P89LPC901 PHILIPS [NXP Semiconductors], P89LPC901 Datasheet - Page 21

• Manufacturer Part Number: P89LPC901
• Description: 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 9:
* indicates SFRs that are bit addressable.
Name
ACC*
AUXR1
B*
BRGR0
BRGR1
BRGCON
CMP1
CMP2
DIVM
DPTR
FMADRH
FMADRL
FMCON
FMDATA
IEN0*
IEN1*
IP0*
DPH
DPL
[2]
[2]
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P89LPC903 Special function registers
Description
Accumulator
Auxiliary function register
B register
Baud rate generator rate
LOW
Baud rate generator rate
HIGH
Baud rate generator control
Comparator 1 control register
Comparator 2 control register
CPU clock divide-by-M
control
Data pointer (2 bytes)
Data pointer HIGH
Data pointer LOW
Program Flash address HIGH
Program Flash address LOW
Program Flash Control
(Read)
Program Flash Control
(Write)
Program Flash data
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Bit address
Bit address
Bit address
Bit address
SFR
addr.
BDH
ADH
E0H
A2H
BEH
BFH
ACH
E7H
E6H
E4H
E5H
A8H
E8H
B8H
F0H
95H
83H
82H
FMCMD.
BUSY
MSB
E7
EA
EF
BF
F7
7
-
-
-
-
-
-
FMCMD.
EWDRT
PWDRT
EBRR
EST
EE
BE
E6
F6
6
-
-
-
-
FMCMD.
EBO
PBO
CE1
CE2
ED
BD
E5
F5
5
-
-
-
-
Bit functions and addresses
FMCMD.
ES/ESR
PS/PSR
EC
BC
E4
F4
4
-
-
-
-
-
-
FMCMD.
SRST
CN1
CN2
HVA
ET1
PT1
BB
EB
E3
F3
3
-
-
FMCMD.
HVE
EA
EC
BA
E2
F2
0
2
-
-
-
-
-
FMCMD.
SBRGS
EKBI
CO1
CO2
ET0
PT0
E1
SV
E9
B9
F1
1
-
FMCMD.
BRGEN
CMF1
CMF2
LSB
DPS
B8
E0
F0
E8
OI
0
-
-
-
Reset value
Hex
00
00
00
00
00
00
00
00
00
00
00
00
00
70
00
00
00
00
[1]
[6]
[1]
[1]
[1]
[1]
Binary
00000000
000000x0
00000000
00000000
00000000
xxxxxx00
xx000000
xx000000
00000000
00000000
00000000
00000000
00000000
01110000
00000000
00000000
00x00000
x0000000