Special Function Registers Table - P89Lpc903 - Philips P89LPC902 User Manual

8-bit microcontrollers with accelerated two-clock 80c51 core 1kb 3v low-power byte-eraseable flash with 128 byte ram
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Philips Semiconductors
GENERAL DESCRIPTION

Special Function Registers Table - P89LPC903

Name
Description
ACC*
Accumulator
AUXR1#
Auxiliary Function Register
B*
B Register
BRGR0#§ Baud Rate Generator Rate Low
BRGR1#§ Baud Rate Generator Rate High
BRGCON# Baud Rate Generator Control
CMP1#
Comparator 1 Control Register
CMP2#
Comparator 2 Control Register
DIVM#
CPU Clock Divide-by-M Control
DPTR
Data Pointer (2 bytes)
DPH
Data Pointer High
DPL
Data Pointer Low
FMADRH# Program Flash Address High
FMADRL# Program Flash Address Low
Program Flash Control (Read)
FMCON#
Program Flash Control (Write)
FMDATA# Program Flash Data
IEN0*
Interrupt Enable 0
IEN1*#
Interrupt Enable 1
IP0*
Interrupt Priority 0
IP0H#
Interrupt Priority 0 High
IP1*#
Interrupt Priority 1
2003 Dec 8
SFR
Address
MSB
E7
E6
E0H
A2H
-
EBRR
F7
F6
F0H
BEH
BFH
BDH
-
-
ACH
-
-
ADH
-
-
95H
83H
82H
E7H
E6H
BUSY
-
E4H
FMCMD.
FMCMD.
FMCMD.
7
6
E5H
AF
AE
A8H
EA
EWDRT
EBO
EF
EE
E8H
-
EST
BF
BE
B8H
-
PWDRT
PBO
PWDRT
B7H
-
PBOH
H
FF
FE
F8H
-
PST
22
Bit Functions and Addresses
E5
E4
E3
E2
-
-
SRST
0
F5
F4
F3
F2
-
-
-
-
CE1
-
CN1
-
CE2
-
CN2
-
-
-
HVA
HVE
FMCMD.
FMCMD.
FMCMD.
5
4
3
2
AD
AC
AB
AA
ES/ESR
ET1
-
ED
EC
EB
EA
-
-
-
EC
BD
BC
BB
BA
PS/PSR
PT1
-
PSH/
PT1H
-
PSRH
FD
FC
FB
FA
-
-
-
PC
User's Manual - Preliminary -
P89LPC901/902/903
Reset Value
LSB
Hex
Binary
E1
E0
00H
00000000
1
-
DPS
00H
000000x0
F1
F0
00H
00000000
00H
00000000
00H
00000000
%
SBRGS
BRGEN 00H
xxxxxx00
1
CO1
CMF1
00H
xx000000
1
CO2
CMF2
00H
xx000000
00H
00000000
00H
00000000
00H
00000000
00H
00000000
00H
00000000
SV
OI
70H
01110000
FMCMD.
FMCMD.
1
0
00H
00000000
A9
A8
ET0
-
00H
00000000
E9
E8
1
EKBI
-
00H
00x00000
B9
B8
1
PT0
-
00H
x0000000
1
PT0H
-
00H
x0000000
F9
F8
1
PKBI
-
00H
00x00000

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