P80C31SBPN NXP Semiconductors, P80C31SBPN Datasheet - Page 7

• Manufacturer Part Number: P80C31SBPN
• Description: MCU 8-Bit 80C 80C51 CISC ROMLess 3.3V/5V 40-Pin PDIP Tube
• Manufacturer: NXP Semiconductors

Specifications of P80C31SBPN

• Package: 40PDIP
• Device Core: 80C51
• Family Name: 80C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: UART
• Number Of Timers: 3
• Ram Size: 128 Byte
• Program Memory Type: ROMLess
• Operating Temperature: 0 to 70 °C
• Controller Family/series: 80C51
• No. Of I/o's: 32
• Ram Memory Size: 128Byte
• Cpu Speed: 16MHz
• No. Of Timers: 3
• Digital Ic Case Style: DIP
• Supply Voltage Range: 2.7V To 5.5V
• Core Size: 8 Bit
• Embedded Interface Type: UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

*
# SFRs are modified from or added to the 80C51 SFRs.
– Reserved bits.
1. Reset value depends on reset source.
2. Not available on 80C31.
Philips Semiconductors
Table 1.
NOTE:
Unused register bits that are not defined should not be set by the user’s program. If violated, the device could function incorrectly.
2000 Aug 07
ACC*
AUXR#
AUXR1#
B*
DPTR:
IE*
IP*
IPH#
P0*
P1*
P2*
P3*
PCON#
PSW*
RACAP2H#
RACAP2L#
SADDR#
SADEN#
SBUF
SCON*
SP
TCON*
T2CON*
T2MOD#
TH0
TH1
TH2#
TL0
TL1
TL2#
TMOD
SYMBOL
DPL
80C51 8-bit microcontroller family
128/256 byte RAM ROMless low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
DPH
SFRs are bit addressable.
1
Accumulator
Auxiliary
Auxiliary 1
B register
Data Pointer (2 bytes)
Data Pointer High
Data Pointer Low
Interrupt Enable
Interrupt Priority
Interrupt Priority High
Port 0
Port 1
Port 2
Port 3
Power Control
Program Status Word
Timer 2 Capture High
Timer 2 Capture Low
Slave Address
Slave Address Mask
Serial Data Buffer
Serial Control
Stack Pointer
Timer Control
Timer 2 Control
Timer 2 Mode Control
Timer High 0
Timer High 1
Timer High 2
Timer Low 0
Timer Low 1
Timer Low 2
Timer Mode
8XC51/80C31 Special Function Registers
DESCRIPTION
ADDRESS
DIRECT
CBH
CAH
CDH
CCH
E0H
8EH
A2H
A8H
B8H
B7H
A0H
B0H
D0H
A9H
B9H
C8H
C9H
8CH
8DH
8AH
8BH
F0H
83H
82H
80H
90H
87H
99H
98H
81H
88H
89H
MSB
SM0/FE
SMOD1
GATE
AD15
AD7
TF1
TF2
RD
CY
E7
AF
EA
BF
B7
A7
B7
D7
CF
F7
87
97
9F
8F
–
–
–
–
–
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
SMOD0
AD14
EXF2
AD6
SM1
TR1
WR
C/T
AE
BE
D6
AC
CE
E6
F6
B6
86
96
A6
B6
9E
8E
–
–
–
–
–
–
–
7
RCLK
PT2H
AD13
AD5
SM2
ET2
PT2
TF0
AD
BD
CD
M1
E5
F5
B5
A5
B5
T1
D5
F0
9D
8D
85
95
–
–
–
–
–
AD12
TCLK
REN
PSH
AD4
POF
RS1
TR0
AC
ES
BC
PS
CC
M0
E4
F4
B4
A4
B4
T0
D4
9C
8C
84
94
–
–
–
–
WUPD
EXEN2
GATE
PT1H
AD11
INT1
AD3
GF1
RS0
ET1
PT1
TB8
IE1
AB
BB
CB
E3
F3
B3
A3
B3
D3
9B
8B
83
93
–
–
–
2
PX1H
AD10
INT0
AD2
GF0
RB8
EX1
PX1
TR2
C/T
OV
IT1
AA
BA
D2
CA
E2
F2
B2
A2
B2
9A
8A
82
92
–
0
–
–
T2OE
PT0H
T2EX
C/T2
AD1
AD9
ET0
PT0
TxD
IE0
PD
M1
E1
F1
A9
B9
B1
A1
B1
D1
C9
81
91
99
89
TI
–
–
–
80C31/80C32
CP/RL2
LSB
DCEN
PX0H
DPS
Product specification
EX0
PX0
AD0
AD8
RxD
IDL
AO
IT0
M0
E0
A8
B8
B0
A0
B0
D0
C8
F0
80
90
T2
98
88
RI
P
00H
xxxxxxx0B
xxx000x0B
00H
00H
00H
0x000000B
xx000000B
xx000000B
FFH
FFH
FFH
FFH
00xx0000B
000000x0B
00H
00H
00H
00H
xxxxxxxxB
00H
07H
00H
00H
xxxxxx00B
00H
00H
00H
00H
00H
00H
00H
RESET
VALUE