ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 130

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

Serial peripheral interface (SPI)
Figure 59. Data clock timing diagram
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SCK
(CPOL = 1)
SCK
(CPOL = 0)
MISO
(from master)
MOSI
(from slave)
SS
(to slave)
CAPTURE STROBE
SCK
(CPOL = 1)
SCK
(CPOL = 0)
MISO
(from master)
MOSI
(from slave)
SS
(to slave)
CAPTURE STROBE
Note: This figure should not be used as a replacement for parametric information.
Refer to
Section 20: Electrical
MSBit
characteristics.
MSBit
MSBit
MSBit
Bit 6
Bit 6
Bit 6
Bit 6
Doc ID 17660 Rev 1
Bit 5
Bit 5
Bit 5
Bit 5
CPHA = 0
CPHA = 1
Bit 4
Bit 4
Bit 4
Bit 4
Bit3
Bit3
Bit3
Bit3
Bit 2
Bit 2
Bit 2
Bit 2
Bit 1
Bit 1
Bit 1
Bit 1
LSBit
LSBit
LSBit
ST72521xx-Auto
LSBit