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ST72321BXXX-AUTO Datasheet(PDF) 65 Page - STMicroelectronics

Part # ST72321BXXX-AUTO
Description  8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72321BXXX-AUTO Datasheet(HTML) 65 Page - STMicroelectronics

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ST72321Bxxx-Auto
Interrupts
65/247
Table 21.
Interrupt sensitivity - ei2 (port B3..0)
IS11
IS10
External interrupt sensitivity
IPB bit = 0
IPB bit = 1
0
0
Falling edge and low level
Rising edge and high level
0
1
Rising edge only
Falling edge only
1
0
Falling edge only
Rising edge only
1
1
Rising and falling edge
Table 22.
Interrupt sensitivity - ei3 (port B7..4)
IS11
IS10
External interrupt sensitivity
0
0
Falling edge and low level
0
1
Rising edge only
1
0
Falling edge only
1
1
Rising and falling edge
Table 23.
Interrupt sensitivity - ei0 (port A3..0)
IS21
IS20
External interrupt sensitivity
IPA bit = 0
IPA bit = 1
0
0
Falling edge and low level
Rising edge and high level
0
1
Rising edge only
Falling edge only
1
0
Falling edge only
Rising edge only
1
1
Rising and falling edge
Table 24.
Interrupt sensitivity - ei1 (port F2..0)
IS21
IS20
External interrupt sensitivity
0
0
Falling edge and low level
0
1
Rising edge only
1
0
Falling edge only
1
1
Rising and falling edge


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