Description
1.Gerneral
SPP-CA Bluetooth module is for intelligent wireless data transfer and build follow V2.1 + EDR Bluetooth specification. The module supports UART interface and supports Bluetooth SPP serial protocol low cost small size low power consumption the transceiver sensitivity advantages just with a few external components will be able to achieve its powerful features.
2.Features
Application Diagram
Pin Description
pin | name | type | function |
1 | UART-TX | CMOS output | Data output |
2 | UART-RX | CMOS input | Data input |
3 | NC | Two-way | NC(emporty) |
4 | NC | Two-way | NC(emporty) |
5 | P00 | Two-way | programming input/output |
6 | P01 | Two-way | programming input/output |
7 | P40 | Two-way | programming input/output |
8 | P35 | Two-way | programming input/output |
9 | P45 | Two-way | programming input/output |
10 | NC | Two-way | NC(emporty) |
11 | RESETB | CMOS input | restart (low level ) |
12 | 3.3V | Power input | +3.3V |
13 | GND | GND | GND |
14 | P27 | Two-way | programming input/output |
15 | P10 | Two-way | programming input/output |
16 | P14 | Two-way | programming input/output |
17 | P36 | Two-way | programming input/output |
18 | NC | Two-way | NC(emporty) |
19 | NC | Two-way | NC(emporty) |
20 | NC | Two-way | NC(emporty) |
21 | GND | GND | GND |
22 | GND | GND | GND |
23 | NC | Two-way | NC(emporty) |
24 | P12 | output | LED |
25 | P05 | output | Host Interrupt instructions |
26 | P06 | Two-way | programming input/output |
27 | P07 | Two-way | programming input/output |
28 | P23 | Two-way | programming input/output |
29 | P24 | Two-way | programming input/output |
30 | P26 | Two-way | programming input/output |
31 | NC | Two-way | NC(emporty) |
32 | NC | Two-way | NC(emporty) |
33 | P04 | Two-way | programming input/output |
34 | P11 | Two-way | programming input/output |
P12
PO5
Host interrupt is used to indicate whether or not connect connection state is high otherwise low-level state