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Bluetooth is a wireless technology standard managed by the Bluetooth Technology Alliance (SIG). Bluetooth is designed for short-range data transmission and exchange, using the unlicensed ISM band of 2.4 GHz. Bluetooth is rich in features, including point-to-point audio streaming and large-scale many-to-many mesh networks for lighting or home automation.

WCH provides Bluetooth MCU based on self-developed RF technology and baseband algorithm. Bluetooth MCU is equipped with mature network protocol stack, rich sample code and multi-platform APP tools. Some chip models can be used without secondary development; Provide characteristic Bluetooth/serial /USB three-way chips to empower more complex wireless applications.

Part NO.	Freq	Flash	SRAM	Data Flash	BLE	USB	TouchKey/ADC	Timer	PWM	UART/SPI/IIC	GPIO	VDD	Package	Download
CH585	78MHz	448K	128K	32K	5.4	480Mbps H/D	14/14*12b	1/2/4/8	12	4/2/1	40	1.7/3.3	QFN48T/QFN32/QFN26C3	NULL
CH584	78MHz	448K	96K	32K	5.4	1H/1D	14/14*12b	1/2/4/8	12	4/2/1	40	1.7/3.3	QFN48T/QFN32	NULL
CH592	20MHz	448K	26K	32K	5.4	1H/1D	12/12*12b	4*26b	12	4/1/1	24	1.7/3.3	QFN32/QFN28	NULL
CH591	20MHz	192K	26K	32K	5.4	1*D	-/6*12b	4*26b	10	2/1/-	20	2.3/3.3	QFN28/QFN20/TSSOP16	NULL
CH583	20MHz	448K	32K	32K	5.3	2H/2D	14/14*12b	4*26b	12	4/2/1	40	1.7/3.3	QFN48	NULL
CH582	20MHz	448K	32K	32K	5.3	2H/2D	14/14*12b	4*26b	12	4/1/1	40	2.3/3.3	QFN48/QFN28	NULL
CH581	20MHz	192K	32K	32K	5.3	1*D	-/6*12b	4*26b	10	2/1/-	20	2.3/3.3	QFN28	NULL
CH573	20MHz	448K	18K	32K	4.2	1H/1D	10/10*12b	4*26b	12	4/1/-	22	1.7/3.3	QFN32/QFN28	NULL
CH571	20MHz	192K	18K	32K	4.2	1*D	-/6*12b	4*26b	4	2/1/-	20	2.3/3.3	QFN28/QFN20	NULL
CH32V208GBU6	144MHz	128K	64K	-	5.3	1H/2D	8/1*12b	416b/132b	20	2/1/1	21	2.5/3.3	QFN28	NULL
CH32V208CBU6	144MHz	128K	64K	-	5.3	1H/2D	16/1*12b	416b/132b	20	4/2/2	37	2.5/3.3	QFN48	NULL
CH32V208RBT6	144MHz	128K	64K	-	5.3	1H/2D	16/1*12b	416b/132b	20	4/2/2	49	2.5/3.3	LQFP64M	NULL
CH32V208WBU6	144MHz	128K	64K	-	5.3	1H/2D	16/1*12b	416b/132b	20	4/2/2	53	2.5/3.3	QFN68	NULL

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