W78E516B40DL Nuvoton Technology Corporation of America, W78E516B40DL Datasheet - Page 28

• 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: -

9. TYPICAL APPLICATION CIRCUITS
9.1 External Program Memory and Crystal
Notes:
8.2 K
V
1. C1, C2, R components refer to Figure A
2. Crystal layout must get close to XTAL1 and XTAL2 pins on user's application board.
DD
10 u
C1
CRYSTAL
16 MHz
24 MHz
32 MHz
40 MHz
CRYSTAL
6 MHz
C2
Above table shows the reference values for crystal applications.
R
12
13
14
15
19
18
31
9
7
8
1
2
3
4
5
6
W78E516B
XTAL2
INT1
T0
XTAL1
RST
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
INT0
EA
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
P2.7
RXD
ALE
TXD
47P
30P
15P
10P
WR
RD
C1
5P
36
38
37
35
34
33
32
21
25
39
22
23
24
26
27
28
17
16
11
10
29
30
Figure A
AD1
AD2
AD3
AD4
AD5
AD6
AD0
AD7
- 28 -
A9
A10
A11
A12
A13
A14
A15
A8
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD0
GND
13
14
17
18
11
3
4
7
8
1
74LS373
D0
D1
D2
D3
D4
D5
D6
D7
G
OC
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
47P
30P
10P
10P
5P
C2
12
15
16
19
2
5
6
9
A0
A1
A2
A3
A4
A5
A6
A7
GND
A10
A13
A11
A12
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
27
10
25
24
21
23
26
20
22
2
1
9
8
7
6
5
4
3
27512
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
CE
OE
W78E516B
O0
O1
O2
O3
O4
O5
O6
O7
6.8K
4.7K
R
-
-
-
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7