83C576 Datasheet, PDF (8/46 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators, failure detect circuitry, watchdog timer

Philips Semiconductors
80C51 8-bit microcontroller family
8K/256 OTP/ROM, 6 channel 10-bit A/D, 4 comparators,
failure detect circuitry, watchdog timer
Product specification
83C576/87C576
Table 1.
SYMBOL
IP0*
IP1*#
P0*
P1*
P2*
P3*
87C576 Special Function Registers (Continued)
DESCRIPTION
DIRECT
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
ADDRESS MSB
LSB
BF
BE
BD
BC
BB
BA
B9
B8
Interrupt Priority 0
B8H
–
PPC PT2
PS
PT1
PX1 PT0 PX0
Interrupt Priority 1
F8H
POB PIB
PAD PC4
PC3
PC2 PC1 PC0
87
86
85
84
83
82
81
80
Port 0
80H
AD7
AD6
AD5
AD4
AD3
AD2 AD1
AD0
97
96
95
94
93
92
91
90
Port 1
90H
–
–
ADIN5 ADIN4 ADIN3 ADIN2 ADIN1 ADIN0
A7
A6
A5
A4
A3
A2
A1
A0
Port 2
A0H
ECI CEX4 T2 T2EX CEX3 CEX2 CEX1 CEX0
B7
B6
B5
B4
B3
B2
B1
B0
Port 3
B0H
RD
WR
T1
T0
INT1 INT0 TxD RxD
RESET
VALUE
x0000000B
00H
FFH
FFH
FFH
FFH
P0M1#
P0M2#
P1M1#
P1M2#
P2M1#
P2M2#
P3M1#
P3M2#
PCON
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
PSW*
PWCON#
PWMP#
PWM0#
PWM1#
RACAP2H#
RACAP2L#
Program Status Word
PWM Control
PWM Prescaler
PWM Register 0
PWM Register 1
Timer 2 Capture High
Timer 2 Capture Low
84H
85H
94H
95H
A4H
A5H
B4H
B5H
87H
D0H
BCH
BDH
BEH
BFH
CBH
CAH
SMOD1 SMOD0
D7
D6
CY
AC
–
–
OSF¹
D5
F0
–
POF¹
D4
RS1
–
LVF¹
D3
RS0
PWMF
WDT0F¹
D2
OV
EN/CLR
PD
D1
–
PWE1
IDL
D0
P
PWE0
00H
00H
00H
3FH
00H
FFH
00H
FFH
00xxxx00B
00H
00H
00H
00H
00H
00H
00H
SADDR# Slave Address
A9H
00H
SADEN# Slave Address Mask
B9H
00H
SBUF
Serial Data Buffer
99H
xxxxxxxxB
9F
9E
9D
9C
9B
9A
99
98
SCON*
Serial Control
98H SM0/FE SM1
SM2 REN
TB8
RB8
TI
RI 00H
SP
Stack Pointer
81H
07H
8F
8E
8D
8C
8B
8A
89
88
TCON*
Timer Control
88H
TF1
TR1
TF0 TR0
IE1
IT1
IE0
IT0 00H
CF
CE
CD
CC
CB
CA
C9
C8
T2CON* Timer 2 Control
C8H
TF2 EXF2 RCLK TCLK EXEN2 TR2 C/T2 CP/RL2 00H
T2MOD# Timer 2 Mode Control
C9H
–
–
–
–
–
–
T2OE² DCEN xxxxxxx0B
* SFRs are bit addressable.
# SFRs are modified from or added to the 80C51 SFRs.
1. Reset value depends on reset source.
2. Programmable clock-out
1998 Jun 04
8