W78LE365_07 Datasheet, PDF (33/42 Pages) Winbond – 8-BIT MICROCONTROLLER

W78LE365/W78L365A
9. TYPICAL APPLICATION CIRCUIT
9.1 External Program Memory and Crystal
V_DD
10 u
8.2 K
CRYSTAL
C1
C2
31
EA
19 _XTAL1
R _{18 XTAL2}
9 _RST
12 ^INT0
13 _INT1
14 _T0
15 _T1
1 P1.0
2 P1.1
3 ^P1.2
4 ^P1.3
5 P1.4
6 ^P1.5
7 P1.6
8 P1.7
P0.0 ^{39 AD0}
P0.1 ^{38 AD1}
P0.2 ^{37 AD2}
P0.3 ^{36 AD3}
P0.4 ^{35 AD4}
P0.5 ^{34 AD5}
P0.6 ^{33 AD6}
P0.7 ^{32 AD7}
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
21
22
23
24
25
26
A8
A9
A10
A11
A12
A13
P2.6
P2.7
27
28
A14
A15
AD0 3 _{D0 Q0} 2 A0
AD1 4 D1 Q1 5 A1
AD2 7 D2 Q2 6 A2
AD3 8 D3 Q3 9 A3
AD413 D4 Q4 12 A4
AD514 D5 Q5 15 A5
AD617 D6 Q6 16 A6
AD718 D7 Q7 19 A7
GND1 _OC
11 _G
74LS373
A0 10
A1 9
A2 8
A3 7
A4 6
A5 5
A6 4
A7 3
A8 25
A9 24
A10 21
A1123
A12 2
A13 26
A1427
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15 1 _A15
GND20 _CE
O0
O1
O2
11
12
13
AD0
AD1
AD2
O3 ^{15 AD3}
O4 ^{16 AD4}
O5
O6
17
18
AD5
AD6
O7 ^{19 AD7}
RD ₁₇
WR ¹⁶
22
OE
PSEN
ALE
TXD
29
30
11
27512
RXD ¹⁰
W78LE365/W78L365A
Figure A
CRYSTAL
C1
C2
R
6 MHz
47P
47P
-
16 MHz
30P
30P
-
20 MHz
15P
10P
-
Above table shows the reference values for crystal applications.
Notes:
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.
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Publication Release Date: January 10, 2007
Revision A7