P89LPC931FDH NXP Semiconductors, P89LPC931FDH Datasheet - Page 14

• 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
P0M1
P0M2
P1M1
P1M2
P2M1
P2M2
P3M1
P3M2
PCON
PCONA
PSW*
PT0AD
RSTSRC
RTCCON
RTCH
RTCL
SADDR
SADEN
SBUF
SCON*
SSTAT
SP
SPCTL
SPSTAT
SPDAT
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
Special function registers
Description
Port 0 output mode 1
Port 0 output mode 2
Port 1 output mode 1
Port 1 output mode 2
Port 2 output mode 1
Port 2 output mode 2
Port 3 output mode 1
Port 3 output mode 2
Power control register
Power control register A
Program status word
Port 0 digital input disable
Reset source register
Real-time clock control
Real-time clock register HIGH D2H
Real-time clock register LOW
Serial port address register
Serial port address enable
Serial port data buffer register
Serial port control
Serial port extended status
register
Stack pointer
SPI Control Register
SPI Status Register
SPI Data Register
Bit address
Bit address
…continued
SFR
addr.
D0H
DFH
D1H
D3H
BAH
84H
85H
91H
92H
A4H
A5H
B1H
B2H
87H
B5H
F6H
A9H
B9H
99H
98H
81H
E2H
E1H
E3H
Bit functions and addresses
(P0M1.7) (P0M1.6) (P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF
(P0M2.7) (P0M2.6) (P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00
(P1M1.7) (P1M1.6)
(P1M2.7) (P1M2.6)
(P2M1.7) (P2M1.6) (P2M1.5) (P2M1.4) (P2M1.3) (P2M1.2) (P2M1.1) (P2M1.0) FF
(P2M2.7) (P2M2.6) (P2M2.5) (P2M2.4) (P2M2.3) (P2M2.2) (P2M2.1) (P2M2.0) 00
DBMOD
SMOD1
SM0/FE
RTCPD
RTCF
SSIG
MSB
SPIF
D7
CY
9F
-
-
-
-
SMOD0
RTCS1
INTLO
WCOL
SPEN
SM1
AC
D6
9E
-
-
-
-
-
PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
RTCS0
DORD
BOPD
VCPD
CIDIS
BOF
SM2
D5
9D
F0
-
-
-
-
-
(P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00
DBISEL
MSTR
POF
REN
RS1
BOI
D4
9C
-
-
-
-
-
R_BK
CPOL
I2PD
GF1
RS0
TB8
D3
9B
FE
-
-
-
-
R_WD
SPPD
CPHA
GF0
RB8
D2
OV
9A
BR
-
-
-
-
(P3M1.1) (P3M1.0) 03
(P3M2.1) (P3M2.0) 00
PMOD1
R_SF
ERTC
SPR1
SPD
OE
D1
F1
99
TI
-
PMOD0
RTCEN
STINT
R_EX
SPR0
LSB
D0
98
RI
P
-
-
-
Reset value
Hex
00
00
00
00
60
[6]
00
00
00
00
xx
00
00
07
04
00
00
[1]
[1]
[1]
[1]
[1]
[6]
[6]
[1]
[1]
Binary
11111111
00000000
11x1xx11
00x0xx00
11111111
00000000
xxxxxx11
xxxxxx00
00000000
00000000
00000000
xx00000x
011xxx00
00000000
00000000
00000000
00000000
xxxxxxxx
00000000
00000000
00000111
00000100
00xxxxxx
00000000
[3]