参数资料
型号: AD6654BBC
厂商: Analog Devices Inc
文件页数: 65/88页
文件大小: 0K
描述: IC ADC 14BIT W/6CH RSP 256CSPBGA
标准包装: 1
位数: 14
采样率(每秒): 92.16M
数据接口: 串行,并联
转换器数目: 1
功率耗散(最大): 2.5W
电压电源: 模拟和数字
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 256-BGA,CSPBGA
供应商设备封装: 256-CSPBGA(17x17)
包装: 托盘
输入数目和类型: 1 个差分,单极
AD6654
Rev. 0 | Page 68 of 88
LSBFIRST Mode Using Single Byte Block Transfers
SerialWrite(0x98); //CRCF Start Address
SerialWrite(0x01);
SerialWrite(0x00);
SerialWrite(0x99); //CRCF Final Address
SerialWrite(0x01);
SerialWrite(N-1);
//N is the number of coefficients
for (i=0 ; i < N; i++) {
// writing registers
SerialWrite(0x9C);
//LSB written first
SerialWrite(0x01);
//data bits[7:0]
SerialWrite(coeff[i] & 0xFF);
SerialWrite(0x9D);
SerialWrite(0x01);
//data bits[15:8]
SerialWrite(coeff[i] >> 8 & 0xFF);
SerialWrite(0x9E);
//MSB written last
SerialWrite(0x01);
//data bits[23:16]
SerialWrite(coeff[i] >> 16 & 0xFF);
}
SerialWrite(0x98); //CRCF Start Address
SerialWrite(0x01);
SerialWrite(0x00);
SerialWrite(0x99); //CRCF Final Address
SerialWrite(0x01);
SerialWrite(N-1);
//N is the number of coefficients
for (i=0 ; i < N; i++) {
//reading registers
SerialWrite(0x9C);
//LSB readback first
SerialWrite(0x81);
//data bits[7:0]
Coeff[i] = SerialRead();
SerialWrite(0x9D);
SerialWrite(0x81);
//data bits[15:8]
Coeff[i] |= SerialRead() << 8;
SerialWrite(0x9E);
//MSB readback last
SerialWrite(0x81);
//data bits[23:16]
Coeff[i] |= SerialRead() << 16;
}
MSBFIRST Mode Using Multi Byte Block Transfers
SerialWrite(0x99); //CRCF Final Address
SerialWrite(0x02);
SerialWrite(N-1);
//N is the number of coefficients
SerialWrite(0x00);
for (i=0 ; i < N; i++) {
//writing registers
SerialWrite(0x9E);
SerialWrite(0x03);
//data bits[23:16]
SerialWrite(coeff[i] >> 16 & 0xFF);
//data bits[15:8]
SerialWrite(coeff[i] >> 8 & 0xFF);
//data bits[7:0]
SerialWrite(coeff[i] & 0xFF);
}
SerialWrite(0x99); //CRCF Final Address
SerialWrite(0x02);
SerialWrite(N-1);
//N is the number of coefficients
SerialWrite(0x00);
for (i=0 ; i < N; i++) {
//reading registers
SerialWrite(0x9E);
SerialWrite(0x83);
//data bits[23:16]
Coeff[i] = SerialRead() << 16;
//data bits[15:8]
Coeff[i] |= SerialRead() << 8;
//data bits[7:0]
Coeff[i] |= SerialRead();
}
LSBFIRST Mode Using Multi Byte Block Transfers
SerialWrite(0x98); //CRCF Start Address
SerialWrite(0x02);
SerialWrite(0x00);
SerialWrite(N-1);
//N is the number of coefficients
for (i=0 ; i < N; i++) {
//writing registers
SerialWrite(0x9C);
SerialWrite(0x03);
//data bits[7:0]
SerialWrite(coeff[i] & 0xFF);
//data bits[15:8]
SerialWrite(coeff[i] >> 8 & 0xFF);
//data bits[23:16]
SerialWrite(coeff[i] >> 16 & 0xFF);
}
SerialWrite(0x98); //CRCF Start Address
SerialWrite(0x02);
SerialWrite(0x00);
SerialWrite(N-1);
//N is the number of coefficients
for (i=0 ; i < N; i++) {
//reading registers
SerialWrite(0x9C);
SerialWrite(0x83);
//data bits[7:0]
Coeff[i] = SerialRead();
//data bits[15:8]
Coeff[i] |= SerialRead() << 8;
//data bits[23:16]
Coeff[i] |= SerialRead() << 16;
}
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