User Manual

Bluetooth 4.0 BLE Module
Figure 4 : Module PCB
To p vi e w
Figure 5 : Module PCB
Bo t t o m vi e w
Table 1 shows the pin-out diagram of the module.
Table 1: Pin Description (Cont.)
Pin Pin Default Function
Number Name State Description
1,2,8,9,25 GND Connect to ground
3 UP_RX Input UART input serial data for the HCI UART interface
4 UP_TX output UART output serial data for the HCI UART interface
5 SDA I/ O Internal flash memory use
6 SCL I/ O Internal flash memory use
7 P32 I/ O Internal flash memory use
24 VDDIO VDDO Power supply
10 RST I/ O
Active-low system reset with open-drain output
& internal pull-up resistor
11 P0 Input floating GPIO:P0 SPI_2:MOSI (master) A/D input
12 P1 Input floating GPIO:P1 SPI_2:MISO (master) A/D input
13 P3 Input floating GPIO:P3 SPI_2:CLK (master)
14 P2 Input floating GPIO:P2 SPI_2:CS (master)
15 P4 Input floating GPIO:P4
16 P8/P33 Input floating Internal flash memory use
17 P25 Input floating GPIO:P25
18 P24 Input floating GPIO:P24
19 P13/P28 Input floating GPIO:P13,P28 A/D input PWM3
20 P14/P38 Input floating GPIO:P14,P38 A/D input PWM2
21 P15 Input floating GPIO:P15 A/D input(Battery moniter)
22 P11/P27 Input floating GPIO:P11,P27 PWM1
23 P12/P26 Input floating GPIO:P12,P26 PWM0