Philips Semiconductors
GENERAL DESCRIPTION
Name
Description
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
8F
8E
88H
TF1
TR1
8CH
8DH
8AH
8BH
89H
-
-
T1M1
96H
-
ENCLK
TRIM.5
A7H
PRE2
PRE1
PRE0
C1H
C2H
C3H
18
Bit Functions and Addresses
8D
8C
8B
8A
TF0
TR0
-
-
T1M0
-
T0C\T
TRIM.4
TRIM.3
TRIM.2
-
-
WDRUN WDTOF WDCLK
User's Manual - Preliminary -
P89LPC901/902/903
Reset Value
LSB
Hex
Binary
89
88
-
-
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