PAC5225
Power Application Controller
Table 34. SPI Dynamic Characteristics
SYMBOL
tSCLK;HIGH
tSCLK;LOW
tSS;SCLK
tSS;MOSI
tr(SCLK)
PARAMETER
SPICLK Input High Time
CONDITIONS
MIN
30
TYP
MAX
UNIT
ns
SPICLK Input Low Time
SPICSn to SPICLK Time
SPICSn to SPIMISO High-impedance time
SPICLK Rise Time
30
ns
120
10
ns
50
25
25
25
25
ns
10
10
10
10
ns
SPICLK = 25MHz
tf(SCLK)
SPICLK Fall Time
ns
tr(MOSI)
SPIMISO Rise Time
ns
tf(SMOSI)
tSU;MISO
tH;MISO
SPIMISO Fall Time
ns
SPIMISO Setup Time
SPIMISO Hold Time
20
20
ns
ns
Figure 18-3. SPI Timing Diagram
SPICSn
t
t
SS;CLK
f(SCLK)
t
t
t
SS;MOSI
SCLK;HIGH
SCLK;LOW
SPICLK
[SPICFG.RCVCP = 0b]
SPICLK
[SPICFG.RCVCP = 1b]
t
r(SCLK)
SPIMOSI
SPIMISO
t
r(MOSI)
t
f(MOSI)
t
SU;MISO
t
H;MISO
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Rev 2.0‒September 22, 2017
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
