EFM32WG330 Datasheet, PDF (52/76 Pages) Silicon Laboratories – Output state retention and wake-up from Shutoff Mode

Figure 3.39. SPI Slave Timing
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CS
SCLK
CLKPOL = 0
SCLK
CLKPOL = 1
MOSI
MISO
t _{CS_ACT_MI}
t _{SU_MO}
t _{H_MO}
t _{SCLK_HI}
t _{SCLK_LO}
t _SCLK
t _{SCLK_MI}
t _{CS_DIS_MI}
Table 3.25. SPI Slave Timing
Symbol
Parameter
Min
Typ
t_{SCLK_sl} ^{1 2}
SCKL period
6 * t_HFPER-
CLK
t_{SCLK_hi} ^{1 2}
SCLK high period
3 * t_HFPER-
CLK
t_{SCLK_lo} ^{1 2}
SCLK low period
3 * t_HFPER-
CLK
t_{CS_ACT_MI} ^{1 2}
CS active to MISO
5.00
t_{CS_DIS_MI} ^{1 2}
CS disable to MISO
5.00
t_{SU_MO} ^{1 2}
MOSI setup time
5.00
t_{H_MO} ^{1 2}
MOSI hold time
2 + 2 * t_HF-
PERCLK
t_{SCLK_MI} ^{1 2}
SCLK to MISO
7 + t_HFPER-
CLK
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 3.26. SPI Slave Timing with SSSEARLY and SMSDELAY
Symbol
t_{SCLK_sl} ¹²
Parameter
SCKL period
t_{SCLK_hi} ¹²
SCLK high period
t_{SCLK_lo} ¹²
SCLK low period
t_{CS_ACT_MI} ¹²
t_{CS_DIS_MI} ¹²
t_{SU_MO} ¹²
t_{H_MO} ¹²
CS active to MISO
CS disable to MISO
MOSI setup time
MOSI hold time
Min
Typ
6 * t_HFPER-
CLK
3 * t_HFPER-
CLK
3 * t_HFPER-
CLK
5.00
5.00
5.00
2 + 2 * t_HF-
PERCLK
2014-06-13 - EFM32WG330FXX - d0190_Rev1.40
52
Max
Unit
ns
ns
ns
35.00 ns
35.00 ns
ns
ns
42 + 2 * ns
t_HFPERCLK
Max
Unit
ns
ns
ns
35.00 ns
35.00 ns
ns
ns
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