General description – Philips P89LPC903 User Manual
Page 17
Philips Semiconductors
User’s Manual - Preliminary -
P89LPC901/902/903
GENERAL DESCRIPTION
2003 Dec 8
17
IP0H#
Interrupt Priority 0 High
B7H
-
PWDRT
H
PBOH
-
PT1H
-
PT0H
-
00H
1
x0000000
FF
FE
FD
FC
FB
FA
F9
F8
IP1*#
Interrupt Priority 1
F8H
-
-
-
-
-
PC
PKBI
-
00H
1
00x00000
IP1H#
Interrupt Priority 1 High
F7H
-
-
-
-
-
PCH
PKBIH
-
00H
1
00x00000
KBCON#
Keypad Control Register
94H
-
-
-
-
-
-
PATN_S
EL
KBIF
00H
1
xxxxxx00
KBMASK# Keypad Interrupt Mask Register
86H
00H
00000000
KBPATN# Keypad Pattern Register
93H
FFH
11111111
87
86
85
84
83
82
81
80
P0*
Port 0
80H
-
-
CMPREF/
KB5
CIN1A/
KB4
-
-
-
-
Note 1
97
96
95
94
93
92
91
90
P1*
Port 1
90H
-
-
RST
-
-
T0
-
-
B7
B6
B5
B4
B3
B2
B1
B0
P3*
Port 3
B0H
-
-
-
-
-
-
XTAL1
XTAL2
Note 1
P0M1#
Port 0 Output Mode 1
84H
-
-
(P0M1.5) (P0M1.4)
-
-
-
-
FFH
11111111
P0M2#
Port 0 Output Mode 2
85H
-
-
(P0M2.5) (P0M2.4)
-
-
-
-
00H
00000000
P1M1#
Port 1 Output Mode 1
91H
-
-
(P1M1.5)
-
-
(P1M1.2)
-
-
FFH
1
11111111
P1M2#
Port 1 Output Mode 2
92H
-
-
(P1M2.5)
-
-
(P1M2.2)
-
-
00H
1
00000000
P3M1#
Port 3 Output Mode 1
B1H
-
-
-
-
-
-
(P3M1.1) (P3M1.0) 03H
1
xxxxxx11
P3M2#
Port 3 Output Mode 2
B2H
-
-
-
-
-
-
(P3M2.1) (P3M2.0) 00H
1
xxxxxx00
PCON#
Power Control Register
87H
-
-
BOPD
BOI
GF1
GF0
PMOD1 PMOD0
00H
00000000
PCONA#
Power Control Register A
B5H
RTCPD
-
VCPD
-
-
-
-
-
00H
1
00000000
D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program Status Word
D0H
CY
AC
F0
RS1
RS0
OV
F1
P
00H
00000000
PT0AD#
Port 0 Digital Input Disable
F6H
-
-
PT0AD.5 PT0AD.4
-
-
-
-
00H
xx00000x
RSTSRC# Reset Source Register
DFH
-
-
BOF
POF
-
R_WD
R_SF
R_EX
Note 2
RTCCON# Real-Time Clock Control
D1H
RTCF
RTCS1
RTCS0
-
-
-
ERTC
RTCEN 60H
1,5
011xxx00
RTCH#
Real-Time Clock Register High
D2H
00H
5
00000000
RTCL#
Real-Time Clock Register Low
D3H
00H
5
00000000
SP
Stack Pointer
81H
07H
00000111
TAMOD#
Timer 0 Auxiliary Mode
8FH
-
-
-
-
-
-
-
T0M2
00H
xxx0xxx0
Name
Description
SFR
Address
Bit Functions and Addresses
Reset Value
MSB
LSB
Hex
Binary