参数资料
型号: SC16C754BIA68,529
厂商: NXP Semiconductors
文件页数: 24/50页
文件大小: 0K
描述: IC UART QUAD 64BYTE 68PLCC
标准包装: 18
通道数: 4,QUART
FIFO's: 64 字节
电源电压: 2.5V,3.3V,5V
带自动流量控制功能:
带故障启动位检测功能:
带调制解调器控制功能:
安装类型: 表面贴装
封装/外壳: 68-LCC(J 形引线)
供应商设备封装: 68-PLCC
包装: 管件
其它名称: 935274938529
SC16C754BIA68-S
SC16C754BIA68-S-ND
SC16C754B_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 6 October 2008
30 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
7.9 Interrupt Identication Register (IIR)
The IIR is a read-only 8-bit register which provides the source of the interrupt in a
prioritized manner. Table 17 shows interrupt identication register bit settings.
The interrupt priority list is shown in Table 18.
Table 17.
Interrupt identication register bits description
Bit
Symbol
Description
7:6
IIR[7:6]
Mirror the contents of FCR[0].
5
IIR[5]
RTS/CTS LOW-to-HIGH change of state.
4
IIR[4]
1 = Xoff/special character has been detected.
3:1
IIR[3:1]
3-bit encoded interrupt. See Table 18.
0
IIR[0]
Interrupt status.
logic 0 = an interrupt is pending
logic 1 = no interrupt is pending
Table 18.
Interrupt priority list
Priority
level
IIR[5]
IIR[4]
IIR[3]
IIR[2]
IIR[1]
IIR[0]
Source of the interrupt
1
0
1
0
Receiver line status error
2
0
1
0
Receiver time-out interrupt
2
0
1
0
RHR interrupt
3
0
1
0
THR interrupt
4
0
Modem interrupt
5
0
1
0
Received Xoff signal/
special character
6
1
00000
CTS, RTS change of state from
active (LOW) to inactive (HIGH)
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SC16C754BIA68-T 功能描述:UART 接口集成电路 4CH. UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel
SC16C754BIB80 制造商:NXP Semiconductors 功能描述:IC UART QUAD 64BYTE FIFO 16C754 制造商:NXP Semiconductors 功能描述:IC, UART, QUAD, 64BYTE FIFO, 16C754 制造商:NXP Semiconductors 功能描述:IC, UART, QUAD, 64BYTE FIFO, 16C754; No. of Channels:4; Data Rate:5Mbps; Supply Voltage Min:2.25V; Supply Voltage Max:5.5V; Digital IC Case Style:LQFP; No. of Pins:80; Operating Temperature Min:-40C; Operating Temperature Max:85C; ;RoHS Compliant: Yes
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