参数资料
型号: SC16C754BIBM,151
厂商: NXP Semiconductors
文件页数: 20/50页
文件大小: 0K
描述: IC UART QUAD W/FIFO 64-LQFP
产品培训模块: Stand-Alone UARTs
标准包装: 250
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: 64-LQFP
供应商设备封装: 64-LQFP(7x7)
包装: 托盘
产品目录页面: 828 (CN2011-ZH PDF)
其它名称: 568-3290
935279069151
SC16C754BIBM-S
SC16C754B_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 6 October 2008
27 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
7.6 Modem Control Register (MCR)
The MCR controls the interface with the modem, 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 modied when EFR[4] is set, that is, EFR[4] is a write enable.
Table 14.
Modem control register bits description
Bit
Symbol
Description
7
MCR[7][1]
Clock select.
logic 0 = divide-by-1 clock input
logic 1 = divide-by-4 clock input
6
MCR[6][1]
TCR and TLR enable.
logic 0 = no action
logic 1 = enable access to the TCR and TLR registers
5
MCR[5][1]
Xon Any.
logic 0 = disable Xon Any function
logic 1 = enable Xon Any function
4
MCR[4]
Enable loopback.
logic 0 = normal operating mode
logic 1 = enable local loopback 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.
3
MCR[3]
IRQ enable OP.
logic 0 = forces INTA to INTD outputs to the 3-state mode and OP
output to HIGH state
logic 1 = forces the INTA to INTD outputs to the active state and OP
output to LOW state. In loopback mode, controls MSR[7].
2
MCR[2]
FIFO Ready enable.
logic 0 = disable the FIFO Rdy register
logic 1 = enable the FIFO Rdy register. In loopback mode, controls
MSR[6].
1
MCR[1]
RTS
logic 0 = force RTS output to inactive (HIGH)
logic 1 = force RTS output to active (LOW). In loopback mode, controls
MSR[4]. If auto-RTS is enabled, the RTS output is controlled by
hardware ow control.
0
MCR[0]
DTR
logic 0 = force DTR output to inactive (HIGH)
logic 1 = force DTR output to active (LOW). In loopback mode, controls
MSR[5].
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SC16C754IA68 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Quad UART with 64-byte FIFO
SC16C754IA68,512 功能描述:UART 接口集成电路 16C 2.5V-5V 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
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