gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 12

• Manufacturer Part Number: gc80c520a
• Description: Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

4 Pin Configurations
The MiDAS1.0 family supports various packages, e.g. 40-pin DIP, 44-pin PLCC, 44-pin MQFP, 28-
SPDIP/SOIC. The pin configurations are shown in Figure 4-1.
ADC1
PWM1
PWM0
ADC1
PWM1
PWM0
/ T2EX / P1.1
ADC2
ADC3
INT2 / P1.4
INT3 / P1.5
INT4 / P1.6
INT5 / P1.7
INT0 / P3.2
INT1 / P3.3
/ T2 / P1.0
RXD / P3.0
TXD / P3.1
/ T0 / P3.4
WR / P3.6
/ T2EX / P1.1
RD / P3.7
T1 / P3.5
ADC2
ADC3
INT0 / P3.2
INT1 / P3.3
RXD / P3.0
TXD / P3.1
/ T2 / P1.0
/ T0 / P3.4
RESET
XTAL2
XTAL1
T1 / P3.5
/ P1.2
/ P1.3
RESET
XTAL2
XTAL1
V
/ P1.2
/ P1.3
SS
V
SS
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
[ 28-SPDIP/SOIC]
10
11
12
13
14
1
2
3
4
5
6
7
8
9
[ 40-PDIP ]
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
P0.0 / AD0 /
P0.1 / AD1
P0.2 / AD2
P0.3 / AD3
P0.4 / AD4
P0.5 / AD5
P0.6 / AD6
P0.7 / AD7
EA /
ALE / PROG
PSEN
P2.7 / A15
P2.6 / A14
P2.5 / A13
P2.4 / A12
P2.3 / A11
P2.2 / A10
P2.1 / A9
P2.0 / A8
DD
V
P0.0 /
P0.1
P0.2
P0.3
EA /
P2.7
P2.6
P2.5
P2.4
P2.3
P2.2
P2.1
P2.0
DD
VPP
Figure 4-1 Pin Configuration
VPP
ADC0
ADC0
Page 12 of 187
PWM0
PWM0
INT3 / P1.5
INT4 / P1.6
INT5 / P1.7
INT0 / P3.2
INT1 / P3.3
RXD / P3.0
TXD / P3.1
/ T0 / P3.4
INT3 / P1.5
INT4 / P1.6
INT5 / P1.7
INT0 / P3.2
INT1 / P3.3
RXD / P3.0
TXD / P3.1
T1 / P3.5
/ T0 / P3.4
T1 / P3.5
RESET
RESET
P4.3
P4.3
10
11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
7
8
9
Functional Description
44 43 42 41 40 39 38 37 36 35 34
12 13 14 15 16 17 18 19 20 21 22
18 19 20 21 22 23 24 25 26 27 28
6
5 4
GC87C520A0-PL44IP
[ 44-MQFP ]
[ 44-PLCC ]
3 2
1 44 43 42 41 40
33
32
31
30
29
28
27
26
25
24
23
39
38
37
36
35
34
33
32
31
30
29
P0.4 / AD4
P0.5 / AD5
P0.6 / AD6
P0.7 / AD7
EA /
P4.1
ALE / PROG
PSEN
P2.7 / A15
P2.6 / A14
P2.5 / A13
P0.4 / AD4
P0.5 / AD5
P0.6 / AD6
P0.7 / AD7
EA /
P4.1
ALE / PROG
PSEN
P2.7 / A15
P2.6 / A14
P2.5 / A13
VPP
VPP