str912fa STMicroelectronics, str912fa Datasheet - Page 70

• 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

Electrical characteristics
70/78
Figure 25. SPI slave timing diagram with CPHA=1
Figure 26. SPI master timing diagram
MISO
MOSI
MISO
MOSI
NSS
CPHA=1
CPOL=0
CPHA=1
CPOL=1
NSS
OUTPUT
INPUT
CPHA=0
CPOL=0
CPHA=0
CPOL=1
CPHA=1
CPOL=0
CPHA=1
CPOL=1
INPUT
OUTPUT
INPUT
INPUT
t
a(SO)
t
su( NSS )
HZ
t
t
t
v(MO)
w(SCLKH)
w(SCLKL)
t
su(MI)
t
su(SI)
MSB OUT
MSB IN
MSB OUT
t
h(MO)
t
MSB IN
h(MI)
t
h(SI)
t
c(SCLK)
t
c(SCLK)
t
v(SO)
t
t
w(SCLKH)
w(SCLKL)
BIT6 OUT
BIT6 OUT
BIT6 IN
BIT1 IN
t
h(SO)
t
t
r(SCLK)
f(SCLK)
t
t
r(SCLK)
f(SCLK)
LSB IN
LSB OUT
LSB OUT
LSB IN
t
h( NSS )
STR91xFA
t
dis(SO)