P89LPC901 PHILIPS [NXP Semiconductors], P89LPC901 Datasheet - Page 18

• 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 8:
* indicates SFRs that are bit addressable.
Name
ACC*
AUXR1
B*
CMP1
CMP2
DIVM
DPTR
FMADRH
FMADRL
FMCON
FMDATA
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
DPH
DPL
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P89LPC902 Special function registers
Description
Accumulator
Auxiliary function register
B register
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
Interrupt priority 0 HIGH
Interrupt priority 1
Interrupt priority 1 HIGH
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
addr.
ADH
E0H
A2H
ACH
E7H
E6H
E4H
E5H
A8H
E8H
B8H
B7H
F0H
95H
83H
82H
F8H
F7H
FMCMD.
BUSY
MSB
E7
EA
EF
BF
FF
F7
7
-
-
-
-
-
-
-
-
FMCMD.
EWDRT
PWDRT
PWDRT
EE
BE
FE
E6
F6
H
6
-
-
-
-
-
-
-
FMCMD.
PBOH
EBO
PBO
CE1
CE2
ED
BD
FD
E5
F5
5
-
-
-
-
-
Bit functions and addresses
FMCMD.
EC
BC
E4
FC
F4
4
-
-
-
-
-
-
-
-
-
-
FMCMD.
SRST
PT1H
CN1
CN2
HVA
ET1
PT1
BB
EB
FB
E3
F3
3
-
-
-
FMCMD.
HVE
PCH
OE1
OE2
EA
EC
BA
PC
E2
F2
FA
0
2
-
-
-
FMCMD.
PKBIH
PT0H
EKBI
PKBI
CO1
CO2
ET0
PT0
E1
SV
E9
B9
F1
F9
1
-
FMCMD.
CMF1
CMF2
LSB
DPS
B8
E0
F0
E8
F8
OI
0
-
-
-
-
-
-
Reset value
Hex
00
00
00
00
00
00
00
00
00
00
70
00
00
00
00
00
00
00
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Binary
00000000
000000x0
00000000
xx000000
xx000000
00000000
00000000
00000000
00000000
00000000
01110000
00000000
00000000
00x00000
x0000000
x0000000
00x00000
00x00000