ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 63

• 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

ST72521xx-Auto
Table 22.
Table 23.
Table 24.
Table 25.
IS11
IS11
IS21
IS21
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Interrupt sensitivity - ei2 (port B3..0)
Interrupt sensitivity - ei3 (port B7..4)
Interrupt sensitivity - ei0 (port A3..0)
Interrupt sensitivity - ei1 (port F2..0)
IS10
IS10
IS20
IS20
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Falling edge and low level
Falling edge and low level
Doc ID 17660 Rev 1
Falling edge only
Falling edge only
Rising edge only
Rising edge only
IPB bit = 0
IPA bit = 0
External interrupt sensitivity
External interrupt sensitivity
External interrupt sensitivity
External interrupt sensitivity
Falling edge and low level
Falling edge and low level
Rising and falling edge
Rising and falling edge
Rising and falling edge
Rising and falling edge
Falling edge only
Falling edge only
Rising edge only
Rising edge only
Rising edge and high level
Rising edge and high level
Falling edge only
Falling edge only
Rising edge only
Rising edge only
IPB bit = 1
IPA bit = 1
Interrupts
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