ST72E331 datasheet(23/107 Pages) STMICROELECTRONICS

Part #	ST72E331

Description	8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS

PDF	107 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST72E331 ST72T331

Table 6. Interrupt Mapping

Source

Block

Description

Label

Flag

Exit

from

HALT

Vector

Address

Priority

Order

RESET

Reset

N/A

yes

FFFEh-FFFFh

TRAP

Software

N/A

FFFCh-FFFDh

NOT USED

FFFAh-FFFBh

NOT USED

FFF8h-FFF9h

EI0

Ext. Interrupt (Ports PA0:PA3)

N/A

yes

FFF6h-FFF7h

EI1

Ext. Interrupt (Ports PF0:PF2)

N/A

FFF4h-FFF5h

EI2

Ext. Interrupt (Ports PB0:PB3)

N/A

FFF2h-FFF3h

EI3

Ext. Interrupt (Ports PB4:PB7)

N/A

FFF0h-FFF1h

NOT USED

FFEEh-FFEFh

SPI

Transfer Complete

SPISR

SPIF

FFECh-FFEDh

Mode Fault

MODF

TIMER A

Input Capture 1

TASR

ICF1_A

FFEAh-FFEBh

Output Compare 1

OCF1_A

Input Capture 2

ICF2_A

Output Compare 2

OCF2_A

Timer Overflow

TOF_A

TIMER B

Input Capture 1

TBSR

ICF1_B

FFE8h-FFE9h

Output Compare 1

OCF1_B

Input Capture 2

ICF2_B

Output Compare 2

OCF2_B

Timer Overflow

TOF_B

SCI

Transmit Buffer Empty

SCISR

TDRE

FFE6h-FFE7h

Transmit Complete

Receive Buffer Full

RDRF

Idle Line Detect

IDLE

Overrun

EEPROM

EEPROM End of Programming

EEPCR

E2ITE

FFE4h-FFE5h

NOT USED

FFE2h-FFE3h

NOT USED

FFE0h-FFE1h

Highest

Priority

Lowest

ST72E331 Datasheet(PDF) 23 Page - STMicroelectronics

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