Philips P89LPC938 User Manual page 15

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Table 2: P89LPC938 Special function registers
* indicates SFRs that are bit addressable.
Name Description
RTCH RTC register high
RTCL RTC register low
SADDR Serial port address register
SADEN Serial port address enable
SBUF Serial Port data buffer
register
SCON* Serial port control
SSTAT Serial port extended status
register
SP Stack pointer
SPCTL SPI control register
SPSTAT SPI status register
SPDAT SPI data register
TAMOD Timer 0 and 1 auxiliary
mode
TCON* Timer 0 and 1 control
TCR20* CCU control register 0
TCR21 CCU control register 1
TH0 Timer 0 high
TH1 Timer 1 high
TH2 CCU timer high
TICR2 CCU interrupt control
register
TIFR2 CCU interrupt flag register
TISE2 CCU interrupt status
encode register
TL0 Timer 0 low
TL1 Timer 1 low
...continued
SFR Bit functions and addresses
addr.
MSB
D2H
D3H
A9H
B9H
99H
Bit address 9F 9E
98H SM0/FE SM1
BAH DBMOD INTLO
81H
E2H SSIG SPEN
E1H SPIF WCOL
E3H
8FH - -
Bit address 8F 8E
88H TF1 TR1
C8H PLEEN HLTRN
F9H TCOU2 -
8CH
8DH
CDH
C9H TOIE2 TOCIE2D TOCIE2C TOCIE2B TOCIE2A
E9H TOIF2 TOCF2D TOCF2C TOCF2B
DEH - -
8AH
8BH
9D 9C 9B
SM2 REN TB8 RB8
CIDIS DBISEL FE
DORD MSTR CPOL CPHA
- - -
- T1M2 -
8D 8C 8B
TF0 TR0 IE1
HLTEN ALTCD ALTAB TDIR2
- - PLLDV.3 PLLDV.2
TOCF2A
- - - ENCINT.
Reset value
LSB Hex
[6]
00
[6]
00
00
00
xx
9A 99 98
TI RI 00
BR OE STINT 00
07
SPR1 SPR0 04
- - - 00
00
- - T0M2 00
8A 89 88
IT1 IE0 IT0 00
TMOD21 TMOD20 00
PLLDV.1 PLLDV.0 00
00
00
00
- TICIE2B TICIE2A 00
- TICF2B TICF2A 00
ENCINT. ENCINT. 00
2 1 0
00
00
Binary
0000 0000
0000 0000
0000 0000
0000 0000
xxxx xxxx
0000 0000
0000 0000
0000 0111
0000 0100
00xx xxxx
0000 0000
xxx0 xxx0
0000 0000
0000 0000
0xxx 0000
0000 0000
0000 0000
0000 0000
0000 0x00
0000 0x00
xxxx x000
0000 0000
0000 0000