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Philips Semiconductors
GENERAL DESCRIPTION
Name
Description
IP1H#
Interrupt Priority 1 High
KBCON#
Keypad Control Register
KBMASK# Keypad Interrupt Mask Register
KBPATN# Keypad Pattern Register
P0*
Port 0
P1*
Port 1
P0M1#
Port 0 Output Mode 1
P0M2#
Port 0 Output Mode 2
P1M1#
Port 1 Output Mode 1
P1M2#
Port 1 Output Mode 2
PCON#
Power Control Register
PCONA#
Power Control Register A
PSW*
Program Status Word
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
TCON*
Timer 0 and 1 Control
2003 Dec 8
SFR
Address
MSB
F7H
-
PSTH
94H
-
-
86H
93H
87
86
CMPREF/
80H
-
-
97
96
90H
-
-
RST
84H
-
-
(P0M1.5) (P0M1.4)
85H
-
-
(P0M2.5) (P0M2.4)
91H
-
-
(P1M1.5)
92H
-
-
(P1M2.5)
87H
SMOD1
SMOD0
BOPD
B5H
RTCPD
-
VCPD
D7
D6
D0H
CY
AC
F6H
-
-
PT0AD.5 PT0AD.4
DFH
-
-
BOF
D1H
RTCF
RTCS1
RTCS0
D2H
D3H
A9H
B9H
99H
9F
9E
98H
SM0/FE
SM1
SM2
BAH
DBMOD
INTLO
CIDIS
81H
8F
8E
88H
TF1
TR1
23
Bit Functions and Addresses
-
-
-
PCH
-
-
-
-
85
84
83
82
CIN1A/
-
KB2
KB5
KB4
95
94
93
92
-
-
-
-
(P0M1.2)
-
(P0M2.2)
-
-
-
-
-
-
BOI
GF1
GF0
-
-
-
D5
D4
D3
D2
F0
RS1
RS0
OV
-
PT0AD.2
POF
R_BK
R_WD
-
-
-
9D
9C
9B
9A
REN
TB8
RB8
DBISEL
FE
BR
8D
8C
8B
8A
TF0
TR0
-
-
User's Manual - Preliminary -
P89LPC901/902/903
Reset Value
LSB
Hex
Binary
1
PKBIH
-
00H
00x00000
PATN_S
1
KBIF
00H
xxxxxx00
EL
00H
00000000
FFH
11111111
81
80
-
-
Note 1
91
90
RxD
TxD
-
-
FFH
11111111
-
-
00H
00000000
1
(P1M1.1) (P1M1.0) FFH
11111111
1
(P1M2.1) (P1M2.0) 00H
00000000
PMOD1
PMOD0
00H
00000000
1
SPD
-
00000000
00H
D1
D0
F1
P
00H
00000000
-
-
00H
xx00000x
R_SF
R_EX
Note 2
1,5
ERTC
RTCEN 60H
011xxx00
5
00H
00000000
5
00H
00000000
00H
00000000
00H
00000000
xxH
xxxxxxxx
99
98
TI
RI
00H
00000000
OE
STINT
00H
00000000
07H
00000111
89
88
-
-
00H
00000000
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