ST72321J7-Auto STMicroelectronics, ST72321J7-Auto Datasheet - Page 46
ST72321J7-Auto
Manufacturer Part Number
ST72321J7-Auto
Description
8-bit MCU for automotive with 48 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
Manufacturer
STMicroelectronics
Datasheet
1.ST72321R9-AUTO.pdf
(243 pages)
Specifications of ST72321J7-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
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Supply, reset and clock management
Figure 16. Using the voltage detector to monitor the EVD pin (AVDS bit = 1)
6.6.3
6.6.4
46/243
AVDF
AVD INTERRUPT
REQUEST
IF AVDIE = 1
V
V
IT+(EVD)
IT-(EVD)
Low power modes
Table 11.
Interrupts
The AVD interrupt event generates an interrupt if the corresponding Enable Control Bit
(AVDIE) is set and the interrupt mask in the CC register is reset (RIM instruction).
Table 12.
V
Interrupt event
EVD
Mode
Wait
Halt
AVD event
0
No effect on SI. AVD interrupts cause the device to exit from Wait mode.
The SICSR register is frozen.
Effect of low power modes on SI
AVD interrupt control/wake-up capability
Event flag
INTERRUPT PROCESS
AVDF
V
hyst
Doc ID 13829 Rev 1
Enable control bit
1
AVDIE
Effect
Exit from Wait
Yes
INTERRUPT PROCESS
ST72321xx-Auto
0
Exit from Halt
No
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