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PDF RN52 Data sheet ( Hoja de datos )
| Número de pieza | RN52 | |
| Descripción | Bluetooth Audio Module | |
| Fabricantes | Microchip | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RN52 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
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RN52 Bluetooth® Audio Module
RN52
Features:
• Fully qualified Bluetooth® version 3.0 module,
• Fully compatible with Bluetooth version 2.1+EDR,
1.2, and 1.1
• Embedded Bluetooth profiles: A2DP, AVRCP,
HFP/HSP and SPP
• Audio decoders: SBC, AAC, aptX
• Enhanced hands free voice capability narrowband
and wideband codecs with cVc DSP
• Software configurable through commands over
UART console interface
• Stereo analog differential audio output and input
for highest quality audio
• External Audio CODECs Supported via S/PDIF
and I2S Interface
• Integrated Amplifier for Driving 16Ω Speakers
• Dedicated GPIO pins enable MCUs to access
control and status functions efficiently
• SPP data connection interface over UART
• Supports wireless iAP profile advertising which is
discoverable by iOS devices (iAP protocol imple-
mentation on an external host microcontroller
required)
• Certifications: FCC, IC, CE, Bluetooth SIG
• Postage Stamp sized form factor: 13.5 x 26.0 x
2.7 mm
• Castellated SMT pads for easy and reliable PCB
mounting
• Environmentally Friendly, RoHS Compliant
• Bluetooth SIG QDID 58578
Applications:
• High-quality wireless stereo headsets
• Automotive hands free audio kits
• Wireless audio docking station for smartphones
• High-quality wireless speakers
• VoIP handsets
• Remote control for media player
• Medical data devices
RN52 Block Diagram:
2 LEDs
RN52
PCB Antenna
MIC
Bluetooth 3.0
RF Baseband
MIC Audio DSP
16-Bit Stereo
CODEC
I2S
S/PDIF
16-Bit RISC MCU
16-MBit Flash
Speaker
Speaker
UART
USB
11 GPIO
Pins
1 AIO
2015 Microchip Technology Inc.
DS70005120A-page 1
1 page  
RN52
TABLE 1-4: PIN DESCRIPTION(1) (SHEET 2 OF 3)
Pin Symbol
5 GPIO4
6 GPIO5
7 GPIO12
8 GPIO13
9 GPIO11
10 GPIO10
11 GPIO9
12 USBD-
13 USBD+
14 UART_RTS
15 UART_CTS
16 UART_TX
17 UART_RX
18 GND
19 GPIO7
20 GPIO6
21 PWREN
22 VDD
23 PCM_IN
I/O Type
Description
Digital
Factory Reset mode. To reset the module to the
factory defaults, GPIO4 should be high on
power-up and then toggle low, high, low, high
with a 1 second wait between the transitions.
During runtime, the module will enter voice com-
mand mode if this pin is driven low.
Reserved. Not available for reconfiguring as a
general purpose IO pin.
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Digital
When you drive this signal low, the module’s
UART goes into Command mode. If this signal is
asserted high, the UART is in Data mode.
Reserved
Bidirectional
USB data minus
Bidirectional
USB data plus with selectable internal 1.5 Kohm
pull-up resistor
CMOS output, tri-state, with UART request to send active low
weak internal pull-up
CMOS input with weak
internal pull-down
UART clear to send active low
CMOS output, tri-state, with UART data output
weak internal pull-up
CMOS input with weak
internal pull-down
UART data input
Ground
Ground
Bidirectional with program- Driving this pin low sets the UART baud rate to
mable strength internal
9,600. By default, the pin is high with a baud rate
pull-up/down
of 115,200
Bidirectional with program- Programmable I/O
mable strength internal
pull-up/down
Analog
Pull high to power up RN52
3.3-V power input
3.3V power input
CMOS input, with weak
internal pull down
Synchronous data input, configurable for
SPDIF_IN or SD_IN (I2S)
Directio
n
Input
I/O
I/O
I/O
I/O
I/O
Input
I/O
I/O
Output
Input
Output
Input
I/O
I/O
Input
Input
Defau
lt
Low
High
High
High
High
High
High
High
High
Low
2015 Microchip Technology Inc.
DS70005120A-page 5
5 Page 
RN52
1.2 General Purpose IO (GPIO) Ports
User programmable bidirectional GPIO ports are pro-
vided. The GPIO ports can be used as typical digital IO
ports. The directionality of the GPIOs can be config-
ured through console commands. The GPIOs can also
be read or asserted using the console commands. The
digital input and output voltage levels are provided in
Table 1-7.
TABLE 1-7: DIGITAL INPUT AND OUTPUT VOLTAGE LEVELS
Voltage Information
Min Typ
Input Voltage Levels
VIL input logic level low
VIH input logic level high
Output Voltage Levels
VOL output logic level low, Iol = 4.0 mA
VOH output logic level high, IOH = -4.0 mA
-0.3
0.625 x VDD
0
0.75 x VDD
—
—
—
—
Max
0.25 x VDD
VDD + 0.3
0.125
VDD
Unit
V
V
V
V
2015 Microchip Technology Inc.
DS70005120A-page 11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet RN52.PDF ] | |
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