p89lpc9401 NXP Semiconductors, p89lpc9401 Datasheet - Page 12

• Manufacturer Part Number: p89lpc9401
• Description: 8-bit Microcontroller With Accelerated Two-clock 80c51 Core 8 Kb 3 V Byte-erasable Flash With 32 Segment X 4 Lcd Driver
• Manufacturer: NXP Semiconductors

Table 4:
* indicates SFRs that are bit addressable.
Name
ACC*
AUXR1
B*
BRGR0
BRGR1
BRGCON
CMP1
CMP2
DIVM
DPTR
FMADRH
FMADRL
FMCON
FMDATA
I2ADR
I2CON*
I2DAT
DPH
DPL
[1]
[1]
Special function registers
Description
Accumulator
Auxiliary function register
B register
Baud rate generator rate low BEH
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
I
register
I
I
2
2
2
C-bus slave address
C-bus control register
C-bus data register
Bit address
Bit address
Bit address
SFR
addr.
BDH
ACH
ADH
DBH
DAH
E0H
A2H
F0H
BFH
E7H
E6H
E4H
E4H
E5H
D8H
95H
83H
82H
Bit functions and addresses
FMCMD.
I2ADR.6
CLKLP
BUSY
MSB
DF
E7
F7
7
-
-
-
-
FMCMD.
I2ADR.5
EBRR
I2EN
DE
E6
F6
6
-
-
-
-
FMCMD.
I2ADR.4
ENT1
CE1
CE2
STA
DD
E5
F5
5
-
-
FMCMD.
I2ADR.3
ENT0
CP1
CP2
STO
DC
E4
F4
4
-
-
FMCMD.
I2ADR.2
SRST
CN1
CN2
HVA
DB
E3
F3
SI
3
-
FMCMD.
I2ADR.1
HVE
OE1
OE2
DA
E2
F2
AA
0
2
-
FMCMD.
I2ADR.0
SBRGS
CO1
CO2
SV
E1
F1
D9
1
-
-
FMCMD.
BRGEN 00
CRSEL
CMF1
CMF2
DPS
LSB
GC
E0
F0
D8
OI
0
Reset value
Hex
00
00
00
00
00
00
00
00
00
00
00
00
70
00
00
00
[1]
[2]
[2]
Binary
0000 0000
0000 00x0
0000 0000
0000 0000
0000 0000
xxxx xx00
xx00 0000
xx00 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0111 0000
0000 0000
0000 0000
x000 00x0