参数资料
型号: AD5066ARUZ-REEL7
厂商: Analog Devices Inc
文件页数: 13/24页
文件大小: 0K
描述: IC DAC 16BIT 2.7-5.5V QD 16TSSOP
标准包装: 1,000
系列: nanoDAC™
设置时间: 15µs
位数: 16
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 4
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 16-TSSOP
包装: 带卷 (TR)
输出数目和类型: 4 电压,双极
采样率(每秒): *
AD5066
Rev. A | Page 20 of 24
AD5066 to 80C51/80L51 Interface
Figure 45 shows a serial interface between the AD5066 and the
80C51/80L51 microcontroller. The setup for the interface is as
follows: TxD of the 80C51/80L51 drives SCLK of the AD5066,
RxD drives DIN on the AD5066, and a bit-programmable pin on
the port (P3.3) drives the SYNC signal. When data is to be
transmitted to the AD5066, P3.3 is taken low. The 80C51/80L51
transmit data in 8-bit bytes only; thus, only eight falling clock
edges occur in the transmit cycle. To load data to the DAC, P3.3
is left low after the first eight bits are transmitted, and a second,
third, and fourth write cycle is initiated to transmit the second,
third, and fourth byte of data. P3.3 is taken high following the
completion of this cycle. The 80C51/80L51 output the serial
data in a format that has the LSB first. The AD5066 must
receive data with the MSB first. The 80C51/80L51 transmit
routine should take this into account.
AD5066*
SYNC
P3.3
SCLK
TxD
DIN
RxD
*ADDITIONAL PINS OMITTED FOR CLARITY.
80C51/80L51*
06845-
011
Figure 45. AD5066 to 80C512/80L51 Interface
AD5066 to MICROWIRE Interface
Figure 46 shows an interface between the AD5066 and any
MICROWIRE-compatible device. Serial data is clocked into
the AD5066 on the falling edge of the SCLK.
AD5066*
SYNC
CS
DIN
SK
SCLK
SO
*ADDITIONAL PINS OMITTED FOR CLARITY.
MICROWIRE*
06845-
012
Figure 46. AD5066 to MICROWIRE Interface
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