80C554 datasheet(31/76 Pages) PHILIPS

31 / 76 page

Philips Semiconductors

Preliminary specification

80C554/83C554/87C554

80C51 8-bit microcontroller – 6 clock operation

16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM,

capture/compare, high I/O, 64L LQFP

2000 Nov 10

PCT0

BIT

SYMBOL

FUNCTION

IP1.7

PT2

T2 overflow interrupt(s) priority level

IP1.6

PCM2

T2 comparator 2 interrupt priority level

IP1.5

PCM1

T2 comparator 1 interrupt priority level

IP1.4

PCM0

T2 comparator 0 interrupt priority level

IP1.3

PCT3

T2 capture register 3 interrupt priority level

IP1.2

PCT2

T2 capture register 2 interrupt priority level

IP1.1

PCT1

T2 capture register 1 interrupt priority level

IP1.0

PCT0

T2 capture register 0 interrupt priority level

SU00764

PCT1

PCT2

PCT3

PCM0

PCM1

PCM2

PT2

(LSB)

(MSB)

IP1 (F8H)

Figure 31. Interrupt Priority Register (IP1)

PCT0H

BIT

SYMBOL

FUNCTION

IP1H.7

PT2H

T2 overflow interrupt(s) priority level high

IP1H.6

PCM2H

T2 comparator 2 interrupt priority level high

IP1H.5

PCM1H

T2 comparator 1 interrupt priority level high

IP1H.4

PCM0H

T2 comparator 0 interrupt priority level high

IP1H.3

PCT3H

T2 capture register 3 interrupt priority level high

IP1H.2

PCT2H

T2 capture register 2 interrupt priority level high

IP1H.1

PCT1H

T2 capture register 1 interrupt priority level high

IP1H.0

PCT0H

T2 capture register 0 interrupt priority level high

SU00984

PCT1H

PCT2H

PCT3H

PCM0H

PCM1H

PCM2H

PT2H

(LSB)

(MSB)

IP1H (F7H)

Figure 32. Interrupt Priority Register High (IP1H)

Table 3.

Interrupt Priority Structure

SOURCE

NAME

PRIORITY WITHIN LEVEL

External interrupt 0

(highest)

↑

SIO1 (I2C)

ADC completion

ADC

Timer 0 overflow

T2 capture 0

CT0

T2 compare 0

CM0

External interrupt 1

T2 capture 1

CT1

T2 compare 1

CM1

Timer 1 overflow

T2 capture 2

CT2

T2 compare 2

CM2

SIO0 (UART)

T2 capture 3

CT3

Timer T2 overflow

↓

(lowest)

Table 4.

Interrupt Vector Addresses

SOURCE

NAME

VECTOR ADDRESS

External interrupt 0

0003H

Timer 0 overflow

000BH

External interrupt 1

0013H

Timer 1 overflow

001BH

SIO0 (UART)

0023H

SIO1 (I2C)

002BH

T2 capture 0

CT0

0033H

T2 capture 1

CT1

003BH

T2 capture 2

CT2

0043H

T2 capture 3

CT3

004BH

ADC completion

ADC

0053H

T2 compare 0

CM0

005BH

T2 compare 1

CM1

0063H

T2 compare 2

CM2

006BH

T2 overflow

0073H

80C554 Datasheet(PDF) 31 Page - NXP Semiconductors

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