PCD6003 datasheet(29/96 Pages) PHILIPS

29 / 96 page

2001 Apr 17

Philips Semiconductors

Product speciﬁcation

Digital telephone answering machine chip

PCD6003

10.4.3

INTERRUPT ENABLE REGISTER 0 (IEN0)

Table 17 Interrupt Enable Register 0 (SFR address A8H); reset state 00H

10.4.4

INTERRUPT ENABLE REGISTER 1 (IEN1)

Table 18 Interrupt Enable Register 1 (SFR address E8H); reset state 00H

10.4.5

INTERRUPT REQUEST FLAG REGISTER (IRQ1)

Table 19 Interrupt Request Flag Register 1 (SFR address C0H); reset state 00H; note 1

Note

1. The flags of IRQ1 will be set to logic 1 by hardware if the interrupt occurs. They must be cleared by software in the

interrupt service routine.

10.4.6

INTERRUPT POLARITY REGISTER (IX1)

Table 20 Interrupt Polarity Register (SFR address E9H); reset state 00H; note 1

Note

1. A polarity bit set to logic 1 in IX1 will cause the external interrupt to be active HIGH.

10.4.7

INTERRUPT CONTROL REGISTER (INTC)

Table 21 Interrupt Control Register (SFR address C1H); reset state 00H

10.4.8

EXTERNAL WAKE-UP DISABLE REGISTER (XWUD)

Table 22 External Wake-up Disable Register (SFR address B9H); reset state 00H

76543210

global

enable

FS_event

enable TIME

enable

MSK_event

enable T1

enable EX1

enable T0

enable EX0

76543210

enable RTC

enable DSP

enable I2C

enable EX6

enable EX5

enable EX4

enable EX3

enable EX2

76543210

RTC ﬂag

DSP ﬂag

TIME ﬂag

EX6 ﬂag

EX5 ﬂag

EX4 ﬂag

EX3 ﬂag

EX2 ﬂag

76543210

spare

polarity EX6

polarity EX5

polarity EX4

polarity EX3

polarity EX2

76543210

spare

extended

wake-up;

XWU

FS ﬂag

76543210

RTC XWU

disable

DSP XWU

disable

TIME XWU

disable

EX6 XWU

disable

EX5 XWU

disable

EX4 XWU

disable

EX3 XWU

disable

EX2 XWU

disable

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