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SX1211
WIRELESS & SENSING
2.4.5. Digital Specification
Conditions: Temp = 25 °C, VDD = 3.3 V, crystal frequency = 12.8 MHz, unless otherwise specified.
Table 9: Digital Specification
Symbol
VIH
VIL
VOH
VOL
SCK_CONFIG
SCK_DATA
T_DATA
T_MOSI_C
T_MOSI_D
T_NSSC_L
T_NSSD_L
T_NSSC_H
T_NSSD_H
Description
Digital input level high
Digital input level low
Digital output level high
Digital output level low
SPI Config. clock frequency
SPI Data clock frequency
DATA hold and setup time
MOSI setup time for SPI Config.
MOSI setup time for SPI Data.
NSS_CONFIG low to SCK rising edge.
SCK falling edge to NSS_CONFIG high.
NSS_DATA low to SCK rising edge.
SCK falling edge to NSS_DATA high.
NSS_CONFIG rising to falling edge.
NSS_DATA rising to falling edge.
Conditions
Imax=1mA
Imax=-1mA
Min
0.8*VDD
-
0.9*VDD
-
-
-
2
250
312
500
625
500
625
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
-
0.2*VDD
-
0.1*VDD
6
1
-
-
-
-
-
-
-
Unit
V
V
V
V
MHz
MHz
μs
ns
ns
ns
ns
ns
ns
Note: on pin 10 (XTAL_P) and 11 (XTAL_N), maximum voltages of 1.8V can be applied.
Rev 8 – February 2013
Page 11 of 92
www.semtech.com
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