AD6654BBC Analog Devices Inc, AD6654BBC Datasheet - Page 69
AD6654BBC
Manufacturer Part Number
AD6654BBC
Description
IC ADC 14BIT W/6CH RSP 256CSPBGA
Manufacturer
Analog Devices Inc
Datasheet
1.AD6654CBCZ.pdf
(88 pages)
Specifications of AD6654BBC
Number Of Bits
14
Sampling Rate (per Second)
92.16M
Data Interface
Serial, Parallel
Number Of Converters
1
Power Dissipation (max)
2.5W
Voltage Supply Source
Analog and Digital
Operating Temperature
-25°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
256-CSPBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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CONNECTING THE AD6654 SERIAL PORT TO A
BLACKFIN DSP
In SPI mode, the Blackfin DSP must act as a master to the
AD6654 by providing the SCLK. SDO is an open-drain output,
so that multiple slave devices can be connected together.
Figure 73 shows a typical connection.
BLACKFIN
(MASTER)
Figure 73. SPI Mode Serial Port Connection to Blackfin DSP
SCK
SPISS
MOSI
MISO
PF2
PROGRAMMABLE FLAG
MODE
SCLK
SRFS
STFS
AND
SDO
SCS
SDI
AD6654
(SLAVE)
SMODE
VDDIO
GND
Rev. 0 | Page 69 of 88
In SPORT mode, the Blackfin provides the SCLK, SRFS, and
STFS signals, as shown in Figure 74.
BLACKFIN
Figure 74. SPORT Mode Serial Port Connections to Blackfin
SCK
TFS
RFS
DT
DR
PF2
PROGRAMMABLE FLAG
MODE
SCLK
SRFS
STFS
SDO
SCS
SDI
AD6654
SMODE
AD6654
VDDIO
GND