W78E516B40DL Nuvoton Technology Corporation of America, W78E516B40DL Datasheet - Page 4

• Manufacturer Part Number: W78E516B40DL
• Description: IC MCU 8-BIT 64K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E516B40DL

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

3. PIN CONFIGURATIONS
INT1, P3.3
INT2, P4.3
INT0, P3.2
RXD, P3.0
TXD, P3.1
T0, P3.4
T1, P3.5
P1.5
P1.6
P1.7
RST
40-Pin DIP
44-Pin PLCC
7
8
9
10
11
12
13
14
15
16
17
18
P
1
.
4
P
3
.
6
,
/
W
R
6
19
P
1
.
3
P
3
.
7
,
/
R
D
5
20
P
1
.
2
X
T
A
L
2
4
21
T
2
E
X
,
P
1
.
1
X
T
A
L
1
3
22
T
2
,
P
1
.
0
V
S
S
2
23
P
4
.
0
/
I
N
T
3
,
P
4
.
2
1 44 43 42 41
24
V
D
D
P
2
.
0
,
A
8
25
P
2
.
1
,
A
9
A
D
0
,
P
0
.
0
26
P
2
.
2
,
A
1
0
A
D
1
,
P
0
.
1
27
A
D
2
,
P
0
.
2
P
2
.
3
,
A
1
1
28
40
P
2
.
4
,
A
1
2
A
D
3
,
P
0
.
3
39
38
37
36
35
34
33
32
31
30
29
P4.1
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13
T2EX, P1.1
INT0, P3.2
INT1, P3.3
RXD, P3.0
TXD, P3.1
WR, P3.6
RD, P3.7
T0, P3.4
T1, P3.5
T2, P1.0
XTAL2
XTAL1
VSS
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
- 4 -
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
RXD, P3.0
INT0, P3.2
INT1, P3.3
INT2, P4.3
VDD
TXD, P3.1
P0.1, AD1
P0.2, AD2
P0.3, AD3
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
ALE
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
P0.0, AD0
T0, P3.4
T1, P3.5
44-Pin QFP
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
12
44 43 42 41
P
1
.
4
P
3
.
6
,
/
W
R
13
P
3
.
7
,
/
R
D
P
1
.
3
14
X
T
A
L
2
P
1
.
2
15
X
T
A
L
1
T
2
E
X
,
P
1
.
1
16
40 39 38 37 36 35
T
2
,
P
1
.
0
V
S
S
17
/
I
N
T
3
,
P
4
.
2
P
4
.
0
18
P
2
.
0
,
A
8
V
D
D
19
P
2
.
1
,
A
9
A
D
0
,
P
0
.
0
W78E516B
20
P
2
.
2
,
A
1
0
A
D
1
,
P
0
.
1
21
P
2
.
3
,
A
1
1
A
D
2
,
P
0
.
2
22
34
P
2
.
4
,
A
1
2
A
D
3
,
P
0
.
3
33
32
31
30
29
28
27
26
25
24
23
P4.1
P0.4, AD4
P0.5, AD5
P0.6, AD6
P0.7, AD7
EA
ALE
PSEN
P2.7, A15
P2.6, A14
P2.5, A13