RFM95 Datasheet, PDF (19/121 Pages) List of Unclassifed Manufacturers – Low Power Long Range Transceiver Module

WIRELESS & SENSING
RFM95/96/97/98(W)
PRELIMINARY
DATASHEET
2.4.6. Digital Specification
Conditions: Temp = 25° C, VDD = 3.3 V, FXOSC = 32 MHz, unless otherwise specified.
Table 57 Digital Specification
Symbol
V_IH
V_IL
V_OH
V_OL
F_SCK
t_ch
t_cl
t_rise
t_fall
t_setup
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
t_hold
MOSI hold time
t_nsetup
NSS setup time
t_nhold
NSS hold time
t_nhigh
T_DATA
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 Typ Max Unit
0.8
-
- VDD
-
-
0.2 VDD
0.9
-
- VDD
-
-
0.1 VDD
-
-
10 MHz
50
-
- ns
50
-
- ns
-
5
- ns
-
5
- ns
30
-
- ns
20
-
- ns
30
-
- ns
100
-
- ns
20
-
- ns
250
-
- ns
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