ST72521M7TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72521M7TC

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

STMicroelectronics 

INTERRUPTS (Cont’d)

Figure 22. External Interrupt Control bits

PORT A [3:0] INTERRUPTS

PAOR.3

PADDR.3

PA3

IPA BIT

EICR

IS20 IS21

SENSITIVITY

PA3

CONTROL

PA2

PA1

PA0

PORT F [2:0] INTERRUPTS

PFOR.2

PFDDR.2

PF2

EICR

IS20 IS21

SENSITIVITY

PF2

CONTROL

PF1

PF0

PORT B [3:0] INTERRUPTS

PBOR.3

PBDDR.3

PB3

IPB BIT

PORT B [7:4] INTERRUPTS

PBOR.7

PBDDR.7

PB7

EICR

IS10 IS11

SENSITIVITY

PB3

CONTROL

PB2

PB1

PB0

EICR

IS10 IS11

SENSITIVITY

PB7

CONTROL

PB6

PB5

PB4

ST72521M/R/AR

ei0 INTERRUPT SOURCE

ei1 INTERRUPT SOURCE

ei2 INTERRUPT SOURCE

ei3 INTERRUPT SOURCE

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