rf-bm-s01a is a bluetooth low energy (ble) module based on ti cc2541f256, an 8051 core ble system-on-chip (soc). this pcb module integrates a 32 mhz crystal, a 32.768 khz crystal, an lc balun, an rf matching filter, and a meander line pcb antenna. it is pre-programmed with the ble 4.0 stack and an application communication protocol over its full speed usb interface. the module is highly suited for systems where ultralow power consumption is required. this is specified by various operating modes. short transition times between operating modes further enable low power consumption.

  • transmit power: 0 dbm
  • communication distance: 70 m
  • core programme: cc2541
  • bluetooth version: bt 4.0
  • core strengths: all i/o,peripheral direct-drive
rf-star hot product

 

ti cc254x series

product description

 

fcc/bqb/ce/rohs rf-star rf-bm-s01 cc2540 bluetooth pcb antenna uart module

rf-bm-s01 is a bluetooth low energy (ble) module based on ti cc2540f256, an 8051 core ble system-on-chip (soc). this pcb module integrates a 32 mhz crystal, a 32.768 khz crystal, an lc balun, an rf matching filter, and a meander line pcb antenna. it is pre-programmed with the ble 4.0 stack and an application communication protocol over its full speed usb interface. it can be used to design a usb dongle to easily establish ble connection from a device to smart phones. very low-power sleep modes are available. short transition times between operating modes further enable low power consumption. rf-bm-s01 is pin-compatible with the rf-bm-s01a in smt package, if the usb is not used on the rf-bm-s01 and the i2c/extra i/o is not used on the rf-bm-s01a. compared to the rf-bm-s01, the rf-bm-s01a provides lower rf current consumption.oes not have the usb interface of the rf-bm-s01, and provides lower maximum output power in tx mode. the rf-bm-s01a also adds a hw i2c interface.

 

 table 1. the pin functions of rf-bm-s01-1

 

pin

name

chip pin

pin type

description

1

gnd

-

gnd

gnd

2

vcc

-

vcc

power supply: 2 v ~ 3.6 v

3

p22

p2.2

i/o

debug_dc

4

p21

p2.1

i/o

debug_dd

5

p20

p2.0

i/o


6

p17

p1.7

i/o


7

p16

p1.6

i/o


8

usb_p

usb

i/o

usb_p

9

usb_n

usb-

i/o

usb_n

10

gnd

p1.5

gnd

gnd

11

p15

p1.4

i/o


12

p14

p1.3

i/o


13

p13

p1.2

i/o


14

p12

p1.1

i/o


15

p11

p1.0

i/o


16

p10

p0.7

i/o


17

p07

p0.6

i/o


18

p06

p0.5

i/o


19

p05

p0.4

i/o


20

p04

p0.3

i/o


21

p03

p0.2

i/o


22

p02

p0.1

i/o


23

p01

p0.0

i/o


24

p00

rst

i/o


25

reset

-

reset

active low

26

nc

-

nc


27

ant

p2.2

ant

external antenna

28

nc

p2.1

nc


ble application

 

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pin attributes

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 table 1. the pin functions of rf-bm-s01-1

 

pin

name

chip pin

pin type

description

1

gnd

-

gnd

gnd

2

vcc

-

vcc

power supply: 2 v ~ 3.6 v

3

p22

p2.2

i/o

debug_dc

4

p21

p2.1

i/o

debug_dd

5

p20

p2.0

i/o


6

p17

p1.7

i/o


7

p16

p1.6

i/o


8

usb_p

usb

i/o

usb_p

9

usb_n

usb-

i/o

usb_n

10

gnd

p1.5

gnd

gnd

11

p15

p1.4

i/o


12

p14

p1.3

i/o


13

p13

p1.2

i/o


14

p12

p1.1

i/o


15

p11

p1.0

i/o


16

p10

p0.7

i/o


17

p07

p0.6

i/o


18

p06

p0.5

i/o


19

p05

p0.4

i/o


20

p04

p0.3

i/o


21

p03

p0.2

i/o


22

p02

p0.1

i/o


23

p01

p0.0

i/o


24

p00

rst

i/o


25

reset

-

reset

active low

26

nc

-

nc


27

ant

p2.2

ant

external antenna

28

nc

p2.1

nc



label: cc2541 ble bt 4.0
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