STR751FR1 STMicroelectronics, STR751FR1 Datasheet - Page 66

• Manufacturer Part Number: STR751FR1
• Description: 32-bit MCU
• Manufacturer: STMicroelectronics

Specifications of STR751FR1

• Smart Low Power Modes: SLOW, WFI, STOP and STANDBY with backup registers
• Conversion Time: min. 3.75 μs

Electrical parameters
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Figure 34. SPI configuration - slave mode with CPHA=0, continuous transfer
Figure 35. SPI configuration, slave mode with CPHA=1, single transfer
Figure 36. SPI configuration - slave mode with CPHA=1, continuous transfer
MISO
MOSI
MISO
MOSI
MOSI
MISO
NSS
NSS
NSS
CPHA=1
CPOL=0
CPHA=1
CPOL=1
CPOL=0
OUTPUT
INPUT
CPOL=0
CPOL=1
CPOL=1
INPUT
OUTPUT
OUTPUT
INPUT
OUTPUT
INPUT
INPUT
DONT CARE
DONT CARE
1 OR 0
1.5*t
t
NSSLQV
z
DONT CARE
c(SCK)
t
su(NSS)
z
t
NSSLQV
trigger
edge
trigger
MSB OUT
MSB IN
sample
MSB OUT
MSB IN
sample
t
t
w(SCKH)
w(SCKL)
trigger
MSB OUT
MSB IN
t
trigger
su(SI)
sample trigger
sample
sample
edge
t
t
FRAME 1
c(SCK)
h(SI)
trigger sample
FRAME 1
sample trigger
STR750Fxx STR751Fxx STR752Fxx STR755Fxx
t
c(SCK)
t
t
trigger sample
SCKQV(MISO)
SCKQX(MISO)
samlpe trigger
t
c(SCK)
BIT OUT
trigger sample
LSB OUT
LSB IN
sample
LSB OUT
LSB IN
BIT1 IN
trigger
edge
trigger
MSB OUT
MSB IN
trigger
t
t
r(SCK)
f(SCK)
t
sample
NSHQZ
DONT CARE
1.5*t
FRAME 2
trigger
c(SCK)
sample
t
NSSLQV
LSB IN
edge
z
sample trigger
LSB OUT
MSB IN
MSB OUT
sample
t
h(NSS)
FRAME 2
sample trigger
trigger
t
t
sample
NSSHQX
NSSHQZ
DONT
CARE
z