English
Language : 

RFM92 Datasheet, PDF (20/126 Pages) List of Unclassifed Manufacturers – Low Power Long Range Transceiver Module
RFM92W/93W V3.0
2.5.6. Digital Specification
Conditions: Temp = 25° C, VDD = 3.3 V, FXOSC = 32 MHz, unless otherwise specified.
Table 11 Digital Specification
Symbol
VIH
VIL
VOH
VOL
FSCK
tch
tcl
trise
tfall
tsetup
thold
tnsetup
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
tnhold
NSS hold time
tnhigh
T_DATA
NSS high time between SPI
accesses
DATA hold and setup time
Conditions
Min Typ Max Unit
0.8
-
- VDD
-
-
0.2 VDD
Imax = 1 mA
0.9
-
- VDD
Imax = -1 mA
-
-
0.1 VDD
-
-
10 MHz
50
-
- ns
50
-
- ns
-
5
- ns
-
5
- ns
From MOSI change to SCK rising edge 30
-
- ns
From SCK rising edge to MOSI change 20
-
- ns
From NSS falling edge to SCK rising
30
-
edge
From SCK falling edge to NSS rising
100
-
edge, normal mode
20
-
- ns
- ns
- ns
250
-
- ns
Page 20
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com