ST72621L4M1(2002) 查看數據表（PDF） - STMicroelectronics

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ST72621L4M1
(Rev.:2002)

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

STMicroelectronics 

ST7262

INTERRUPTS (Cont’d)

Table 6. Interrupt Mapping

N°

Source

Block

Description

Reset

TRAP software interrupt

0

ICP

FLASH Start programming NMI interrupt

1

USB

USB End Suspend interrupt

2

Port A external interrupts IT[4:1]

3

I/O Ports Port B external interrupts IT[8:5]

4

Port C external interrupts IT[12:9]

5

TBU

Timebase Unit interrupt

6

ART

ART/PWM Timer interrupt

7

SPI

SPI interrupt vector

8

SCI

SCI interrupt vector

9

USB

USB interrupt vector

10

ADC

A/D End of conversion interrupt

Reserved area

Register

Label

Priority

Order

Exit

from

HALT

Highest Yes

Priority No

Yes

USBISTR

Yes

ITRFRE1

Yes

ITRFRE1

Yes

ITRFRE2

Yes

TBUCSR

No

ICCSR

Yes

SPISR

Yes

SCISR

No

USBISTR Lowest No

ADCCSR Priority No

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

FFE0h-FFE5h

Table 7. Nested Interrupts Register Map and Reset Values

Address

(Hex.)

Register

Label

7

6

5

4

0032h

0033h

0034h

Ext. Interrupt Port B

ISPR0

I1_3

Reset Value

1

I0_3

1

SPI

ISPR1

I1_7

Reset Value

1

I0_7

1

Not Used

ISPR2

I1_11

Reset Value

1

I0_11

1

Ext. Interrupt Port A

I1_2

I0_2

1

1

ART

I1_6

I0_6

1

1

ADC

I1_10

1

I0_10

1

0035h ISPR3

Reset Value

1

1

1

1

3

2

USB END SUSP

I1_1

I0_1

1

1

TBU

I1_5

I0_5

1

1

USB

I1_9

I0_9

1

1

Not Used

I1_13

1

I0_13

1

1

0

Not Used

1

1

Ext. Interrupt Port C

I1_4

I0_4

1

1

SCI

I1_8

I0_8

1

1

Not Used

I1_12

1

I0_12

1

28/133

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