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RN41-I/RM477 데이터시트(PDF) 7 Page - Microchip Technology

부품명 RN41-I/RM477
상세설명  Class 1 Bluetooth Module with EDR Support
PDF  28 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

RN41-I/RM477 데이터시트(HTML) 7 Page - Microchip Technology

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 2014 Microchip Technology Inc.
DS50002280A-page 7
RN41/RN41N
TABLE 1-6:
PIN DESCRIPTION
Note 1: Pin numbers 7 through 10 are reserved for future use.
Pin
Symbol
Type
Description
1
GND
Power
Ground reference
2
SPI_MOSI
DI
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
3
GPIO6
DIO
Set Bluetooth master (high = auto-master mode)
4
GPIO7
DIO
Set baud rate (high = force 9,600, low = 115K or firmware setting)
5
RESET
DI
Active-low Reset
6
SPI_CLK
DI
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
7
PCM_CLK
DIO
(Do not connect) PCM interface(1)
8
PCM_SYNC
DIO
(Do not connect) PCM interface(1)
9
PCM_IN
DI
(Do not connect) PCM interface(1)
10
PCM_OUT
DO
(Do not connect) PCM interface(1)
11
VDD
Power
Positive Supply
12
GND
Power
Ground reference
13
UART_RX
DI
UART receive input
14
UART_TX
DO
UART transmit output
15
UART_RTS
DO
UART RTS, goes high to disable host transmitter
16
UART_CTS
DI
UART CTS, if set high, it disables transmitter
17
USB_D+
DIO
USB port. 1.5K pullup activated when USB port is ready (~500 ms after reset).
18
USB_D-
DIO
USB port
19
GPIO2
DIO
Status, high when connected, low otherwise. See Section 2.3 “Connection
Status”.
20
GPIO3
DIO
Auto discovery = high
21
GPIO5
DIO
Status, toggles based on state, low on connect. See Section 2.3 “Connection
Status”.
22
GPIO4
DIO
Set factory defaults. See Section 2.2 “Factory Reset Using GPIO4”.
23
SPI_CSB
DI
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
24
SPI_MISO
DO
(Optional) Factory diagnostic and test. See Section 2.8 “SPI Interface”.
25
GND
Power
Ground reference (RN41N only)
26
RF ANT
AIO
Antenna, 50-Ohm impedance (RN41N only)
27
GND
Power
Ground reference (RN41N only)
28
GND
Power
Ground reference
29
GND
Power
Ground reference
30
AIO0
AIO
(Not used) Optional analog input.
31
GPIO8
DIO
UART TX/RX data activity
32
GPIO9
DIO
I/O
33
GPIO10
DIO
I/O (remote DTR signal)
34
GPIO11
DIO
I/O (remote RTS signal)
35
AIO1
AIO
(Not used) Optional analog input



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