Module Expansion

Figure 1: Expansion Modules connect with CPU Module

The CPU module have Male 40 pin board to board connection port as shown in Figure 2. Any module that have Female port can be connected with CPU module.

Figure 2: Expansion Port male and female ports

Expansion Port Pin Configuration

Figure 3: (a)Male Port, (b)Female Port

Pin	GPIO
1	GPIO2
2	GPIO3
3	GPIO4
4	GPIO17
5	GPIO27
6	GPIO22
7	GPIO10
8	GPIO9
9	GPIO11
10	GPIO5
11	GPIO6
12	GPIO13
13	GPIO19
14	GPIO26
15	GPIO21
16	GPIO20
17	GPIO16
18	GPIO12
19	GPIO7
20	GPIO8
21	HD1_N
22	HD1_P
23	HD2_N
24	HD2_P
25	SCL
26	SDA
27	SCL1
28	SDA1
29	GPIO14
30	GPIO15
31	GPIO18
32	GPIO23
33	GPIO24
34	GPIO25
35	+5V
36	+5V
37	+3.3V
38	+3.3V
39	GND
40	GND

Table1: Expansion Port Pin Configuration

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