XE8000EV120 Semtech, XE8000EV120 Datasheet - Page 23

• Manufacturer Part Number: XE8000EV120
• Description: BOARD EVAL FOR SX8722I070TRLF
• Manufacturer: Semtech
• Series: ZoomingADC™r

Specifications of XE8000EV120

• Number Of Adc's: 1
• Number Of Bits: 16
• Data Interface: I²C
• Inputs Per Adc: 7 Single or 4 Differential
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Utilized Ic / Part: SX8722
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: XM8000EV120; XM8000EV120

8.4. Other commands
The diagram below shows the other commands syntax.
8.5. Unknown commands
The SX8722 does not answer to unknown commands.
8.6. Reading data after a measurement.
The SX8722 performs measurements successively and stores the latest results in the enabled configurations data out
registers.
Every time a measurement is performed the pin READY makes a positive pulse allowing the host microcontroller to retrieve
data from the SX8722.
When the SX8722 is addressed and read the output is as shown below. Config ID indicates which channel is shifted out.
ACS - Revision 4.2
©2008 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
SDA
M
S
T
A
R
T
S
B
ADDRESS
DEVICE
Figure 12. I2C frame: other commands, 0x40 - 0x80
October 2008
Figure 13. I2C frame: reading after a measurement
SDA
S
B
L
R
E
A
D
C
M
A
K
S
A
R
S
B
T
T
ADDRESS
DEVICE
CONFIG ID
Page 23
L
S
B
W
R
T
E
I
A
C
K
A
C
K
DATA MSB
COMMAND
High gain acquisition for sensor interface
C
A
K
C
A
K
R
E
S
T
A
R
T
S
O
P
T
DATA LSB
N
O
C
A
K
O
S
T
P
DATASHEET
www.semtech.com
SX8722