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P89LPC932A1_3 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 03 — 12 March 2007 15 of 64
NXP Semiconductors
P89LPC932A1
8-bit microcontroller with accelerated two-clock 80C51 core
PCONA Power control register A B5H RTCPD DEEPD VCPD - I2PD SPPD SPD CCUPD 00
[2]
0000 0000
Bit address D7 D6 D5 D4 D3 D2 D1 D0
PSW* Program status word D0H CY AC F0 RS1 RS0 OV F1 P 00 0000 0000
PT0AD Port 0 digital input disable F6H - - PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1 - 00 xx00 000x
RSTSRC Reset source register DFH - - BOF POF R_BK R_WD R_SF R_EX
[3]
RTCCON Real-time clock control D1H RTCF RTCS1 RTCS0 - - - ERTC RTCEN 60
[2][4]
011x xx00
RTCH Real-time clock register high D2H 00
[4]
0000 0000
RTCL Real-time clock register low D3H 00
[4]
0000 0000
SADDR Serial port address register A9H 00 0000 0000
SADEN Serial port address enable B9H 00 0000 0000
SBUF Serial Port data buffer
register
99H xx xxxx xxxx
Bit address 9F 9E 9D 9C 9B 9A 99 98
SCON* Serial port control 98H SM0/FE SM1 SM2 REN TB8 RB8 TI RI 00 0000 0000
SSTAT Serial port extended status
register
BAH DBMOD INTLO CIDIS DBISEL FE BR OE STINT 00 0000 0000
SP Stack pointer 81H 07 0000 0111
SPCTL SPI control register E2H SSIG SPEN DORD MSTR CPOL CPHA SPR1 SPR0 04 0000 0100
SPSTAT SPI status register E1H SPIF WCOL ------0000xx xxxx
SPDAT SPI data register E3H 00 0000 0000
TAMOD Timer 0 and 1 auxiliary mode 8FH - - - T1M2 - - - T0M2 00 xxx0 xxx0
Bit address 8F 8E 8D 8C 8B 8A 89 88
TCON* Timer 0 and 1 control 88H TF1 TR1 TF0 TR0 IE1 IT1 IE0 IT0 00 0000 0000
TCR20* CCU control register 0 C8H PLEEN HLTRN HLTEN ALTCD ALTAB TDIR2 TMOD21 TMOD20 00 0000 0000
TCR21 CCU control register 1 F9H TCOU2 - - - PLLDV.3 PLLDV.2 PLLDV.1 PLLDV.0 00 0xxx 0000
TH0 Timer 0 high 8CH 00 0000 0000
TH1 Timer 1 high 8DH 00 0000 0000
TH2 CCU timer high CDH 00 0000 0000
TICR2 CCU interrupt control register C9H TOIE2 TOCIE2D TOCIE2C TOCIE2B TOCIE2A - TICIE2B TICIE2A 00 0000 0x00
TIFR2 CCU interrupt flag register E9H TOIF2 TOCF2D TOCF2C TOCF2B TOCF2A - TICF2B TICF2A 00 0000 0x00
Table 3. Special function registers
…continued
* indicates SFRs that are bit addressable.
Name Description SFR
addr.
Bit functions and addresses Reset value
MSB LSB Hex Binary