Datasheet

SSIClk
(SPO = 1)
SSITx
(Master)
SSIRx
(Slave)
LSB
SSIClk
(SPO = 0)
S2
S1
SSIFss
LSB
S3
MSB
MSB
26
CC2650
SWRS158B –FEBRUARY 2015–REVISED JULY 2016 www.ti.com
Submit Documentation Feedback
Product Folder Links: CC2650
Specifications Copyright © 2015–2016, Texas Instruments Incorporated
Figure 5-3. SSI Timing for SPI Frame Format (FRF = 00), With SPH = 1
5.25 DC Characteristics
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
A
= 25°C, V
DDS
= 1.8 V
GPIO VOH at 8-mA load IOCURR = 2, high-drive GPIOs only 1.32 1.54 V
GPIO VOL at 8-mA load IOCURR = 2, high-drive GPIOs only 0.26 0.32 V
GPIO VOH at 4-mA load IOCURR = 1 1.32 1.58 V
GPIO VOL at 4-mA load IOCURR = 1 0.21 0.32 V
GPIO pullup current Input mode, pullup enabled, Vpad = 0 V 71.7 µA
GPIO pulldown current Input mode, pulldown enabled, Vpad = VDDS 21.1 µA
GPIO high/low input transition,
no hysteresis
IH = 0, transition between reading 0 and reading 1 0.88 V
GPIO low-to-high input transition,
with hysteresis
IH = 1, transition voltage for input read as 0 → 1 1.07 V
GPIO high-to-low input transition,
with hysteresis
IH = 1, transition voltage for input read as 1 → 0 0.74 V
GPIO input hysteresis IH = 1, difference between 0 → 1 and 1 → 0 points 0.33 V