83C576 Datasheet, PDF (4/46 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
LOGIC SYMBOL
V_CC V_SS
XTAL1
CMP3+
CMP2+
CMP1+
CMPR–
CMP0+
CMP0–
XTAL2
RST
EA/V_PP
PSEN
ALE/PROG
RxD
TxD
INT0
INT1
T0
T1
WR
RD
PIN CONFIGURATIONS
44-pin Plastic Quad Flat Pack
44
34
1
33
PQFP
11
23
12
22
Pin Function
1 ADIN3/P1.3
2 ADIN4/P1.4
3 ADIN5/P1.5
4 RST
5 RxD/P3.0
6 NC*
7 TXD/P3.1
8 INT0/P3.2/CMP3+
9 INT1/P3.3/CMP2+
10 T0/P3.4/CMP1+
11 T1/P3.5/CMPR–
12 WR/P3.6/CMP0+
13 RD/P3.7CMP0–
14 XTAL2
15 XTAL1
Pin Function
16 V_SS
17 NC*
18 P2.0/A8/CEX0/CMP0
19 P2.1/A9/CEX1/CMP1
20 P2.2/A10/CEX2/CMP2
21 P2.3/A11/CEX3/CMP3
22 P2.4/A12/T2EX/A0
23 P2.5/A13/T2/CS
24 P2.6/A14/CEX4/PWM0
25 P2.7/A15/PWM1/ECI
26 PSEN
27 ALE/PROG
28 NC*
29 EA/V_PP
30 P0.7/AD7/DB7
* NO INTERNAL CONNECTION
Pin Function
31 P0.6/AD6/DB6
32 P0.5/AD5/DB5
33 P0.4/AD4/DB4
34 P0.3/AD3/DB3
35 P0.2/AD2/DB2
36 P0.1/AD1/DB1
37 P0.0/AD0/DB0
38 V_CC
39 NC*
40 +V_REF/AV_CC
41 –V_REF/AV_SS
42 ADIN0/P1.0
43 ADIN1/P1.1
44 ADIN2/P1.2
SU00253B
ADDRESS AND
DATA BUS
ADDRESS BUS
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
ADIN0
ADIN1
ADIN2
ADIN3
ADIN4
ADIN5
PWM1/ECI
CEX4/PWM0
T2/CS#
T2EX/A0
CEX3/CMP3
CEX2/CMP2
CEX1/CMP1
CEX0/CMP0
SU00254A
Plastic Leaded Chip Carrier
6
1
40
7
39
LCC
17
29
18
28
Pin Function
1 NC*
2 +V_REF/AV_CC
3 –V_REF/AV_SS
4 ADIN0/P1.0
5 ADIN1/P1.1
6 ADIN2/P1.2
7 ADIN3/P1.3
8 ADIN4/P1.4
9 ADIN5/P1.5
10 RST
11 RxD/P3.0
12 NC*
13 TxD/P3.1
14 INT0/P3.2/CMP3+
15 INT1/P3.3/CMP2+
Pin Function
16 T0/P3.4/CMP1+
17 T1/P3.5/CMPR–
18 WR/P3.6/CMP0+
19 RD/P3.7/CMP0–
20 XTAL2
21 XTAL1
22 V_SS
23 NC*
24 P2.0/A8/CEX0/CMP0
25 P2.1/A9/CEX1/CMP1
26 P2.2/A10/CEX2/CMP2
27 P2.3/A11/CEX3/CMP3
28 P2.4/A12/T2EX/A0
29 P2.5/A13/T2/CS
30 P2.6/A14/CEX4/PWM0
Pin Function
31 P2.7/A15/PWM1/ECI
32 PSEN
33 ALE/PROG
34 NC*
35 EA/V_PP
36 P0.7/AD7/DB7
37 P0.6/AD6/DB6
38 P0.5/AD5/DB5
39 P0.4/AD4/DB4
40 P0.3/AD3/DB3
41 P0.2/AD2/DB2
42 P0.1/AD1/DB1
43 P0.0/AD0/DB0
44 V_CC
* NO INTERNAL CONNECTION
SU00252A
1998 Jun 04
4