EFR32BG12P232F Datasheet, PDF (102/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet

4.1.25 USART SPI
SPI Master Timing
EFR32BG12 Blue Gecko Bluetooth ^®Low Energy SoC Family Data Sheet
Electrical Specifications
Table 4.53. SPI Master Timing
Parameter
Symbol
Test Condition
Min
Typ
SCLK period ^{1 3 2}
t_SCLK
2*
—
t_HFPERCLK
CS to MOSI ^{1 3}
t_{CS_MO}
-14.5
—
SCLK to MOSI ^{1 3}
t_{SCLK_MO}
-8.5
—
MISO setup time ^{1 3}
t_{SU_MI}
IOVDD = 1.62 V
IOVDD = 3.0 V
92
—
42
—
MISO hold time ^{1 3}
t_{H_MI}
-10
—
Note:
1. Applies for both CLKPHA = 0 and CLKPHA = 1 (figure only shows CLKPHA = 0).
2. t_HFPERCLK is one period of the selected HFPERCLK.
3. Measurement done with 8 pF output loading at 10% and 90% of V_DD (figure shows 50% of V_DD).
Max
Unit
—
ns
13.5
ns
8
ns
—
ns
—
ns
—
ns
CS
SCLK
CLKPOL = 0
SCLK
CLKPOL = 1
MOSI
MISO
tCS_MO
tSCKL_MO
tSCLK
tSU_MI
tH_MI
Figure 4.1. SPI Master Timing Diagram
silabs.com | Building a more connected world.
Rev. 1.0 | 97