P89LPC920FDH PHILIPS [NXP Semiconductors], P89LPC920FDH Datasheet - Page 10

• Manufacturer Part Number: P89LPC920FDH
• Description: 8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM
• Manufacturer: PHILIPS [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
I2SCLH
DPH
DPL
[2]
[2]
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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 E7H
Program Flash address LOW
Program Flash control (Read) E4H
Program Flash control (Write) E4H
Program Flash data
I
I
I
Serial clock generator/SCL
duty cycle register HIGH
2
2
2
C slave address register
C control register
C data register
Bit address
Bit address
Bit address
SFR
addr.
DDH
BEH
BFH
BDH
ACH
ADH
DBH
D8H
DAH
E0H
A2H
F0H
95H
83H
82H
E6H
E5H
Bit functions and addresses
FMCMD.
I2ADR.6
CLKLP
BUSY
MSB
E7
DF
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
00
[1]
[1]
[1]
Binary
00000000
000000x0
00000000
00000000
00000000
xxxxxx00
xx000000
xx000000
00000000
00000000
00000000
00000000
00000000
01110000
00000000
00000000
x00000x0
00000000