HMS38112 Datasheet, PDF (61/73 Pages) List of Unclassifed Manufacturers – 4-BIT SINGLE CHIP MICROCOMPUTERS

Chapter 5. Application
HMS38112 Circuit Diagram
41 33 25 17 9
4
1
K0
5
42 34 26 18 10 2
K1
6
43 35 27 19 11 3
K2
7
44 36 28 20 12 4
K3
3
OSC2
2
OSC1
1
GND
8
45 37 29 21 13 5
R0
+
Vdd 20
9
46 38 30 22 14 6
R1
47
39 31 23 15
7
10
R2
48
40 32 24 16
8
11
R3
REM ¹⁹
OUT
12
D0
13 _D1
14 _D2
15 _D3
16
D4
17
D5
PGND ¹⁸
We recommend
alkaline battery
=
5-2