W78L032A24PL Nuvoton Technology Corporation of America, W78L032A24PL Datasheet - Page 14

• Manufacturer Part Number: W78L032A24PL
• Description: IC MCU 8-BIT 4K FLASH 44-PLCC
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78L032A24PL

• Core Processor: 80C32
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: EBI/EMI, Serial Port
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Peripherals: -

11. TYPICAL APPLICATION CIRCUITS
Using External Program Memory and Crystal
Note : C1, C2, R components refer to Figure A.
8.2 K
V
DD
10 u
C1
CRYSTAL
CRYSTAL
16 MHz
24 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
W78L32
XTAL2
INT1
T0
XTAL1
RST
INT0
T1
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
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 30
TXD
WR
RD
W78L32/W78L032A/W78M032A
36
35
34
39
38
37
33
32
21
25
22
23
24
26
27
28
17
16
11
10
29
Figure A
C1
30P
15P
AD1
AD3
AD2
AD4
AD5
AD6
AD7
AD0
- 14 -
A10
A11
A12
A9
A13
A14
A15
A8
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD0
GND
13
14
17
18
11
4
7
8
3
1
74LS373
D0
D1
D2
D3
D4
D5
D6
D7
OC
G
Q0 2
Q1 5
Q2 6
Q3 9
Q4 12
Q5 15
Q6 16
Q7 19
C2
30P
15P
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
20
22
10
25
24
21
23
26
27
2
9
8
7
6
5
4
1
3
27512
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
OE
CE
O0
O1 12
O2 13
O3 15
O4 16
O5 17
O6 18
O7 19
R
-
-
11
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7