ade7953 Analog Devices, Inc., ade7953 Datasheet - Page 6

• Manufacturer Part Number: ade7953
• Description: Single Phase, Multifunction Metering Ic With Neutral Current Measurement Ade7953
• Manufacturer: Analog Devices, Inc.

ADE7953
TIMING CHARACTERISTICS
SPI Interface Timing
VDD = 3.3 V ± 10%, AGND = DGND = 0 V, on-chip reference, CLKIN = 3.58 MHz, T
Table 2.
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
1
SPI Interface Timing Diagram
CS
SCLK
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
DIS
SFS
SFS_LK
Min and max values are typical minimum and maximum values.
Description
CS to SCLK edge
SCLK period
SCLK low pulse width
SCLK high pulse width
Data output valid after SCLK edge
Data input setup time before SCLK edge
Data input hold time after SCLK edge
Data output fall time
Data output rise time
SCLK rise time
SCLK fall time
MISO disabled after CS rising edge
CS high after SCLK edge
CS high after SCLK edge (when writing to
COMM_LOCK bit)
SCLK
MISO
MOSI
CS
t
DAV
t
CS
t
DSU
t
SL
t
SCLK
MSB OUT
MSB IN
t
t
DHD
SH
Figure 2. SPI Interface Timing
Rev. 0 | Page 6 of 68
Min
50
200
80
80
80
70
5
5
0
1200
INTERMEDIATE BITS
1
INTERMEDIATE BITS
t
DF
Max
20
20
20
20
40
1
t
SF
MIN
LSB IN
to T
t
DR
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
LSB OUT
t
SFS_LK
MAX
t
SFS
t
SR
= −40°C to +85°C, unless otherwise noted.
t
DIS