P89LPC931FDH NXP Semiconductors, P89LPC931FDH Datasheet - Page 12

• Manufacturer Part Number: P89LPC931FDH
• Description: MCU 8-Bit 89LP 80C51 CISC 8KB Flash 2.5V/3.3V 28-Pin TSSOP Tube
• Manufacturer: NXP Semiconductors

Specifications of P89LPC931FDH

• Package: 28TSSOP
• Device Core: 80C51
• Family Name: 89LP
• Maximum Speed: 18 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 26
• Interface Type: I2C/SPI/UART
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 2

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
[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
Program Flash address LOW
Program Flash Control
(Read)
Program Flash Control
(Write)
Program Flash data
I
I
I
2
2
2
C slave address register
C control register
C data register
Bit address
Bit address
Bit address
SFR
addr.
BEH
BFH
BDH
ACH
ADH
DBH
D8H
DAH
E0H
A2H
F0H
95H
83H
82H
E7H
E6H
E4H
E5H
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
STO
CP1
CP2
DC
E4
F4
4
-
-
-
FMCMD.
I2ADR.2
SRST
CN1
CN2
HVA
DB
E3
F3
SI
3
-
-
FMCMD.
I2ADR.1
OE1
OE2
HVE
DA
AA
E2
F2
0
2
-
-
FMCMD.
I2ADR.0
SBRGS
CO1
CO2
SV
E1
F1
D9
1
-
-
FMCMD.
BRGEN
CRSEL
CMF1
CMF2
LSB
DPS
GC
E0
D8
F0
OI
0
Reset value
Hex
00
00
00
00
00
00
00
00
00
00
00
00
00
70
00
00
00
[1]
[6]
[1]
[1]
Binary
00000000
000000x0
00000000
00000000
00000000
xxxxxx00
xx000000
xx000000
00000000
00000000
00000000
00000000
00000000
01110000
00000000
00000000
x00000x0