LG PWFSA3 User manual

PWFSA3 User Manual
Model Name : PWSAF3 (Voice Recognition)

Table of Contents
1. Introduction ……………….………………………………………………………………………………………….... .2
1 .1 I nt r od u ct io n ……………………………………………………………………………………………………………2
1 . 2 F e a t u r e s … … … … … … ..………………………………………………………………………………….2
2 . B l o c k D i a g r a m ……………………….… … … … ………………………………………………………………2
3. Operating Test Conditions…………………………………………………………………………………………...3
4. Electrical Characteristics…………………………...………………………………………………………………………….4
4.1 DC/RF Characteristics for IEEE802.11b……..……………………………………………………………………………………….4
4.2 DC/RF Characteristics for IEEE802.11g………………………………………………………………………………………………..5
4.3 DC/RF Characteristics for IEEE802.11n…………………………………………………………………………………………...…6
4.4 DC/RF Characteristics for Bluetooth (LE)…………………………………………………………………………….……..7
5 . P I N M A P …………………………...…………………………………………………………………………. 8
5 . 1 P C B V i e w …………..……………………………………………………………………………………….8
5 . 2 CN1 0 1 ………………………………………………………………………………………………… … … ..8
5 . 3 CN1 0 2 ………………………………………………………………………………………………… … … ..9
5 . 4 CN1 0 3 ………………………………………………………………………………………………...…9
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1. Introduction
1.1 Introduction
PWFSA3 is a Wi-Fi / BLE Combo module compliant with IEEE802.11b/g/n.
The RF Module is from Murata, part number Type 1DX. (Core chipset : Cypress CYW4343W)
1.2 Features
ARM Cortex-A7 32bit RISC Processor
IEEE 802.11b/g/n 1X1 2.4GHz (up to 65Mbps)
Bluetooth 5.1 LE
Security : WEP, WPA, WPA2, WMM, WMM-PS, WMM-SA, WAPI, AES, TKIP, CKIP
UART / SPI Interface
Application : Home Appliance
Supply Voltage : DC 5 V or DC 12 V
MIC Spec. : 2Ch. Analog MEMS MIC
SPK. Spec. : 2.0W / 4Ω
PCB Size : 60mm x 40mm
2. Block Diagram
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3. Operating Test Conditions
Rating Min. Typ. Max. Unit
Supply Voltage 4.5 5.0 5.5 V
10.8 12.0 13.2
Operating Temperature 0 +25 +70 ℃
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4. Electrical Characteristics
4.1 DC/RF Characteristics for IEEE802.11b (11Mbps mode)
Specification
IEEE802.11b
Mode
DSSS / CCK
Frequency
2400 ~ 2483.5MHz
Data rate
1,2,5.5,11Mbps
Tx Characteristics
Min. Typ. Max. Unit
DC current
1) Tx
mode 320 370 mA
2) Rx
mode 47 60 mA
Output Power
1617 18dBm
Spectrum Mask
1) 1st side lobes
- -43 -30 dBr
2) 2nd side
lobes - -54 -50 dBr
Power
on and down ramp - 2.0 usec
RF Carrier Suppression
15 -dB
Modulation Accuracy (EVM)
-15 35 %
Rx Characteristics
Min. Typ. Max. Unit
Minimum Input Level (FER≤8%)
- -89 -76 dBm
Maximum Input Level (FER≤8%)
-10 - - dBm
Adjacent Channel Rejection (FER≤8%)
35 - - dB
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4.2 DC/RF Characteristics for IEEE802.11g (54Mbps mode)
Specification
IEEE802.11g
Mode
OFDM
Frequency
2400 ~ 2483.5MHz
Data rate
6,9,12,18,24,36,48,54Mbps
Tx Characteristics
Min. Typ. Max. Unit
DC current
1) Tx
mode 270 310 mA
2) Rx
mode 47 60 mA
Output Power
1213 14dBm
Spectrum Mask
1) 9MHz to 11MHz (0dB ~
-20dB) -33 -20 dBr
2) 11MHz to 20MHz (
-20dB ~ -28dB) -41 -28 dBr
3) 20MHz to 30MHz (
-28dB ~ -40dB) -53 -40 dBr
4) 30MHz to 33MHz (
-40dB) -53 -40 dBr
Constellation Error (EVM)
- -30 -25 dB
Rx Characteristics
Min. Typ. Max. Unit
Minimum Input Level
(PER≤10%) - -75 -65 dBm
Maximum Input Level
(PER≤10%) -20 - - dBm
Adjacent Channel Rejection
(PER≤10%) -1 - - dB
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4.3 DC/RF Characteristics for IEEE802.11n (65Mbps mode)
Specification
IEEE802.11n
Mode
OFDM
Frequency
2400 ~ 2483.5MHz
Data rate
6.5,13,19.5,26,39,52,58.5,65Mbps
Tx Characteristics
Min. Typ. Max. Unit
DC current
1) Tx
mode 260 300 mA
2) Rx
mode 47 60 mA
Output Power
121314dBm
Spectrum Mask
1) 9MHz to 11MHz (0dB ~
-20dB) -33 -20 dBr
2) 11MHz to 20MHz (
-20dB ~ -28dB) -41 -28 dBr
3) 20MHz to 30MHz (
-28dB ~ -40dB) -53 -45 dBr
4) 30MHz to 33MHz (
-40dB) -53 -45 dBr
Constellation Error (EVM)
- -31 -27 dB
Rx Characteristics
Min. Typ. Max. Unit
Minimum Input Level
(PER≤10%) - -73 -64 dBm
Maximum Input Level
(PER≤10%) -20 - - dBm
Adjacent Channel Rejection
(PER≤10%) -2 - - dB
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4.4 DC/RF Characteristics for Bluetooth (LE)
Bluetooth specification (Power class)
Version 5.1 (LE)
Channel frequency (Spacing)
2402 ~ 2480MHz (2MHz)
Number of RF Channel
40
Item / Condition
Min. Typ. Max. Unit
Center Frequency
2402 -2480 MHz
Channel Spacing
- 2 - MHz
Number of RF Channel
-40 - -
Output power
789dBm
Modulation Charateristics
1) Δ
f1avg 225 -275 kHz
2) Δ
f2max (at 99.9%) 185 - - kHz
3) Δ
f2avg / Δf1avg 0.8 - - -
Carrier frequncy offset and drift
1) Frequency offset
- - 150 kHz
2) Frequency frift
- - 50 kHz
3) Drift rate
- - 20 kHz
Receiver sensitivity (PER
＜30.8%) - -95 -70 dBm
Maximum input signal level (PER
＜30.8%) -10 - - dBm
PER Report Integrity
50 - 65.4 %
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5. PIN MAP
5.1 PCB View
5.2 CN101
Pin No. Name I/O Description
1 VDD I
VDD 5.0V, 12V
2 GND -
Ground
< Top View >
CN101
2
< Bottom View >
110 1 8 1
CN102 CN103
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5.3 CN102
5.4 CN103
Pin No. Name I/O Description
1 GND -
Ground
2 EXT_SPI_WAKE UP O
SPI Slave wake up
3 EXT_SPI_STATUS I
Request data transaction in Slave device
4 EXT_SPI_CS O
SPI Slave Chip Select
5 EXT_SPI_CLK O
SPI Clock
6 EXT_SPI_MOSI O
SPI Master Output Slave Input
7 EXT_SPI_MISO I
SPI Master Input Slave Output
8 GND -
Ground
9 UART_TX O
UART Communication signal line
10 UART_RX I
UART Communication signal line
Pin No. Name I/O Description
1 MIC2_BIAS O
MIC2 bias output
2 MIC2_N I
MIC2 negative input
3 MIC2_P I
MIC2 positive input
4 MIC1_BIAS O
MIC1 bias output
5 MIC1_N I
MIC1 negative input
6 MIC1_P I
MIC1 positive input
7 SPK_N O
Negative speaker output
8 SPK_P O
Positive speaker output
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