参数资料
型号: AD6620AS
厂商: ANALOG DEVICES INC
元件分类: 微控制器/微处理器
英文描述: 65 MSPS Digital Receive Signal Processor
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP80
封装: PLASTIC, QFP-80
文件页数: 33/43页
文件大小: 354K
代理商: AD6620AS
AD6620
–33–
REV. 0
DATA VALID
t
SC
ADDRESS VALID
N
N+1
N+2
N+3
CLK
1
R/W
2
DS
2
CS
3
D[7:0]
DTACK
A[2:0]
t
SAM
N+4
N
t
HC
t
DD
t
HC
t
ZD
t
HA
t
DTACK
t
DTACK
NOTES:
1
DTACK
IS DRIVEN LOW ON THE RISING EDGE OF CLK "N+3" FOR INTERNAL ACCESS (A[2:0] = 000),
CLK "N=2" OTHERWISE.
2
THE SIGNAL, R/W MAY REMAIN HIGH AND
DS
MAY REMAIN LOW TO CONTINUE READ MODE.
3
CS
MUST RETURN TO HIGH STATE AND BE SAMPLED BY CLK (N+4 SHOWN) TO COMPLETE ACCESS
AND FORCE
DTACK
HIGH.
t
SC
t
ZR
Figure 50. Mode 1 Read (MODE = VDD)
Mode = 1
If the MODE input is held high the interface is in Mode 1. In
Mode 1 the
RD
signal becomes the data strobe (
DS
) and the
WR
signal becomes a read/write (R/W) select signal. In this
t
SC
N
N+1
N+2
N+3
t
SAM
N*
t
DTACK
t
SC
CLK
1
R/W
2
DS
2
CS
3
D[7:0]
DTACK
A[2:0]
t
HC
t
HC
t
DTACK
t
SAM
t
HM
t
HA
NOTES:
1
ON RISING EDGE OF "N+3" CLK,
DTACK
IS DRIVEN LOW.
2
THESE SIGNALS (R/W AND
DS
) MAY REMAIN IN LOW STATE TO CONTINUE WRITING DATA.
3
CS
MUST RETURN TO HIGH STATE AND BE SAMPLED BY CLK (N+3 SHOWN) TO COMPLETE WRITE
AND FORCE
DTACK
HIGH.
* THE NEXT WRITE MAY BE INITIATED ON CLK, N*.
DATA VALID
ADDRESS VALID
Figure 51. Mode 1 Write (MODE = VDD)
mode the
DTACK
signal goes low when data is available during
a read or when data has been latched during a write. The
DTACK
signal stays low until the
DS
signal is released.
相关PDF资料
PDF描述
AD6620S 65 MSPS Digital Receive Signal Processor
AD6620 65 MSPS Digital Receive Signal Processor(采样速率65MSPS的数字接收信号处理器)
AD6622AS Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP
AD6622PCB Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP
AD6622S Four-Channel, 75 MSPS Digital Transmit Signal Processor TSP
相关代理商/技术参数
参数描述
AD6620AS-REEL 制造商:Analog Devices 功能描述:Signal Processor 80-Pin PQFP T/R
AD6620ASZ 功能描述:IC DGTL RCVR DUAL 67MSPS 80-PQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 专用 系列:- 特色产品:NXP - I2C Interface 标准包装:1 系列:- 应用:2 通道 I²C 多路复用器 接口:I²C,SM 总线 电源电压:2.3 V ~ 5.5 V 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:剪切带 (CT) 安装类型:表面贴装 产品目录页面:825 (CN2011-ZH PDF) 其它名称:568-1854-1
AD6620ASZ-REEL 功能描述:IC DGTL RCVR DUAL 67MSPS 80-PQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 专用 系列:- 特色产品:NXP - I2C Interface 标准包装:1 系列:- 应用:2 通道 I²C 多路复用器 接口:I²C,SM 总线 电源电压:2.3 V ~ 5.5 V 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:剪切带 (CT) 安装类型:表面贴装 产品目录页面:825 (CN2011-ZH PDF) 其它名称:568-1854-1
AD6620PCB 制造商:AD 制造商全称:Analog Devices 功能描述:65 MSPS Digital Receive Signal Processor
AD6620S 制造商:AD 制造商全称:Analog Devices 功能描述:65 MSPS Digital Receive Signal Processor