EFM32WG232 Datasheet, PDF (50/75 Pages) List of Unclassifed Manufacturers – The EFM32 MCUs are the world’s most energy friendly microcontrollers.

3.16 USART SPI
Figure 3.38. SPI Master Timing
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CS
SCLK
CLKPOL = 0
SCLK
CLKPOL = 1
MOSI
MISO
t _{CS_MO}
t _{SCKL_MO}
t _SCLK
t _{SU_MI}
t _{H_MI}
Table 3.23. SPI Master Timing
Symbol
Parameter
Condition
Min
Typ
t_SCLK ^{1 2}
SCLK period
2 * t_HFPER-
CLK
t_{CS_MO} ^{1 2}
CS to MOSI
-2.00
t_{SCLK_MO} ^{1 2}
SCLK to MOSI
-1.00
t_{SU_MI} ^{1 2}
MISO setup time IOVDD = 3.0 V
36.00
t_{H_MI} ^{1 2}
MISO hold time
-6.00
1_{Applies for both CLKPHA = 0 and CLKPHA = 1 (figure only shows CLKPHA = 0)}
2_{Measurement done at 10% and 90% of VDD (figure shows 50% of VDD)}
Table 3.24. SPI Master Timing with SSSEARLY and SMSDELAY
Symbol
Parameter
Condition
Min
Typ
t_SCLK ^{1 2}
SCLK period
2 * t_HFPER-
CLK
t_{CS_MO} ¹²
CS to MOSI
-2.00
t_{SCLK_MO} ¹²
SCLK to MOSI
-1.00
t_{SU_MI} ¹²
MISO setup time IOVDD = 3.0 V
-32.00
t_{H_MI} ¹²
MISO hold time
63.00
1_{Applies for both CLKPHA = 0 and CLKPHA = 1 (figure only shows CLKPHA = 0)}
2_{Measurement done at 10% and 90% of VDD (figure shows 50% of VDD)}
Max
Unit
ns
2.00 ns
3.00 ns
ns
ns
Max
Unit
ns
2.00 ns
3.00 ns
ns
ns
2014-06-13 - EFM32WG232FXX - d0186_Rev1.40
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