P80C3XX2_8XC5XX2 NXP Semiconductors, P80C3XX2_8XC5XX2 Datasheet - Page 12

• Manufacturer Part Number: P80C3XX2_8XC5XX2
• Description: The Philips microcontrollers described in this data sheet arehigh-performance static 80C51 designs incorporating Philips?high-density CMOS technology with operation from 2
• Manufacturer: NXP Semiconductors

Unused register bits that are not defined should not be set by the user’s program. If violated, the device could function incorrectly.
*
# SFRs are modified from or added to the 80C51 SFRs.
– Reserved bits.
1. Reset value depends on reset source.
2. LPEP – Low Power EPROM operation (OTP only)
Philips Semiconductors
Table 1.
NOTE:
2003 Jan 24
ACC*
AUXR#
AUXR1#
B*
CKCON
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
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
DPH
SFRs are bit addressable.
1
Accumulator
Auxiliary
Auxiliary 1
B register
Clock Control 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
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
8FH
83H
82H
80H
90H
87H
99H
98H
81H
88H
89H
SM0/FE
SMOD1
GATE
AD15
MSB
AD7
TF1
TF2
RD
CY
AF
EA
BF
D7
CF
E7
F7
87
97
A7
B7
9F
8F
–
–
–
–
–
–
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
SMOD0
AD14
EXF2
AD6
SM1
TR1
WR
C/T
AC
CE
E6
AE
BE
A6
B6
D6
9E
8E
F6
86
96
–
–
–
–
–
–
–
–
12
RCLK
PT2H
AD13
AD5
SM2
ET2
PT2
TF0
AD
BD
CD
M1
E5
A5
B5
T1
D5
F0
9D
8D
F5
85
95
–
–
–
–
–
–
LPEP
AD12
TCLK
REN
PSH
AD4
POF
RS1
TR0
ES
PS
CC
M0
AC
BC
T0
D4
9C
8C
E4
F4
84
94
A4
B4
–
–
–
–
2
EXEN2
WUPD
GATE
PT1H
AD11
INT1
AD3
GF1
RS0
ET1
PT1
TB8
IE1
E3
AB
BB
A3
B3
D3
9B
8B
CB
F3
83
93
–
–
–
–
P80C3xX2; P80C5xX2;
PX1H
AD10
INT0
AD2
GF0
RB8
EX1
PX1
TR2
C/T
OV
IT1
CA
E2
AA
BA
A2
B2
D2
9A
8A
F2
82
92
–
0
–
–
–
T2OE
PT0H
T2EX
C/T2
AD1
AD9
ET0
PT0
TxD
IE0
PD
M1
E1
A9
B9
A1
B1
D1
C9
F1
81
91
99
89
TI
–
–
–
–
CP/RL2
DCEN
PX0H
LSB
DPS
EX0
PX0
AD0
AD8
RxD
IDL
AO
IT0
M0
P87C5xX2
X2
D0
C8
E0
F0
A8
B8
80
90
T2
A0
B0
98
88
RI
P
Product data
00H
xxxxxxx0B
xxx000x0B
00H
xxx00000B
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