W78E051C40DL Nuvoton Technology Corporation of America, W78E051C40DL Datasheet - Page 20

• Manufacturer Part Number: W78E051C40DL
• Description: IC MCU 8-BIT 4K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E051C40DL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Typical Application Circuits, continued
9.2 Expanded External Data Memory and Oscillator
8.2 K
V
DD
10 u
OSCILLATOR
V
DD
19
18
12
13
14
15
31
9
1
2
3
4
5
6
7
8
W78E51C/W78E051C
EA
XTAL1
XTAL2
RST
T0
T1
INT0
INT1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
PSEN
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
RXD
P2.7
ALE
TXD
WR
RD
38
37
36
35
34
33
32
39
24
21
22
23
25
26
27
28
16
17
29
30
11
10
Figure B
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
- 20 -
A14
A10
A11
A12
A13
A8
A9
AD1
AD7
AD0
AD2
AD3
AD4
AD5
AD6
GND
18
13
14
17
11
4
3
7
8
1
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
74373
W78E51C/W78E051C
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
12
15
16
19
2
5
6
9
A0
A1
A2
A3
A4
A5
A6
A7
GND
A0
A1
A3
A4
A5
A6
A7
A8
A10
A11
A12
A13
A14
A2
A9
24
21
10
25
23
26
20
22
27
6
4
1
9
8
7
5
3
2
20256
OE
WR
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
CE
D0
D1
D2
D3
D4
D5
D6
D7
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7