IC SINGLE UART FIFO 5MBPS 3.6V TSSOP-16 制造商:NXP Semiconductors 功能描述:IC UART FIFO 5MBPS 3.6V 16TSSOP |
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