参数资料
型号: SC16IS762IBS,128
厂商: NXP Semiconductors
文件页数: 9/60页
文件大小: 0K
描述: IC DUAL UART 64BYTE 32HVQFN
标准包装: 1,500
特点: 低电流
通道数: 2,DUART
FIFO's: 64 字节
规程: RS232,RS485
电源电压: 2.5V, 3.3V
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: 32-VFQFN 裸露焊盘
供应商设备封装: 32-HVQFN(5x5)
包装: 带卷 (TR)
配用: 568-4000-ND - DEMO BOARD SPI/I2C TO DUAL UART
568-3510-ND - DEMO BOARD SPI/I2C TO UART
其它名称: 935279293128
SC16IS762IBS-F
SC16IS762IBS-F-ND
SC16IS752_SC16IS762
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 9 — 22 March 2012
17 of 60
NXP Semiconductors
SC16IS752; SC16IS762
Dual UART with I2C-bus/SPI interface, 64-byte FIFOs, IrDA SIR
Figure 10 shows the internal prescaler and baud rate generator circuitry.
DLL and DLH must be written to in order to program the baud rate. DLL and DLH are the
least significant and most significant byte of the baud rate divisor. If DLL and DLH are both
zero, the UART is effectively disabled, as no baud clock will be generated.
Remark: The programmable baud rate generator is provided to select both the transmit
and receive clock rates.
Table 7 and Table 8 show the baud rate and divisor correlation for crystal with frequency
1.8432 MHz and 3.072 MHz, respectively.
Figure 11 shows the crystal clock circuit reference.
Fig 10. Prescaler and baud rate generator block diagram
Table 7.
Baud rates using a 1.8432 MHz crystal
Desired baud rate
(bit/s)
Divisor used to generate
16
clock
Percent error difference
between desired and actual
50
2304
0
75
1536
0
110
1047
0.026
134.5
857
0.058
150
768
0
300
384
0
600
192
0
1200
96
0
1800
64
0
2000
58
0.69
2400
48
0
3600
32
0
4800
24
0
7200
16
0
9600
12
0
19200
6
0
38400
3
0
56000
2
2.86
BAUD RATE
GENERATOR
LOGIC
MCR[7] = 1
MCR[7] = 0
PRESCALER
LOGIC
(DIVIDE-BY-1)
INTERNAL
OSCILLATOR
LOGIC
002aaa233
XTAL1
XTAL2
input clock
PRESCALER
LOGIC
(DIVIDE-BY-4)
reference
clock
internal
baud rate
clock for
transmitter
and receiver
相关PDF资料
PDF描述
SC16C852VIBS,528 IC UART DUAL W/FIFO 48-HVQFN
SC16C852VIBS,557 IC UART DUAL W/FIFO 48-HVQFN
SC16C2550BIBS,128 IC UART DUAL W/FIFO 32-HVQFN
D38999/20FE26PN CONN RCPT 26POS WALL MNT W/PINS
VE-B4Z-IY CONVERTER MOD DC/DC 2V 20W
相关代理商/技术参数
参数描述
SC16IS762IBS151 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述:
SC16IS762IBS-F 功能描述:UART 接口集成电路 I2C/SPI-UARTBRIDGE W/IRDA AND GPIO 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
SC16IS762IBS-T 功能描述:IC UART DUAL I2C/SPI 32-HVQFN RoHS:是 类别:集成电路 (IC) >> 接口 - UART(通用异步接收器/发送器) 系列:- 标准包装:250 系列:- 特点:* 通道数:2,DUART FIFO's:16 字节 规程:RS232,RS485 电源电压:2.25 V ~ 5.5 V 带并行端口:- 带自动流量控制功能:是 带IrDA 编码器/解码器:是 带故障启动位检测功能:是 带调制解调器控制功能:是 带CMOS:是 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP(7x7) 包装:托盘 其它名称:XR16L2551IM-F-ND
SC16IS762IPW 功能描述:UART 接口集成电路 DUAL UART 64BYTE 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
SC16IS762IPW,112 功能描述:UART 接口集成电路 DUAL UART 64BYTE 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