W78E054D Datasheet, PDF (7/89 Pages) List of Unclassifed Manufacturers – 8-bit microcontroller

W78E054D/W78E052D Data Sheet
4 PIN CONFIGURATIONS
T2, P1.0 ¹
T2EX, P1.1 ²
P1.2 ³
P1.3 ⁴
P1.4 ⁵
P1.5 ⁶
P1.6 ⁷
P1.7 ⁸
RST ⁹
RXD, P3.0 ¹⁰
TXD, P3.1 ¹¹
INT0, P3.2 ¹²
INT1, P3.3 ¹³
T0, P3.4 ¹⁴
T1, P3.5 ¹⁵
WR, P3.6 ¹⁶
RD, P3.7 ¹⁷
XTAL2
18
XTAL1
19
VSS
20
40 _VDD
39 _{P0.0, AD0}
38 _{P0.1, AD1}
37 _{P0.2, AD2}
36 _{P0.3, AD3}
35 _{P0.4, AD4}
34 _{P0.5, AD5}
33 _{P0.6, AD6}
32 _{P0.7, AD7}
31
EA
30 _ALE
29 _PSEN
28 _{P2.7, A15}
27 _{P2.6, A14}
26 _{P2.5, A13}
25 _{P2.4, A12}
24 _{P2.3, A11}
23 _{P2.2, A10}
22 _{P2.1, A9}
21 _{P2.0, A8}
P1.5 ⁷
P1.6 ⁸
P1.7 ⁹
RST ¹⁰
RXD, P3.0 ¹¹
INT2, P4.3 ¹²
TXD, P3.1 ¹³
INT0, P3.2 ¹⁴
INT1, P3.3 ¹⁵
T0, P3.4 ¹⁶
T1, P3.5 ¹⁷
PLCC 44-pin
39 _{P0.4, AD4}
38 _{P0.5, AD5}
37 _{P0.6, AD6}
36 _{P0.7, AD7}
35
EA
34
P4.1
33
ALE
32
PSEN
31 _{P2.7, A15}
30 _{P2.6, A14}
29 _{P2.5, A13}
Publication Release Date: Jun 9, 2015
-7-
Revision A13