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IS2021 데이터시트 PDF




ISSC에서 제조한 전자 부품 IS2021은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 IS2021 자료 제공

부품번호 IS2021 기능
기능 Bluetooth 4.1 Stereo Audio SOC
제조업체 ISSC
로고 ISSC 로고


IS2021 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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IS2021 데이터시트, 핀배열, 회로
IS2020/21/23/25 SoC
Bluetooth® 4.1 Stereo 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_UItool.)
Support SCMS-T
Audio Codec
20 bit DAC and 16 bit ADC codec
98dB SNR DAC playback
Built-in 2 channel 2.3W class-D amplifier for a
4Ω speaker (for IS2025S 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
5x6.5mm2 48QFN package (IS2021S)
7x7mm2 56QFN package (IS2020S, IS2023S)
8x8mm2 68QFN package (IS2025S)
Description
Stereo 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 backward-compatible with Bluetooth
3.0, 2.0 or 1.2 systems.
It incorporates Bluetooth 1M/2M/3Mbps RF,
single-cycle 8bit MCU, TX/RX modem, 5-port
memory controller, task/hopping controller,
Page 1




IS2021 pdf, 반도체, 판매, 대치품
Stereo Audio SoC
1.0 DEVICE OVERVIEW
The stereo audio chip series include IS2020S, IS2021S, IS2023S, and IS2025S chip. The chip integrates
Bluetooth 4.1 radio transceiver, PMU, DSP and 2-channel CDA (Class D Amplifier). Figure 1-1 shows the
application block diagram.
FIGURE 1-1: APPLICATION BLOCK DIAGRAM
Antenna
IS20XX
Speaker
EXT DSP
I2S
(Digital signal for IS2023S only)
2W
Stereo Class-D
AMP
Audio Codec
Speaker
Digital Core
MIC1
MIC2
(For IS2020/2025 only)
AUX_IN
(analog signal)
2-Channel DAC
2-Channel ADC
IO Port 0~3
DSP
24-bit DSP Core
158KB ROM
88KB RAM
MCU
8051
44KB RAM
448KB ROM
16KB patch RAM
I2C
(GPIOs or H/W)
BTv4.1+EDR
Transceiver
Classic RF
RF Controller
MAC
MODEM
PMU
BAT Charger
Power Switch
1.8V BUCK
3.0V LDO*2
LED Driver *2
16 M Hz
Crystal
Li-Ion
BAT
LED
EEPROM
FIGURE 1-2: INTERFACE BETWEEN MCU AND IS20XX CHIP
MCU_
WAKEUP
UART_RX
MCU
UART_TX
BT_
WAKEUP
P0_0
HCI_TXD
IS20XXS
HCI_RXD
PWR
Page 4

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IS2021 전자부품, 판매, 대치품
Stereo Audio SoC
Pin No. Pin type
Name
Description
L: Boot Mode with P2_0 low combination
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
Pin type
I/O
I/O
I
O
P
P
P
P
P
-
P
P
P
P
P
I
I
I
I/O
I/O
I
P
P
P
P
P
Name
P0_4
P1_5
HCI_RXD
HCI_TXD
CODEC_VO
LDO31_VIN
LDO31_VO
ADAP_IN
BAT_IN
NC
SAR_VDD
SYS_PWR
BK_VDD
BK_LX
BK_O
PWR
LED2
LED1
P0_0
P0_3
EAN
CLDO_O
PMIC_IN
RFLDO_O
VBG
ULPC_VSUS
Description
IO pin, default pull-high input. (Note 1)
1. NFC detection pin, active low.
2. Out_Ind_0
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
HCI-UART RX data
HCI-UART TX data
3.1V LDO output for CODEC power
3.1V LDO input; Connect to SYS_PWR pin
3.1V LDO output
5V power adaptor input
3.3V~4.2V Li-Ion battery input
No Connection
SAR 1.8V input; Connect to BK_O pin
Power Output which come from BAT_IN or ADAP_IN
1.8V buck VDD Power Input; Connect to SYS_PWR pin
1.8V buck pin for switch
1.8V buck feedback input
Multi-Function Push Button and power on key
LED Driver 2
LED Driver 1
IO pin, default pull-high input (Note 1)
1. Slide Switch Detector, active low.
2. UART TX_IND, active low.
IO pin, default pull-high input (Note 1)
1. REV key (default), active low.
2. Buzzer Signal Output
3. Out_Ind_1
4. Class1 RX Control signal of external RF T/R switch, active high.
Embedded ROM/External Flash enable
H: Embedded; L: External Flash
1.2V core LDO output
PMU blocks power input; Connect to BK_O pin
1.28V RF LDO output
Bandgap output reference for decoupling interference
ULPC 1.2V output power.
Page 7

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