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IS2008 Schematic ( PDF Datasheet ) - ISSC

Teilenummer IS2008
Beschreibung Bluetooth 4.1 Mono Audio SOC
Hersteller ISSC
Logo ISSC Logo 




Gesamt 30 Seiten
IS2008 Datasheet, Funktion
IS2008/10/13/15 SoC
Bluetooth® 4.1 Mono Audio SOC
Features
System Specification
Compliant with Bluetooth Specification v.4.1
(EDR) in 2.4 GHz ISM band
It supports following profiles :
- HFP 1.6
- HSP 1.1
- A2DP 1.2
- AVRCP 1.5
- SPP 1.0
- PBAP 1.0
Baseband Hardware
16MHz main clock input
Built-in internal ROM for program memory
Support to connect to two hosts ( phones,
tablets…) with HFP or A2DP profiles
simultaneously
Adaptive Frequency Hopping (AFH) avoids
occupied RF channels
Fast Connection supported
RF Hardware
Fully Bluetooth 4.1 (EDR) system in 2.4
GHz ISM band.
Combined TX/RX RF terminal simplifies
external matching and reduces external
antenna switches.
Max. +4dBm output power with 20 dB level
control from register control.
Built-in T/R switch for Class 2/3 application
To avoid temperature variation,
temperature sensor with temperature
calibration is utilized into bias current and
gain control.
Fully integrated synthesizer has been
created. There requires no external VCO,
varactor diode, resonator and loop filter.
Crystal oscillation with built-in digital
trimming for temperature/process
variations.
Audio processor
Support 64 kb/s A-Law or -Law PCM
format, or CVSD (Continuous Variable
Slope Delta Modulation) for SCO channel
operation.
Noise suppression
Echo suppression
SBC and optional AAC decoding
Packet loss concealment
Build-in four languages (Chinese/ English/
Spanish/ French) voice prompts and 20 events
for each one.
(This function can be set up in IS20XXS_UI”
tool.)
Support SCMS-T
Audio Codec
20 bit DAC and 16 bit ADC codec
98dB SNR DAC playback
Built-in 1 channel 2.3W class-D amplifier for a
4Ω speaker (for IS2013/15S only)
Peripherals
Built-in Lithium-ion battery charger (up to
350mA)
Integrate 3V, 1.8V configurable switching
regulator and LDO
Built-in ADC for battery monitor and voltage
sense.
A line-in port for external audio input
Two LED drivers
Flexible HCI interface
High speed HCI-UART (Universal
Asynchronous Receiver Transmitter) interface
(up to 921600bps)
Package
6x6mm2 48QFN package
(IS2008S, IS2010S)
7x7mm2 56QFN package (IS2013S, IS2015S)
Description
Mono Audio Chip is a compact, highly integrated,
CMOS single-chip RF and baseband IC for
Bluetooth v4.1 with Enhanced Data Rate 2.4GHz
applications. This chip is fully compliant with
Bluetooth specification and completely
Page 1






IS2008 Datasheet, Funktion
3.0 PIN DESCRIPTION AND POWER SUPPLY
3.1 PIN ASSIGNMENT
TABLE 3-1: IS2008S/IS2010S PIN DESCRIPTION
Mono Audio SoC
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Pin type
P
I
I
I
I
P
P
O
I/O
I
P
I/O
I/O
Name
VCOM
MICN2
MICP2
MICN1
MICP1
MICBIAS
VDD_CORE
P1_2
P1_3
RST_N
VDD_IO
P0_1
P1_5
Description
Internal biasing voltage for CODEC
Mic 2 mono differential analog negative input
Mic 2 mono differential analog positive input
Mic 1 mono differential analog negative input
Mic 1 mono differential analog positive input
Electric microphone biasing voltage
Core 1.2V power input; Connect to CLDO_O pin
IO pin, default pull-high input
EEPROM clock SCL
IO pin, default pull-high input
EEPROM data SDA
System Reset Pin, active when rising edge.
I/O power supply input (2.7~3.3V); Connect to LDO31_VO pin
IO pin, default pull-high input (Note 1)
1. FWD key when class 2 RF (default), active low.
2. Class1 TX Control signal of external RF T/R switch, active high.
IO pin, default pull-high input (Note 1)
1. NFC detection pin, active low.
2. Out_Ind_0
3. Slide Switch Detector, active low.
4. Buzzer Signal Output
Page 6

6 Page









IS2008 pdf, datenblatt
Mono Audio SoC
3.2 POWER SUPPLY
The device is powered via BAT pin input. If a battery is not connected, an external power supply needs to
provide to this input. Figure 3-1 shows the PCB connections from BAT pin to other voltage supply pins of the
chip.
FIGURE 3-1: POWER TREE DIAGRAM
(Use PCB trace link these pins)
PVDD_CDA
(4.2~3.0V)
(4.5~5.5V)
BAT_IN
ADAP_IN
Power
Switch
SYS_PWR
5V
Adapter
(3.0~2.7V)
CODEC_VO
LDO31_VIN 3V LDO
VDDA /
VDDAO
(4.2~3.0V)
LDO31_VO
VDD_IO
(3.3~2.7V)
BK_VDD 1.8V Buck
BK_O
BK_LX
(1.8V)
(1.2V)
CLDO_O
VDD_CORE
PMIC_IN
1.2V LDO
(1.28V)
RFLDO_O
VCC_RF
SAR_VDD
Page 12

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