W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 69

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W78E052DDG

Manufacturer Part Number
W78E052DDG
Description
IC MCU 8-BIT 8K FLASH 40-DIP
Manufacturer
Nuvoton Technology Corporation of America
Series
W78r
Datasheet

Specifications of W78E052DDG

Core Processor
8052
Core Size
8-Bit
Speed
40MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, WDT
Number Of I /o
36
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-

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Part Number:
W78E052DDG
0
20 TYPICAL APPLICATION CIRCUITS
External Program Memory and Crystal
Figure A
Expanded External Data Memory and Oscillator
Figure B
VCC
C1
C2
10uF
8.2K
VCC
Oscillator
CRY STAL
10uF
8.2K
RST
VCC
R
RST
31
19
18
12
13
14
15
9
1
2
3
4
5
6
7
8
W78E054DDG-40DIP
W78E052DDG-40DIP
W78E051DDG-40DIP
EA
XTAL1
XTAL2
RST
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
31
19
18
12
13
14
15
9
1
2
3
4
5
6
7
8
W78E054DDG-40DIP
W78E052DDG-40DIP
W78E051DDG-40DIP
EA
XTAL1
XTAL2
RST
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P1.0/T2
P1.1/T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
VCC
RXD/P3.0
WR/P3.6
TXD/P3.1
RD/P3.7
PSEN
VCC
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/P3.0
ALE
TXD/P3.1
WR/P3.6
RD/P3.7
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
P2.7
ALE
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
16
17
29
30
11
10
39
38
37
36
35
34
33
32
21
22
23
24
25
26
27
28
16
17
29
30
11
10
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A8
A9
A10
A11
A12
A13
A14
A15
W78E054D/W78E052D/W78E051D Data Sheet
/WR
/RD
ALE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
A8
A9
A10
A11
A12
A13
A14
A15
PSEN
ALE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
- 69 -
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
13
14
17
18
11
3
4
7
8
1
13
14
17
18
11
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
74373
3
4
7
8
1
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
74373
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
2
5
6
9
12
15
16
19
2
5
6
9
12
15
16
19
A0
A1
A2
A3
A4
A5
A6
A7
Publication Release Date: Dec 29, 2009
A0
A1
A2
A3
A4
A5
A6
A7
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
12
11
10
27
26
23
25
28
31
9
8
7
6
5
4
3
10
25
24
21
23
26
27
20
22
64KB RAM
9
8
7
6
5
4
3
2
1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
CE
OE
64KB ROM
CS1
CS2
WE
OE
D0
D1
D2
D3
D4
D5
D6
D7
Revision A09
O0
O1
O2
O3
O4
O5
O6
O7
13
14
15
17
18
19
20
21
22
30
24
29
11
12
13
15
16
17
18
19
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
VCC

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