ST72321AR9-Auto STMicroelectronics, ST72321AR9-Auto Datasheet - Page 213

• Manufacturer Part Number: ST72321AR9-Auto
• Description: 8-bit MCU for automotive with 60 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
• Manufacturer: STMicroelectronics

Specifications of ST72321AR9-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

ST72321xx-Auto
Figure 95. SPI master timing diagram
1. Measurement points are done at CMOS levels: 0.3xV
2. When no communication is on-going the data output line of the SPI (MOSI in master mode, MISO in slave mode) has its
alternate function capability released. In this case, the pin status depends of the I/O port configuration.
MISO
MOSI
SS
CPHA = 0
CPOL = 0
CPHA = 0
CPOL = 1
CPHA = 1
CPOL = 0
CPHA = 1
CPOL = 1
INPUT
OUTPUT
INPUT
See note 2
t
su(MI)
MSB OUT
t
MSB IN
h(MI)
(1)
t
c(SCK)
Doc ID 13829 Rev 1
DD
t
t
t
v(MO)
w(SCKH)
w(SCKL)
and 0.7xV
BIT6 OUT
BIT6 IN
DD
.
t
h(MO)
t
t
r(SCK)
f(SCK)
Electrical characteristics
LSB OUT
LSB IN
See note 2
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