参数资料
型号: SC16IS752IPW,112
厂商: NXP Semiconductors
文件页数: 9/60页
文件大小: 0K
描述: IC UART DUAL 12C/SPI 28TSSOP
产品培训模块: Stand-Alone UARTs
I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 51
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IrDA 编码器/解码器:
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: 28-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
产品目录页面: 828 (CN2011-ZH PDF)
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: 568-4016-5
935279292112
SC16IS752IPW
SC16IS752IPW-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
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SC16IS752IPW-S 功能描述:IC UART DUAL I2C/SPI 28-TSSOP 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
SC16IS752IPW-T 功能描述:IC UART DUAL I2C/SPI 28-TSSOP 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
SC16IS760 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support