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SX1231
WIRELESS & SENSING PRODUCTS
2.4.5. Digital Specification
Conditions: Temp = 25°C, VDD = 3.3V, FXOSC = 32 MHz, unless otherwise specified.
DATASHEET
Table 8
Digital Specification
Symbol
V IH
V IL
V OH
V OL
F SCK
t ch
t cl
t rise
t fall
t setup
t hold
t nsetup
t nhold
t nhigh
T_DATA
Description
Digital input level high
Digital input level low
Digital output level high
Digital output level low
SCK frequency
SCK high time
SCK low time
SCK rise time
SCK fall time
MOSI setup time
MOSI hold time
NSS setup time
NSS hold time
NSS high time between SPI
accesses
DATA hold and setup time
Conditions
Imax = 1 mA
Imax = -1 mA
from MOSI change to SCK rising
edge
from SCK rising edge to MOSI
change
from NSS falling edge to SCK rising
edge
from SCK falling edge to NSS rising
edge, normal mode
Min
0.8
-
0.9
-
-
50
50
-
-
30
60
30
100
20
250
Typ
-
-
-
-
-
-
-
5
5
-
-
-
-
-
-
Max
-
0.2
-
0.1
10
-
-
-
-
-
-
-
-
-
-
Unit
VDD
VDD
VDD
VDD
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Rev. 7 - June 2013
Page 17
www.semtech.com
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