General description – Philips P89LPC903 User Manual
Page 19
Philips Semiconductors
User’s Manual - Preliminary -
P89LPC901/902/903
GENERAL DESCRIPTION
2003 Dec 8
19
Special Function Registers Table - P89LPC902
Name
Description
SFR
Address
Bit Functions and Addresses
Reset Value
MSB
LSB
Hex
Binary
E7
E6
E5
E4
E3
E2
E1
E0
ACC*
Accumulator
E0H
00H
00000000
AUXR1#
Auxiliary Function Register
A2H
-
-
-
-
SRST
0
-
DPS
00H
1
000000x0
F7
F6
F5
F4
F3
F2
F1
F0
B*
B Register
F0H
00H
00000000
CMP1#
Comparator 1 Control Register
ACH
-
-
CE1
-
CN1
OE1
CO1
CMF1
00H
1
xx000000
CMP2#
Comparator 2 Control Register
ADH
-
-
CE2
-
CN2
OE2
CO2
CMF2
00H
1
xx000000
DIVM#
CPU Clock Divide-by-M Control
95H
00H
00000000
DPTR
Data Pointer (2 bytes)
DPH
Data Pointer High
83H
00H
00000000
DPL
Data Pointer Low
82H
00H
00000000
FMADRH# Program Flash Address High
E7H
00H
00000000
FMADRL# Program Flash Address Low
E6H
00H
00000000
FMCON#
Program Flash Control (Read)
E4H
BUSY
-
-
-
HVA
HVE
SV
OI
70H
01110000
Program Flash Control (Write)
FMCMD.
7
FMCMD.
6
FMCMD.
5
FMCMD.
4
FMCMD.
3
FMCMD.
2
FMCMD.
1
FMCMD.
0
FMDATA# Program Flash Data
E5H
00H
00000000
AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt Enable 0
A8H
EA
EWDRT
EBO
-
ET1
-
ET0
-
00H
00000000
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*#
Interrupt Enable 1
E8H
-
-
-
-
-
EC
EKBI
-
00H
1
00x00000
BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt Priority 0
B8H
-
PWDRT
PBO
-
PT1
-
PT0
-
00H
1
x0000000
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