EFM32JG1 Datasheet, PDF (34/94 Pages) Silicon Laboratories – The EFM32 Jade Gecko MCUs are the world’s most energyfriendly microcontrollers

SPI Slave Timing
EFM32JG1 Data Sheet
Electrical Specifications
Table 4.24. SPI Slave Timing
Parameter
Symbol
Test Condition
Min
Typ
SCKL period ^{1 2}
t_{SCLK_sl}
2*
-
t_HFPERCLK
SCLK high period^{1 2}
t_{SCLK_hi}
3*
-
t_HFPERCLK
SCLK low period ^{1 2}
t_{SCLK_lo}
3*
-
t_HFPERCLK
CS active to MISO ^{1 2}
t_{CS_ACT_MI}
4
-
CS disable to MISO ^{1 2}
t_{CS_DIS_MI}
4
-
MOSI setup time ^{1 2}
t_{SU_MO}
4
-
MOSI hold time ^{1 2}
t_{H_MO}
3+2*
-
t_HFPERCLK
SCLK to MISO ^{1 2}
t_{SCLK_MI}
16 +
-
t_HFPERCLK
Note:
1. Applies for both CLKPHA = 0 and CLKPHA = 1 (figure only shows CLKPHA = 0)
2. Measurement done with 8 pF output loading at 10% and 90% of V_DD (figure shows 50% of V_DD)
Max
Unit
-
ns
-
ns
-
ns
50
ns
50
ns
-
ns
-
ns
66 + 2 *
ns
t_HFPERCLK
CS
SCLK
CLKPOL = 0
SCLK
CLKPOL = 1
MOSI
MISO
tCS_ACT_MI
tSU_MO
tH_MO
tSCLK_HI
tSCLK_LO
tSCLK
tSCLK_MI
Figure 4.2. SPI Slave Timing Diagram
tCS_DIS_MI
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