PCD6003 datasheet(28/96 Pages) PHILIPS

28 / 96 page

2001 Apr 17

Philips Semiconductors

Product speciﬁcation

Digital telephone answering machine chip

PCD6003

10.4.1

INTERRUPT PRIORITY REGISTER 0 (IP0)

Table 15 Interrupt Priority Register 0 (SFR address B8H); reset state 00H

10.4.2

Interrupt Priority Register 1 (IP1)

Table 16 Interrupt Priority Register 1 (SFR address F8H); reset state 00H

543210

−

priority FS_event

priority TIME

priority MSK

priority T1

priority EX1

priority T0

priority EX0

76543210

priority RTC

priority DSP

priority I2C

priority EX6

priority EX5

priority EX4

priority EX3

priority EX2

handbook, full pagewidth

MGM774

TIME_event

FS_event

DSP_event

RTC_event

EX6

EX5

EX4

EX3

EX2

IX.4

IX.3

IX.2

IX.1

IX.0

MSK

EX1

EX0

I2C-BUS

TCON.0

TCON.1

IEN0.0

IEN0.1

IEN0.2

IEN0.3

IEN0.4

IEN0.5

IEN0.6

IEN1.0

IEN1.1

IEN1.2

IEN1.3

IEN1.4

IEN1.5

IEN1.6

IEN1.7

TCON.5

TCON.3

TCON.7

MSTAT.0

MSTAT.1

S1CON.3

INTC.0

IRQ1.0

IRQ1.1

IRQ1.2

IRQ1.3

IRQ1.4

IRQ1.5

IRQ1.6

IRQ1.7

clocks

EXP1N

XWUD.0

XWUD.7

XWUD

EDGE/LEVEL

SOURCE

FLAGS

ENABLE

TCON.2

IP0.0

IP0.1

IP0.2

IP0.3

IP0.4

IP0.5

IP0.6

IP1.0

IP1.1

IP1.2

IP1.3

IP1.4

IP1.5

IP1.6

IP1.7

PRIORITY

INTERRUPT

SCANNING

INTERRUPT CONTROLLER

EXP1N

+ XWU

POLARITY

Fig.10 PCD6003/80C51 interrupt system.

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