Datasheet

ST72321Rx ST72321ARx ST72321Jx
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INTERRUPTS (Cont’d)
Figure 22. External Interrupt Control bits
IS10 IS11
EICR
SENSITIVITY
CONTROL
PBOR.3
PBDDR.3
IPB BIT
PB3
ei2 INTERRUPT SOURCE
PORT B [3:0] INTERRUPTS
PB3
PB2
PB1
PB0
IS10 IS11
EICR
SENSITIVITY
CONTROL
PBOR.7
PBDDR.7
PB7
ei3 INTERRUPT SOURCE
PORT B [7:4] INTERRUPTS
PB7
PB6
PB5
PB4
IS20 IS21
EICR
SENSITIVITY
CONTROL
PAOR.3
PADDR.3
IPA BIT
PA3
ei0 INTERRUPT SOURCE
PORT A [3:0] INTERRUPTS
PA3
PA2
PA1
PA0
IS20 IS21
EICR
SENSITIVITY
CONTROL
PFOR.2
PFDDR.2
PF2
ei1 INTERRUPT SOURCE
PORT F [2:0] INTERRUPTS
PF2
PF1
PF0