Philips P89LPC920 User Manual page 16

Philips Semiconductors
General Description
Name Description
PSW* Program Status Wword
PT0AD# Port 0 Digital Input Disable
RSTSRC# Reset Source Register
RTCCON# Real-Time Clock Control
RTCH# Real-Time Clock Register High
RTCL# Real-Time Clock 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
TAMOD# Timer 0 and 1 Auxiliary Mode
TCON* Timer 0 and 1 Control
TH0 Timer 0 High
TH1 Timer 1 High
TL0 Timer 0 Low
TL1 Timer 1 Low
TMOD Timer 0 and 1 Mode
TRIM# Internal Oscillator Trim Register
WDCON# Watchdog Control Register
WDL# Watchdog Load
WFEED1# Watchdog Feed 1
WFEED2# Watchdog Feed 2
2003 Dec 8
SFR
Address
MSB
D7 D6
D0H CY AC
F6H - - PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
DFH - -
D1H RTCF RTCS1 RTCS0
D2H
D3H
A9H
B9H
99H
9F 9E
98H SM0/FE SM1 SM2
BAH DBMOD INTLO CIDIS
81H
8FH - -
8F 8E
88H TF1 TR1
8CH
8DH
8AH
8BH
89H T1GATE T1C/T T1M1
96H - ENCLK TRIM.5
A7H PRE2 PRE1 PRE0
C1H
C2H
C3H
16
Bit Functions and Addresses
D5 D4 D3 D2
F0 RS1 RS0 OV
BOF POF R_BK R_WD
- - -
9D 9C 9B 9A
REN TB8 RB8
DBISEL FE BR
- T1M2 - -
8D 8C 8B 8A
TF0 TR0 IE1 IT1
T1M0 T0GATE T0C/T
TRIM.4 TRIM.3 TRIM.2
- - WDRUN WDTOF WDCLK
User's Manual - Preliminary -
P89LPC920/921/922
Reset Value
LSB
Hex Binary
D1 D0
F1 P 00H 00000000
- 00H xx00000x
R_SF R_EX Note 2
1,
60H
ERTC RTCEN 011xxx00
5
5
00H 00000000
5
00H 00000000
00H 00000000
00H 00000000
xxH xxxxxxxx
99 98
TI RI 00H 00000000
OE STINT 00H 00000000
07H 00000111
- T0M2 00H xxx0xxx0
89 88
IE0 IT0 00H 00000000
00H 00000000
00H 00000000
00H 00000000
00H 00000000
T0M1 T0M0 00H 00000000
TRIM.1 TRIM.0 Notes 4,5
Notes 3,5
FFH 11111111