飞利浦半导体
产品speci fi cation
80C51的8位微控制器系列
8K / 256 OTP / ROM ， 6通道10位A / D ， 4个比较，
故障检测电路，看门狗定时器
83C576/87C576
逻辑符号
V
CC
XTAL1
端口0
地址
数据总线
V
SS
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
XTAL2
辅助功能
RST
EA / V
PP
PSEN
辅助功能
ALE / PROG
RXD
TXD
INT0
INT1
T0
T1
WR
RD
CMP3+
CMP2+
CMP1+
CMPR
CMP0+
CMP0–
地址总线
ADIN0
ADIN1
ADIN2
ADIN3
ADIN4
ADIN5
PWM1/ECI
CEX4/PWM0
T2/CS#
T2EX/A0
CEX3/CMP3
CEX2/CMP2
CEX1/CMP1
CEX0/CMP0
端口3
端口2
端口1
SU00254A
销刀豆网络gurations
44引脚塑料四方扁平封装
44
34
7
1
33
LCC
PQFP
17
塑料有引线芯片载体
6
1
40
39
11
23
29
18
12
针
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
功能
ADIN3/P1.3
ADIN4/P1.4
ADIN5/P1.5
RST
RxD/P3.0
NC *
TXD/P3.1
INT0/P3.2/CMP3+
INT1/P3.3/CMP2+
T0/P3.4/CMP1+
T1/P3.5/CMPR–
WR/P3.6/CMP0+
RD/P3.7CMP0–
XTAL2
XTAL1
针
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
22
功能
V
SS
NC *
P2.0/A8/CEX0/CMP0
P2.1/A9/CEX1/CMP1
P2.2/A10/CEX2/CMP2
P2.3/A11/CEX3/CMP3
P2.4/A12/T2EX/A0
P2.5/A13/T2/CS
P2.6/A14/CEX4/PWM0
P2.7/A15/PWM1/ECI
PSEN
ALE / PROG
NC *
EA / V
PP
P0.7/AD7/DB7
针
31
32
33
34
35
36
37
38
39
40
41
42
43
44
功能
P0.6/AD6/DB6
P0.5/AD5/DB5
P0.4/AD4/DB4
P0.3/AD3/DB3
P0.2/AD2/DB2
P0.1/AD1/DB1
P0.0/AD0/DB0
V
CC
NC *
+V
REF
/ AV
CC
–V
REF
/ AV
SS
ADIN0/P1.0
ADIN1/P1.1
ADIN2/P1.2
针
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
功能
NC *
+V
REF
/ AV
CC
–V
REF
/ AV
SS
ADIN0/P1.0
ADIN1/P1.1
ADIN2/P1.2
ADIN3/P1.3
ADIN4/P1.4
ADIN5/P1.5
RST
RxD/P3.0
NC *
TxD/P3.1
INT0/P3.2/CMP3+
INT1/P3.3/CMP2+
针
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
功能
T0/P3.4/CMP1+
T1/P3.5/CMPR–
WR/P3.6/CMP0+
RD/P3.7/CMP0–
XTAL2
XTAL1
V
SS
28
针
31
32
33
34
35
36
37
38
39
40
41
42
43
44
功能
P2.7/A15/PWM1/ECI
PSEN
ALE / PROG
NC *
EA / V
PP
P0.7/AD7/DB7
P0.6/AD6/DB6
P0.5/AD5/DB5
P0.4/AD4/DB4
P0.3/AD3/DB3
P0.2/AD2/DB2
P0.1/AD1/DB1
P0.0/AD0/DB0
V
CC
NC *
P2.0/A8/CEX0/CMP0
P2.1/A9/CEX1/CMP1
P2.2/A10/CEX2/CMP2
P2.3/A11/CEX3/CMP3
P2.4/A12/T2EX/A0
P2.5/A13/T2/CS
P2.6/A14/CEX4/PWM0
*无内部连接
*无内部连接
SU00252A
SU00253B
1998年6月04
4
