Spi Timings (20 Mhz); Spi Timings (33 Mhz) - Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Datasheet

Electrical Characteristics
Table 8-32. SPI Timings (20 MHz)
Sym
t180a
t183a
t184a
t185a
t186a
t187a
t188a
t189a
NOTES:
1. The typical clock frequency driven by the PCH is 17.86 MHz.
2. Measurement point for low time and high time is taken at 0.5(VccSPI)
Table 8-33. SPI Timings (33 MHz)
Sym
t180b
t183b
t184b
t185b
t186b
t187b
t188b
t189b
NOTE:
1. The typical clock frequency driven by the PCH is 31.25 MHz.
2. Measurement point for low time and high time is taken at 0.5(VccSPI).
Datasheet
Parameter
Serial Clock Frequency - 20M Hz
Operation
Tco of SPI_MOSI with respect to serial
clock falling edge at the host
Setup of SPI_MISO with respect to
serial clock falling edge at the host
Hold of SPI_MISO with respect to serial
clock falling edge at the host
Setup of SPI_CS[1:0]# assertion with
respect to serial clock rising at the host
Hold of SPI_CS[1:0]# deassertion with
respect to serial clock falling at the host
SPI_CLK high time
SPI_CLK low time
Parameter
Serial Clock Frequency - 33 MHz
Operation
Tco of SPI_MOSI with respect to serial
clock falling edge at the host
Setup of SPI_MISO with respect to
serial clock falling edge at the host
Hold of SPI_MISO with respect to serial
clock falling edge at the host
Setup of SPI_CS[1:0]# assertion with
respect to serial clock rising at the host
Hold of SPI_CS[1:0]# deassertion with
respect to serial clock falling at the host
SPI_CLK High time
SPI_CLK Low time
Min Max Units
17.06 18.73 MHz
-5 13 ns
16 — ns
0 — ns
30 — ns
30 — ns
26.37 — ns
26.82 — ns
Min Max Units
29.83 32.81 MHz
-5 5 ns
8 — ns
0 — ns
30 — ns
30 — ns
14.88 - ns
15.18 - ns
Notes Fig
1
8-22
8-22
8-22
8-22
8-22
8-22
8-22
Notes Fig
1
8-22
8-22
8-22
8-22
8-22
8-22
8-22
329