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参数资料
| 型号： | MAX14830ETM+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | SERIAL COMM CONTROLLER, QCC48 |
| 封装： | 7 X 7 MM, ROHS COMPLIANT, TQFN-48 |
| 文件页数： | 59/68页 |
| 文件大小： | 2356K |
| 代理商： | MAX14830ETM+ |
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MAX14830
Quad Serial UART with 128-Word FIFOs
and Internal Oscillator
62
Single-Byte Read
With this operation the master sends an address and
receives 1 or 2 data bytes from the slave device
(Figure 24). The read byte procedure is as follows:
1) The master sends a START condition.
2) The master sends the 7-bit slave ID plus a write bit (low).
3) The addressed slave asserts an ACK on the data line.
4) The master sends the 8-bit register address
5) The active slave asserts an ACK on the data line only
if the address is valid (NAK if not).
6) The master sends a repeated START (Sr).
7) The master sends the 7-bit slave ID plus a read bit (high).
8) The addressed slave asserts an ACK on the data line.
9) The slave sends 8 data bits.
10) The master asserts a NACK on the data line.
11) The master generates a STOP condition.
Burst Read
With this operation the master sends an address and
receives multiple data bytes from the slave device
(Figure 25). The burst read procedure is as follows:
1) The master sends a START condition.
2) The master sends the 7-bit slave ID plus a write bit (low).
3) The addressed slave asserts an ACK on the data line.
4) The master sends the 8-bit register address.
5) The slave asserts an ACK on the data line only if the
address is valid (NAK if not).
6) The master sends a repeated START condition.
7) The master sends the 7-bit slave ID plus a read bit (high).
8) The slave asserts an ACK on the data line.
9) The slave sends 8 bits of data.
10) The master asserts an ACK on the data line.
11) Repeat 9 and 10 as needed.
12) The master generates a STOP condition.
Figure 24. Read Byte Sequence
Figure 25. Burst Read Sequence
S
Sr
DEVICE SLAVE ADDRESS - W
A
DEVICE SLAVE ADDRESS - R
READ SINGLE BYTE
A
REGISTER ADDRESS
A
8 DATA BITS
NA
FROM MASTER TO STAVE
FROM SLAVE TO MASTER
P
S
Sr
DEVICE SLAVE ADDRESS - W
A
DEVICE SLAVE ADDRESS - R
BURST READ
A
REGISTER ADDRESS
A
8 DATA BITS - 1
A
8 DATA BITS - 3
8 DATA BITS - 2
A
8 DATA BITS - N
A
FROM MASTER TO STAVE
FROM SLAVE TO MASTER
P
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14830ETM+ | 功能描述:UART 接口集成电路 Quad Serial UART w/128-Word FIFOs 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 |
| MAX14830ETM+T | 功能描述:UART 接口集成电路 Quad Serial UART w/128-Word FIFOs 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 |
| MAX14830EVKIT# | 功能描述:界面开发工具 MAX14830 Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX14830EVKIT+ | 制造商:Maxim Integrated Products 功能描述:QUAD UART EV-KIT WITH IO-LINK AND MULTIPROTOCOL - Boxed Product (Development Kits) |
| MAX1483C/D+ | 功能描述:RS-485接口IC low-power transceivers for RS-485 and RS-422 communication RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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