ST72321_04 datasheet(38/189 Pages) STMICROELECTRONICS

Part #	ST72321

Description	64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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ST72321

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INTERRUPTS (Cont’d)

Figure 23. 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

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