Best WT32I SERIES Specifiche

WT32i BLUETOOTH AUDIO MODULE PRELIMINARY DATA SHEET Wednesday, 13 November 2013 Version 0.2

Bluegiga Technologies Oy Page 10 of 64 Pin Number Pin Name Pin Type Description 19 RESET RESET Active high reset. If not used, leave floating. When

Bluegiga Technologies Oy Page 11 of 64 34 SPI_MISO CMOS Input, weak internal pull-down SPI data input 35 SPI_MOSI CMOS output, tristate, weak intern

Bluegiga Technologies Oy Page 12 of 64 4 Electrical Characteristics 4.1 Absolute Maximum Ratings Min Max Unit Storage temperature range -40 +85

Bluegiga Technologies Oy Page 13 of 64 4.4 Audio Characteristics 4.4.1 ADC Parameter Conditions Min Typ Max Unit Resolution - - - 16 Bits Input Sa

Bluegiga Technologies Oy Page 14 of 64 THD+N 16Ω Load - - 0.1 % THD+N 100Ω Load - - 0.01 % Table 8: DAC Characteristics 4.4.3 A2DP Codecs 4.4.3.1

Bluegiga Technologies Oy Page 15 of 64 4.4.3.3 AAC AAC (Advanced Audio Coding) achieves better sound quality than MP3 and it is the default audio f

Bluegiga Technologies Oy Page 16 of 64 4.5 RF Characteristics 4.5.1 RF Transceiver Transceiver characteristic Min Typ Max Unit Maximum transmit po

Bluegiga Technologies Oy Page 17 of 64 Standard Band / Frequency Min (AVG / PEAK) Typ (AVG / PEAK) Max (AVG / PEAK) Limit by the Standard (AVG / PE

Bluegiga Technologies Oy Page 18 of 64 0 dB-5 dB-10 dB-15 dB-20 dB Figure 4: Top view radiation pattern of DKWT32i -2 dB-4 dB-6 dB-8 dB-10 dB-12 dB-

Bluegiga Technologies Oy Page 19 of 64 -1 dB-2 dB-3 dB-4 dB-5 dB-6 dB-7 dB-8 dB-9 dB-10 dB-11 dB-12 dB Figure 6: Front view radiation pattern

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Bluegiga Technologies Oy Page 20 of 64 4.6 Current Consumption Operation Mode Peak Average Unit Idle SET BT PAGEMODE 0 2000 0 12 2.0 mA SET BT PAGE

Bluegiga Technologies Oy Page 21 of 64 5 Power Control and Regulation WT32i contains an internal battery charger and a switch mode regulator that i

Bluegiga Technologies Oy Page 22 of 64 R1R2LDO (1.8V...3.6V)ENINVDD_BATVREG_ENAVDD_IOGPIO (holds the external LDO on)ON/OFF ButtonBattery Voltage(2.

Bluegiga Technologies Oy Page 23 of 64 LDO (1.8V...3.6V)ENINVDD_BATVREG_ENAVDD_IOOn/Off cntrlBattery Voltage(2.7V...4.4V)LDO (1.8V...3.6V)ENINVDD_BA

Bluegiga Technologies Oy Page 24 of 64 Pin Name / Group I/O Type No Core Voltage Reset Full Chip Reset USB Digital bi-directional N/A N/A UART_RX

Bluegiga Technologies Oy Page 25 of 64 R1Reset BC05Reset22nF220kWT32iBC05 Figure 10: Embedded POR of WT32i WT32iResetHost CPUGPIO Figure 11: An e

Bluegiga Technologies Oy VERSION HISTORY VERSION COMMENT 0.1 Draft 0.2 Updated product codes and contact info

Bluegiga Technologies Oy TABLE OF CONTENTS 1 WT32i Product Numbering ...

Bluegiga Technologies Oy 9.1.4 Line Input ...

Bluegiga Technologies Oy WT32i Bluetooth® Audio Module DESCRIPTION WT32i is the latest generation of Bluetooth modules. It provides highe

Bluegiga Technologies Oy 1 WT32i Product Numbering WT32i-A-AI Product series Fimrware AI5 = iWRAP 5.0.2 C = custom HW version A =

Bluegiga Technologies Oy 2 Block diagram RAMBaseband DSPMCUKalimba DSP2.4 GHz RadioI/OBC05-MMXTAL Balanced filtter Antenna FlashUART/USB PIOAudio I

Bluegiga Technologies Oy Page 9 of 64 3 Pinout and Terminal Description AUDIO_OUT_N_LEFTAUDIO_OUT_P_LEFTAUDIO_OUT_P_RIGHTAUDIO_OUT_N_RIGHTGNDAUDIO