ST72260G1B6/XXX View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72260G1B6/XXX

8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES

STMicroelectronics 

ST72260G, ST72262G, ST72264G

Table 5. Interrupt Mapping

N°

Source

Block

Description

RESET Reset

TRAP

Software Interrupt

0

ei0

External Interrupt Port A7..0 (C5..01)

1

ei1

External Interrupt Port B7..0 (C5..01)

2

CSS

Clock Filter Interrupt

3

SPI

SPI Peripheral Interrupts

4

TIMER A TIMER A Peripheral Interrupts

5

MCC

Time base interrupt

6

TIMER B TIMER B Peripheral Interrupts

7

AVD

Auxiliary Voltage Detector interrupt

8

Not used

9

Not used

10

SCI

SCI Peripheral Interrupt

11

I2C

I2C Peripheral Interrupt

12

Not Used

13

Not Used

Note 1. Configurable by option byte.

Register

Label

Priority

Order

Exit

from

HALT

Highest yes

Priority no

N/A

yes

CRSR

no

SPISR

yes

TASR

no

MCCSR

yes

TBSR

no

SICSR

SCISR

no

I2CSRx

no

Lowest

Priority

Address

Vector

FFFEh-FFFFh

FFFCh-FFFDh

FFFAh-FFFBh

FFF8h-FFF9h

FFF6h-FFF7h

FFF4h-FFF5h

FFF2h-FFF3h

FFF0h-FFF1h

FFEEh-FFEFh

FFECh-FFEDh

FFEAh-FFEBh

FFE8h-FFE9h

FFE6h-FFE7h

FFE4h-FFE5h

FFE2h-FFE3h

FFE0h-FFE1h

Table 6. Nested Interrupts Register Map and Reset Values

Address

(Hex.)

Register

Label

001Ch

ISPR0

Reset Value

001Dh

ISPR1

Reset Value

001Eh

ISPR2

Reset Value

7

6

SPI

I1_3

I0_3

1

1

AVD

I1_7

I0_7

1

1

I2C

I1_11

1

I0_11

1

5

4

CSS

I1_2

I0_2

1

1

TIMERB

I1_6

I0_6

1

1

SCI

I1_10

1

I0_10

1

001Fh ISPR3

Reset Value

1

1

1

1

3

2

EI1

I1_1

I0_1

1

1

MCC

I1_5

I0_5

1

1

Not Used

I1_9

I0_9

1

1

Not Used

I1_13

1

I0_13

1

1

0

EI0

I0_1

1

I0_0

1

TIMERA

I1_4

1

I0_4

1

Not Used

I1_8

1

I0_8

1

Not Used

I1_12

1

I0_12

1

32/171

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