RX24T CPU Card
User’s Manual
R20UT3696EJ0120 Rev.1.20
Page 17 of 25
Feb. 21, 2019
6.7
Extension of Unused Pins
To facilitate general use of the product, the unused pins of the RX24T are extended through universal connector through
holes in the board. Table 6.10 lists the pin assignments of the universal connector through holes.
Table 6.10 Pin Assignments of Universal Connector Through Holes
Pin No.
RX24T Connection Pins
Pin No.
RX24T Connection Pins
1
AVCC
2
AVCC
3
P60
4
P55
5
P50
6
P47
7
P43
8
P42
9
P41
10
P40
11
VSS
12
VSS
13
PE5
14
P02
15
P00
16
P01
17
PE4
18
PE3
19
PE1
20
PE0
21
PD6
22
PD4
23
PD2
24
PD1
25
PD0
26
PB7
27
PB4
28
PB3
29
PB0
30
PA4
31
PA3
32
PA0
33
P95
34
P94
35
P93
36
P92
37
P91
38
P90
39
P31
40
P30
41
P24
42
P23
43
P22
44
P21
45
P20
46
P82
47
P81
48
P80
49
VSS
50
VSS
51
NC
52
NC
53
NC
54
NC
55
NC
56
NC
57
UVCC
58
UVCC
59
VSS
60
VSS
6.8
Reset Circuit
The product is equipped with a reset circuit for resetting the microcontroller at power-on reset and external reset. To
apply an external reset to the microcontroller, press the pushbutton (SW1).
6.9
Crystal Resonator
The microcontroller mounted on the product is connected to a 10 MHz crystal resonator.