W78L32_06 Datasheet, PDF (15/18 Pages) Winbond – 8-BIT MICROCONTROLLER

W78L32/W78L032A/W78M032A
Typical Application Circuits, continued
Expanded External Data Memory and Oscillator
VDD
10 u ^OSCILLATOR
8.2 K
31
EA
19 _XTAL1
18 _XTAL2
9 _RST
12 INT0
13
14
15
INT1
T0
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
W78L32
P0.0 39 AD0 AD0 3 _{D0 Q0} 2 A0 A0 10 _{A0 D0} 11 AD0
P0.1 38 AD1 AD1 4 _{D1 Q1} 5 A1 A1 9 _{A1 D1} 12 AD1
P0.2 37 AD2 AD2 7 _{D2 Q2} 6 A2 A2 8 _{A2 D2} 13 AD2
P0.3 36 AD3 AD3 8 _{D3 Q3} 9 A3 A3 7 _{A3 D3} 15 AD3
P0.4 35 AD4 AD4 13 _{D4 Q4} 12 A4 A4 6 _{A4 D4} 16 AD4
P0.5 34 AD5
P0.6 33 AD6
AD5 14
AD6 17
D5
D6
Q5
Q6
15
16
A5
A6
A5 5
A6 4
A5
A6
D5 ^{17 AD5}
D6 ^{18 AD6}
P0.7 32 AD7 AD7 18 _{D7 Q7} 19 A7 A7 3 _{A7 D7} 19 AD7
P2.0 21 ^A8
GND 1 _OC
A8 ²⁵ A8
A9 24 A9
P2.1
P2.2
P2.3
P2.4
22 A9
23 A10
24 A11
25 A12
11 G
74LS373
A10 21
A11 ²³
A12 ²
A13 ²⁶
A10
A11
A12
A13
P2.5 26 A13
P2.6 27 A14
A14 ¹ _A14
P2.7 28
GND 20 CE
RD ₁₇
WR 16
22 _OE
27 _WR
PSEN
ALE
TXD
RXD
29
30
11
10
20256
Figure B
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Publication Release Date: March 7, 2006
Revision A5