PCD6003 datasheet(23/96 Pages) PHILIPS

23 / 96 page

2001 Apr 17

Philips Semiconductors

Product speciﬁcation

Digital telephone answering machine chip

PCD6003

10.3

SFR mapping

The SFR mapping for the microcontroller is shown in Table 12. All SFRs and their reset states are described in Table 13.

Table 12 SFR mapping

Notes

1. SFRs in this column are both bit and byte-addressable.

2. Complies to 80C51 family architecture specification.

3. These registers are read only (all other SFRs are read/write).

4. Reserved register, used for testing purposes. Writing of reserved or undocumented bits might lead to unexpected

behaviour of the device (see Section 10.8).

SFR

ADDRESS

(HEX)

SPECIAL FUNCTION REGISTERS 8 BITS EACH

ADDRESSABLE(1)

ONLY BYTE ADDRESSABLE

F8 to FF

IP1(2)

−

−−−−

WDT(2)

F0 to F7

B(2)

−

−−−−

WDTKEY

E8 to EF

IEN1(2)

IX1

−

−−−−

−

E0 to E7

ACC(2)

−

−−−−

−

D8 to DF

S1CON(2)

S1STA(2)(3) S1DAT(2)

S1ADR(2)

−−−

−

D0 to D7

PSW(2)

−

−−−−

−

C8 to CF

MCON

MBUF

MSTAT

−−−−

−

C0 to C7

IRQ1

INTC

GPADR(3)

GPADC

GPDAR

SYMOD

−

DTCON

B8 to BF

IP0(2)

XWUD

VREFR

CDVC1

CDVC2

CDTR1(4)

−

TCTRL(4)

B0 to B7

P3(2)

−−

−

PMTR1(4)

PMTR2(4)

CDTR2(4)

A8 to AF

IEN0(2)

MCSC

MCSD

ALTP

−−−

−

A0 to A7

−−

DTM0(3)

DTM1(3)

DTM2(3)

MTD0

MTD1

MTD2

98 to 9F

SPCON

CKCON

RTCON

−

CDTR1(4)

−

P4CFG

90 to 97

P1(2)

−

−−−−

−

88 to 8F

TCON(2)

TMOD(2)

TL0(2)

TL1(2)

TH0(2)

TH1(2)

−−

80 to 87

−

SP(2)

DPL(2)

DPH(2)

−−−

PCON

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