JL6976M Datasheet V1.0

📎 原始文档：https://www.kdocs.cn/l/ceDg8ZQ7WsZd

JL6976M Datasheet

Zhuhai Jieli Technology Co.,LTD

Version：1.0

Date：2021.08.31

l Confidential
The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI.

JL6976M Features

CPU

32-bit DSP supports hardware Float Point Unit(FPU)
U to l60MHz ro ra able rocessor
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    Two analog MIC amplifier, build-in MIC bias generator
    Supports two PDM digital MIC inputs
    One channel Stereo analog MUX
    Supports cap-less, single-ended, and differential mode at the DAC path
    Supports l6ohm and 32ohm Speaker loading

Bluetooth

Compliant with Bluetooth
V5 .3+BR+EDR+BLE specification
Meet class2 and class3 transmitting power requirement
Su ort GFSK and π/4 DQPSK all acketes
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PMU

Low voltage LDO and DC-DC for internal digital and analog circuit supply
2uA current consumption in the soft-off mode
Built-in LDO and DC-DC for the core, I/O, Bluetooth and flash
VBAT is 2.2V to 4.5V
VDDIO is 2.2V to 3.4V

Packages

QFN32(4mm*4mm)
2 Confidential
The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of JIELI.
Temperature
Operating temperature: -40℃ to +85℃
Storage temperature: -65℃ to + l50℃
Applications
Bluetooth wireless MIC
Bluetooth Game Earphone
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1、 Pin Definition

1. 1 Pin Assignment

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Figure 1-1 JL6976M Package Diagram

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1.2 Pin Description

Table 1-1 JL6976M Pin Description

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PIN
NO.		NameI/O
Type		Drive
(mA)		FunctionOther Function
1DACVSSP/Analog Ground
2HPVDDP/Headphone AMP Power
3VDDIOP/IO Power 3.3v
4PB8I/O8/24GPIOMIC1： MIC1 Input Channel；
UART0RXB：Uart0 Data Input(B)；
CAP4： Timer4 Capture；
5PB7I/O8/24GPIOMIC_BIAS1： MIC1 Bias Output；
UART0TXB：Uart0 Data Output(B);
6PB6I/O8/24GPIOUART1RXA：Uart1 Data Input(A)；
PWM2： Timer2 PWM Output；
ADC9： ADC Input Channel 9；
Touch7： Touch Input Channel 7;
7PGNDP/DCDC Ground
8SWP/DCDC switch output, connected to inductor
9VBATP/Power Supply, connect to battery
10LDO_INP/Charge Power Input;
UART0TXC：Uart0 Data Output(C);
UART0RXC：Uart0 Data Input(C);
PWM3： Timer3 PWM Output；
CAP1： Timer1 Capture;
11BT_AVDDP/GPIOBT Power
12PB3I/O8/24GPIO
EVDDP/EVDD：Supply volte to peripherals
13PB2I/O8/24GPIOUART2RXC：Uart2 Data Input(C);
SPI2DOC：SPI2 Data Out(C);
CAP5：Timer5 Capture;
ADC7：ADC Input Channel 7；
LP_TH1： Low Power Touch Channel 1
14PB1I/O8/24GPIO (pull up)Long Press Reset；
SPI2CLKC：SPI2 Clk(C);
UART2TXC：Uart2 Data Output(C)
ADC6： ADC Input Channel 6；
LP_TH0： Low Power Touch Channel 0

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15PB0I/O8GPIO
(High Voltage Input)		SPI2_DIC：SPI2 Data In(C);
ALNK_MCLK(B)：ALNK1 Master Clock(B);
TMR4： Timer4 Clock Input;
16BT_RF//BT Antenna
17VSSIOP/Ground
18BT_OSCII/BTOSC In
19BT_OSCOO/BTOSC Out
20PC5I/O8/24GPIOUART2RXD：Uart2 Data Input(D);
SPI1DOB：SPI1 Data Out(B);
ALNK_DAT3(B)：Audio Link Data3(B);
IIC_SDA_B：IIC SDA(B)；
ADC5：ADC Input Channel 5；
21PC4I/O8/24GPIOUART2TXD：Uart2 Data Output(D);
SPI1CLKB：SPI1 Clock(B);
ALNK_DAT2(B)：Audio Link Data2(B);
IIC_SCL_B：IIC SCL(B)；
ADC4： ADC Input Channel 4；
PWM4： Timer4 PWM Output；
22PC3I/O8/24GPIOUART0RXD：Uart0 Data Input(D);
SPI1DIB：SPI1 Data In(B);
ALNK_LRCK(B)：Audio Link Word Select(B);
IIC_SDA_C：IIC SDA(C)；
TMR3： Timer3 Clock Input;
23PC2I/O8/24GPIOALNK_SCLK(B)：Audio Link Serial Clock(B);
IIC_SCL_C：IIC SCL(C)；
UART0TXD：Uart0 Data Output(D);
TMR1： Timer1 Clock Input;
24USBDMI/O4USB Negative DataUART1RXD：Uart1 Data Input(D)；
IIC_SDA_A：IIC SDA(A)；
ADC11：ADC Input Channel 11；
UART1TXD：Uart1 Data Out ut(D)；
25USBDPI/O4USB Positive Datap IIC_SCL_A：IIC SCL(A)；
ADC10：ADC Input Channel 10；
26PA3I/O8/24GPIOUART2TXA：Uart2 Data Output(A);
ADC0： ADC Input Channel 0；
PWM1： Timer1 PWM Output；
Touch0：Touch Input Channel 0;
PA2I/O8/24GPIOALNK_MCLK(A)： ALNK Master Clock(A);
MIC_BIAS0： MIC0 Bias Output；
MIC0_N：Different MIC0 Negative
CAP3： Timer3 Capture；

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UART1RXC： Uart1 Data In(C)；
27PA1I/O8/24GPIOMIC0： MIC0 Input Channel ;
PWM0： Timer0 PWM Output；
UART1TXC：Uart1 Data Output(C)；
28DACRO/DAC Right Channel
29DACLO/DAC Left Channel
30
31
32		NC
NC
VCOM

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2、 Electrical Characteristics

2. 1 Absolute Maximum Ratings
Table 2-l
SymbolParameterMinMaxUnit
ToptOperating temperature-40+85°C
TstgStorage temperature-65+ l50°C
VBATSupply Voltage-0.34.5V
LDO_INCharger Voltage-0.36V
V3.3IO3.3V IO Input Voltage-0.33.6V

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Note : The chip can be damaged by any stress in excess of the absolute maximum ratings listed below
2.2 PMU Characteristics
Table 2-2
SymbolParameterMinTypMaxUnitTest Conditions
VBATVoltage Input2.23.74.2V
LDO_INCharger supply
Voltage		4.55.05.5V
Normal mode
VDDIOVoltage output_3.0_VVBAT = 4.2V, l0mA loading
Loading current__l00mAVDDIO=3V@VBAT = 4.2V
BT_AVDDVoltage output_l.3_VVDDIO=3 .0V, l0mA loading
Loading current__60mABT_AVDD=l.25V@VDDIO=3 .0v
EVDDVoltage output_l. l_VBT_AVDD=l.25V, lmA loading
Loading current__5mAEVDD=l. lV@BT_AVDD=l.25v
LP mode
VDDIOLoading current5mAVDDIO=3V@VBAT = 4.2V
2.3 Battery Charge
Table 2-3
SymbolParameterMinTypMaxUnitTest Conditions
LDO_INCharge Input
Voltage		4.555.5V_
VChargeCharge Voltage4. l54.24.25VLDO_IN＞4 .5V

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4.304.354.40VLDO_IN＞4 .65V
IChargeCharge Current20200mACharge current at fast charge mode
ITriklTrickle Charge
Current		204570mAVBAT<VTrikl
2.4 IO Input/Output Electrical Logical Characteristics
Table 2-4

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IO input characteristics
SymbolParameterMinTypMaxUnitTest Conditions
VILLow-Level Input
Voltage		-0.3_0.3* VDDIOVVDDIO = 3.3V
VIHHigh-Level Input
Voltage		0.7*
VDDIO		_VDDIO+0.3VVDDIO = 3.3V
IO output characteristics
VOLLow-Level Output
Voltage		__0.33VVDDIO = 3.3V
VOHHigh-Level Output
Voltage		2.7__VVDDIO = 3.3V
2.5 Internal Resistor Characteristics
Table 2-5
PortGeneral
Output		High
Drive		Internal
Pull-Up
Resistor		Internal
Pull-Down
Resistor		Comment
PA1~PA3
PC2~PC5
PB3~PB3
PB6~PB8		8mA24mA10K10K1、 PB1 default pull up
2、USBDM & USBDP default pull down
3、 internal pull-up/pull-down resistance
PB08mA_10K10K
USBDP4mA_1.5K15K
USBDM4mA_180K15K
2.6 DAC Characteristics
Table 2-6
ParameterMinTypMaxUnitTest Conditions
Frequency Response20_20KHz1KHz/0dB 10Kohm loading With A-Weighted Filter
THD+N_-80_dB
S/N_101_dB
Crosstalk_-80_dB

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Output Swing0.45Vrms
Dynamic Range90dB1KHz/-60dB 10Kohm loading With A-Weighted Filter
DAC Output Power_4_mW32ohm loading

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2.7 ADC Characteristics
Table 2-7
ParameterMinTypMaxUnitTest Conditions
Dynamic Range92dBFsample=44 . 1kHz
Fin=1KHz 2mVpp Input
S/N_92_dBFsample=44 . 1kHz
Fin=1KHz 1.2Vpp Input
THD+N_-75_dB
Crosstalk_-80_dB
2.8 BT Characteristics
2.8.1 Transmitter

Basic Data Rate Table 2-8

ParameterMinTypMaxUnitTest Conditions
RF Transmit Power68dBm25℃, Power Supply VBAT=5V 2441MHz
RF Power Control Range20dB
20dB Bandwidth950KHz
Adjacent Channel
Transmit Power		+2MHz-40dBm
-2MHz-38dBm
+3MHz-44dBm
-3MHz-35dBm

Enhanced Data Rate Table 2-9

ParameterMinTypMaxUnitTest Conditions
Relative Power-1dB25℃, Power Supply VBAT=5V 2441MHz
π/4 DQPSK Modulation AccuracyDEVM RMS6%
DEVM 99%10%
DEVM Peak15%
Adjacent Channel
Transmit Power		+2MHz-40dBm
-2MHz-38dBm

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+3MHz-44dBm
-3MHz-35dBm
2.8.2 Receiver

Basic Data Rate Table 2-10
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ParameterMinTypMaxUnitTest Conditions
Sensitivity-94dBm25℃, Power Supply VBAT=5V 244lMHz
Co-channel Interference Rejection-l3dB
Adjacent Channel
Interference Rejection		+ lMHz+5dB
-lMHz+2dB
+2MHz+37dB
-2MHz+36dB
+3MHz+40dB
-3MHz+35dB

Enhanced Data Rate Table 2-11

ParameterMinTypMaxUnitTest Conditions
Sensitivity-94dBm25℃, Power Supply VBAT=5V 244lMHz
Co-channel Interference Rejection-l3dB
Adjacent Channel
Interference Rejection		+ lMHz+5dB
-lMHz+2dB
+2MHz+37dB
-2MHz+36dB
+3MHz+40dB
-3MHz+35dB
2.8.3 BLE Transmitter

1M Data Rate Table 2-12

ParameterMinTypMaxUnitTest Conditions
Sensitivity-94dBm25℃, Power Supply VBAT=5V 244lMHz
RF Transmit Power79dB
In-band Spurious
Emission		+2MHz-42-20dB
-2MHz-34-20dB
+3MHz-46-30dB
-3MHz-36-30dB
ModulationΔfl avg225247

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Δf2 99%l85236
Δflavg/Δf2av0.80.9
Carrier Frequency Offset-l50+/-l0+ l50KHz
Frequency Drift-50+/-5+50KHz
Frequency Drift Rate-203+20KHz/50us

image 2M Data Rate Table 2-13

ParameterMinTypMaxUnitTest Conditions
Sensitivity-94dBm25℃, Power Supply VBAT=5V 244lMHz
RF Transmit Power79dB
Adjacent Channel
Transmit		+2MHz-46-20dB
-2MHz-38-20dB
+3MHz-53-30dB
-3MHz-42-30dB
Frequency DeviationΔfl avg450520
Δf2 99%370500
Δflavg/Δf2av0.80.9
Carrier Frequency Offset-l50+/-l0+ l50KHz
Frequency Drift-50+/-5+50KHz
Frequency Drift Rate-20+/-3+20KHz/50us

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3、 Package Information

3. 1 QFN32_4.0x4.0

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4、 Revision History

DateRevisionDescription
2020.08.3lVl.0Initial Release

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