product description rf-star small cheap bluetooth transparent transmission module ble 4.2 wireless serial module rsbrs02abr is a compact size, cost effective single-mode bluetooth low energy module.
rf-star small cheap bluetooth transparent transmission module ble 4.2 wireless serial module
rsbrs02abr is a compact size, cost effective single-mode bluetooth low energy module based on rf-star 256 kb flash soc rs02a1-b chip with super low power consumption (ble tx: 13.0 ma @ 0 dbm, ble rx: 12.0 ma), good noise reduction, better sensitivity, robust transmission distance, and high reliability. the module integrates a 16 mhz crystal, an rf matching filter, a power filter, and a meander line inverted-f pcb antenna. it supports ble stack v5.0 and is preprogrammed with an easy-to-integrate serial interface communication protocol.
parameters of rsbrs02abr
chipset | rs02a1-b |
supply power voltage | 2.3 v ~ 3.6 v, recommended to 3.3 v |
modulation | gfsk |
frequency | 2402 mhz ~ 2480.0 mhz |
chanel number | 40 (channel spacing of 2 mhz) |
transmit power | -20.0 dbm ~ 5.0 dbm |
receiving sensitivity | -94 dbm |
gpio | 11 |
crystal | 16 mhz |
rom | 80 kb |
sram | 36 kb, 4 kb cache |
flash | 256 kb |
package | smt packaging |
frequency error | ±20 khz |
dimension | 15.1 mm x 11.2 mm x (1.5 ± 0.1) mm |
type of antenna | pcb antenna |
operating temperature | -40 ℃ ~ 85 ℃ |
storage temperature | -40 ℃ ~ 125 ℃ |
hibernation current | 5 µa (test software rs02a1-b-test.hex) |
current of broadcast event | 90 µa (broadcast interval: 200 ms @ 0 dbm) |
current of connection event | 0.35 ma (connection interval: 20 ms @ 0 dbm) |
pin functions of rsbrs02abr
pin | name | chip pin | pin type | remarks |
1 | gnd | gnd | ground | ground |
2 | vcc | vcc | vcc | power supply: 2.3 v ~ 3.6 v, recommended to 3.3 v |
3 | p02 | p02 | i/o |
|
4 | p03 | p03 | i/o |
|
5 | reset | reset | reset | active low |
6 | p04 | p04 | i/o |
|
7 | swc | swc | swclk | connect j-link simulator swclk |
8 | swd | swd | swdio | connect j-link simulator swdio |
9 | nc | nc | nc |
|
10 | p05 | p05 | i/o |
|
11 | p08 | p08 | i/o |
|
12 | p10 | p10 | i/o |
|
13 | nc | nc | nc |
|
14 | p21 | p21 | i/o |
|
15 | p22 | p22 | i/o |
|
16 | p24 | p24 | i/o |
|
17 | p23 | p23 | i/o |
|
18 | p11 | p11 | i/o |
|
recommended footprint
pin attributes
pin functions of rsbrs02abr
pin | name | chip pin | pin type | remarks |
1 | gnd | gnd | ground | ground |
2 | vcc | vcc | vcc | power supply: 2.3 v ~ 3.6 v, recommended to 3.3 v |
3 | p02 | p02 | i/o | |
4 | p03 | p03 | i/o | |
5 | reset | reset | reset | active low |
6 | p04 | p04 | i/o | |
7 | swc | swc | swclk | connect j-link simulator swclk |
8 | swd | swd | swdio | connect j-link simulator swdio |
9 | nc | nc | nc | |
10 | p05 | p05 | i/o | |
11 | p08 | p08 | i/o | |
12 | p10 | p10 | i/o | |
13 | nc | nc | nc | |
14 | p21 | p21 | i/o | |
15 | p22 | p22 | i/o | |
16 | p24 | p24 | i/o | |
17 | p23 | p23 | i/o | |
18 | p11 | p11 | i/o |
