参数资料
型号: AD6654CBC
厂商: Analog Devices Inc
文件页数: 85/88页
文件大小: 0K
描述: IC ADC 14BIT W/4CH 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 86 of 88
In the Intel mode microport, the beginning of a read and
write access is indicated by the RDY pin going low. The
access is complete only when the RDY pin goes high. In the
Motorola mode microport, the completion of a read and
write access is indicated by the DTACK pin going low. In
both modes, CS, RD (DS), and WR (R/W) should be active
until access is complete; otherwise, an incomplete access
results.
In both Intel and Motorola modes, if CS is held low even
after microport read or write access is complete, the
microport initiates a second access. This is a problem while
writing or reading from coefficient RAM, where each access
writes to or reads from a different RAM address. This can
be fixed by writing to one coefficient RAM address at a
time, that is, the coefficient start and stop address registers
have the same value.
In SPI mode programming, the SCS pin must go high
(inactive) after writing or reading each byte (eight clock
cycles on the SCLK pin).
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