str912fa STMicroelectronics, str912fa Datasheet - Page 69

• Manufacturer Part Number: str912fa
• Description: Arm966e-s? 16/32-bit Flash Mcu With Ethernet, Usb, Can, Ac Motor Control, 4 Timers, Adc, Rtc, Dma
• Manufacturer: STMicroelectronics

STR91xFA
6.15.5 SPI electrical characteristics
V
Table 33.
Figure 24. SPI slave timing diagram with CPHA=0
f
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SCLK
r(SCLK)
f(SCLK)
su(SS)
h(SS)
w(SCLKH)
w(SCLKL)
su(MI)
su(SI)
h(MI)
h(SI)
a(SO)
dis(SO)
v(SO)
h(SO)
v(MO)
h(MO)
DDQ
Symbol
c(SCLK)
MISO
MOSI
= 2.7 - 3.6V, V
NSS
CPHA=0
CPOL=0
CPHA=0
CPOL=1
OUTPUT
INPUT
INPUT
SPI electrical characteristics
SPI clock frequency
SPI clock rise and fall times
SS setup time
SS hold time
SCLK high and low time
Data input setup time
Data input hold time
Data output access time
Data output disable time
Data output valid time
Data output hold time
Data output valid time
Data output hold time
DD
t
a(SO)
t
su(NSS)
Parameter
t
su(SI)
= 1.65 - 2V, T
t
t
MSB IN
w(SCLKH)
w(SCLKL)
MSB OUT
t
t
A
h(SI)
c(SCLK)
= -40 / 85 °C unless otherwise specified.
t
Master
Slave
50pF load
Slave
Slave
Master
Slave
Master
Slave
Master
Slave
Slave
Slave
Slave (after enable
edge)
Master (before capture
edge)
v(SO)
BIT6 OUT
Test Conditions
BIT1 IN
t
h(SO)
t
t
r(SCLK)
f(SCLK)
0.25
0.25
Typ
1
1
1
5
6
0
LSB IN
Electrical characteristics
Value
0.1
LSB OUT
t
h(NSS)
Max
24
4
6
6
6
t
dis(SO)
t
MHz
Unit
V/ns
PCLK
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