参数资料
型号: MCP4725A3T-E/CH
厂商: Microchip Technology
文件页数: 22/50页
文件大小: 0K
描述: IC DAC 12BIT EE W/I2C SOT23-6
标准包装: 1
设置时间: 6µs
位数: 12
数据接口: EEPROM,I²C,串行
转换器数目: 1
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: SOT-23-6
供应商设备封装: SOT-23-6
包装: 标准包装
输出数目和类型: 1 电压,单极;1 电压,双极
采样率(每秒): *
产品目录页面: 673 (CN2011-ZH PDF)
配用: MCP4725DM-PTPLS-ND - BOARD DAUGHTER PICTAIL MCP4725
其它名称: MCP4725A3T-E/CHDKR
2009 Microchip Technology Inc.
DS22039D-page 29
MCP4725
7.5.5
ACKNOWLEDGE
Each receiving device, when addressed, is obliged to
generate an acknowledge after the reception of each
byte. The master device must generate an extra clock
pulse which is associated with this acknowledge bit.
The device that acknowledges, has to pull down the
SDA line during the acknowledge clock pulse in such a
way that the SDA line is stable LOW during the HIGH
period of the acknowledge related clock pulse. Of
course, setup and hold times must be taken into
account. During reads, a master must send an end of
data to the slave by not generating an acknowledge bit
on the last byte that has been clocked out of the slave.
In this case, the slave (MCP4725) will leave the data
line HIGH to enable the master to generate the STOP
condition.
FIGURE 7-3:
Data Transfer Sequence On The Serial Bus.
SCL
SDA
(A)
(B)
(D)
(A)
(C)
START
CONDITION
ADDRESS OR
ACKNOWLEDGE
VALID
DATA
ALLOWED
TO CHANGE
STOP
CONDITION
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