User's Manual

TiWi-uB1 Module
DATASHEET
The information in this document is subject to change without notice.
330-0132 Copyright © 2013 LS Research, LLC Page 12 of 22
SPI INTERFACE CHARACTERISTICS
TA = –40°C to 85°C, VDD = 2 V to 3.6 V
Characteristic
Condition
Min
Typ
Max
Unit
t1 SCK period
Master, RX and TX
250
nS
Slave, RX and TX
250
SCK duty cycle
Master
50%
t2 SSN low to SCK
Master
63
nS
Slave
63
t3 SCK to SSN high
Master
63
nS
Slave
63
T4 SCK to SSN high
Master, load = 10 pF
7
nS
t5 MOSI late out
Master, load = 10 pF
10
nS
t6 MISO setup
Master
nS
t7 MISO hold
Master
nS
SCK duty cycle
Slave
50%
t10 MOSI setup
Slave
nS
t11 MOSI hold
Slave
nS
t9 MISO late out
Slave, load = 10 pF
nS
Operating frequency
Master, TX only
8
MHz
Master, RX and TX
4
Slave, RX only
8
Slave, RX and TX
4
Table 12 SPI Timing