LG PWFSA3 Manuale utente

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

1 / 9

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

2/ 9

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 ℃

3 / 9

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

4 / 9

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

5 / 9

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

6 / 9

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

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 %

7 / 9

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

< Bottom View >

110 1 8 1

CN102 CN103

8 / 9

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

9 / 9

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