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| 型号： | LC89057W-VF4 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | 7 X 7 MM, SQFP-48 |
| 文件页数： | 27/61页 |
| 文件大小： | 570K |
| 代理商： | LC89057W-VF4 |
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LC89057W-VF4
No.7202-33/61
10.2 General Purpose I/Os (PIO0, PIO1, PIO2, PIO3 PIOEN)
10.2.1 Initial settings
The modulation function and general-purpose parallel I/Os share the same pins and therefore they cannot be used
simultaneously. To use the general-purpose I/Os, pull up
______
INT with a 10k
resistor. For further information about the
setting, see Chapter 8.
The general-purpose parallel I/O applies parallel-conversion to the serial data input from the microcontroller interface,
and outputs it from PIO0, PIO1, PIO2, and PIO3. The input function saves the parallel data input to PIO0, PIO1,
PIO2, and PIO3 in internal registers and reads the contents of these registers with the microcontroller interface.
4-bit general-purpose I/Os cannot be used with both input and output mixed. Switching between input and output is
done with PIOEN. When PIOEN is "H", all the general-purpose I/Os become input pins. When PIOEN is "L", all the
general-purpose I/Os become output pins.
10.2.2 Input/output settings
Data handling for general-purpose I/Os is done using the microcontroller interface and write/read registers. See
Chapter 11 Microcontroller Interface for details.
General-purpose I/O write settings (Microcontroller → Write register → General-purpose I/O output)
(1) To output data from general-purpose I/Os, set PIOEN to "L".
(2) Set the data to be output to CCB address 0xE8, command address 0x10, and input registers DI12 to DI15.
(3) During write operation, be sure to input "0" to DI8 to DI11 of modulation setting registers.
(4) The data written to PI0 to PI3 is output from the general-purpose I/Os.
General-purpose I/O read settings (General-purpose I/O input → Read register → Microcontroller)
(1) To input data to general-purpose I/Os, set PIOEN to "H".
(2) The input data is saved in CCB address 0xEB and output registers DO0 to DO3.
(3) Data can be sent to the microcontroller by reading PO0 to PO3.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LC89057W-VF4AD-E | 制造商:ON Semiconductor 功能描述: |
| LC89057W-VF4A-E | 功能描述:音频发送器、接收器、收发器 RoHS:否 制造商:Cirrus Logic 工作电源电压:3.3 V, 5 V 电源电流:11.8 mA 通道数量:1 最大工作温度:+ 70 C 接口类型:I2C, SPI 安装风格:SMD/SMT 封装 / 箱体:TSSOP-28 封装: |
| LC89057W-VF4A-TBM-E | 制造商:ON Semiconductor 功能描述: 制造商:ON Semiconductor 功能描述:AUDIO I/F RECEIVER |
| LC89058W | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:CMOS IC Digital Audio Interface Receiver |
| LC89058WA-E | 功能描述:音频发送器、接收器、收发器 RoHS:否 制造商:Cirrus Logic 工作电源电压:3.3 V, 5 V 电源电流:11.8 mA 通道数量:1 最大工作温度:+ 70 C 接口类型:I2C, SPI 安装风格:SMD/SMT 封装 / 箱体:TSSOP-28 封装: |
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