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参数资料
| 型号： | MAX3107EAG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/52页 |
| 文件大小： | 0K |
| 描述： | IC UART SPI/I2C 128 FIFO 24SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 58 |
| 特点： | 内部振荡器 |
| 通道数： | 4，QUART |
| FIFO's： | 128 字节 |
| 规程： | RS232，RS485 |
| 电源电压： | 2.35 V ~ 3.6 V |
| 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 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 管件 |
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SPI/I2C UART with 128-Word FIFOs
Crystal Oscillator
Set CLKSource[4]: ClockEn to 1 and CLKSource[1]:
CrystalEn to 1 to enable and select the crystal oscilla-
tor. The on-chip crystal oscillator has load capacitances
of 20pF integrated in both XIN and XOUT. Connect an
external crystal or ceramic oscillator between XIN and
XOUT.
External Clock Source
When an external clock signal is used, this should
be connected to XIN. Leave XOUT unconnected.
Set CLKSource[4]: ClockEn to 1 and CLKSource[1]:
CrystalEn to 0 to select external clocking.
PLL and Predivider
The internal predivider and PLL allow for a wide range
of external clock frequencies and baud rates. The PLL
can be configured to multiply the input clock rate by a
factor of 6, 48, 96, or 144 through PLLConfig[7:6]. The
predivider, located between the input clock and the PLL,
allows division of the input clock by a factor between 1
and 63 by writing to PLLConfig[5:0]. See the PLLConfig
register description for more information.
Fractional Baud-Rate Generator
The internal fractional baud-rate generator provides a
high degree of flexibility and high resolution in baud-
rate programming. The baud-rate generator has a 16-bit
integer divisor and a 4-bit word for the fractional divisor.
The fractional baud-rate generator can be used with the
external crystal or clock source.
The integer and fractional divisors are calculated through
the divisor, D:
REF
f
D
16 BaudRate
=
×
where fREF is the reference frequency input to the baud-
rate generator and D is the ideal divisor. fREF must be
less than 96MHz. In 2x and 4x rate modes, replace the
divisor 16 by 8 or 4, respectively.
The integer divisor portion, DIV, of the divisor, D, is
obtained by truncating D:
DIV = TRUNC(D)
Figure 6. Receive FIFO
Figure 7. Clock Selection Diagram
RECEIVE FIFO
FIFOTrgLvl[7:4]
TRIGGER
ISR[3]
WORD
ERROR 128
RxFIFOLvl
4
3
2
1
TIMEOUT
EMPTY
ERRORS
OVERRUN
LSR[1]
RECEIVED
DATA
RHR
RECEIVER
RX
I2C/SPI INTERFACE
LSR[0]
ISR[6]
LSR[5:2]
CURRENT FILL LEVEL
CRYSTAL
OSCILLATOR
XOUT
CrystalEn
XIN
BAUD-RATE
GENERATOR
ClockEn
PLLByps
PLLEn
PLL
DIVIDER
Maxim Integrated
17
MAX3107
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3107EAG+ | 功能描述:UART 接口集成电路 SPI/I2C Compatible 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 |
| MAX3107EAG+T | 功能描述:UART 接口集成电路 SPI/I2C Compatible 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 |
| MAX3107ETG/V+ | 功能描述:UART 接口集成电路 UART 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 |
| MAX3107ETG/V+T | 功能描述:UART 接口集成电路 SPI/IC UART with 128-Word FIFOs and Internal Oscillator 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 |
| MAX3107ETG+ | 功能描述:UART 接口集成电路 SPI/I2C Compatible 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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