Product Series

Part No.

Max.
Freq.

VDD

Program
Memory

Data
Memory

Data
EEPROM

Stack

I/O

Timer

ADC

Touch
Key

High Current
LED Driver

LVR

Interface

Package

16MHz

1.8V~
5.5V

4K×16

512×8

10-bit CTM×1
10-bit PTM×1

12-bit×8

1.70V
1.90V
2.55V
3.15V
3.80V

SPI/I²C×1
UART×1^#

16NSOP
20/24/28SSOP

Note: # High speed UART interface.

Part No.	Internal Clock	VDD	System Clock	Program Memory	Data Memory	Data EEPROM	I/O	Timer	RTC	A/D	High Current LED Driver	Touch Key	LVR/ LVD	IAP	Interface	Stack	Package
BS66F340	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	4Kx16	512x8	128x8	26	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	26	12	√	√	SPI/I2Cx1 UARTx1	8	28SSOP
BS66F350	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	8Kx16	768x8	128x8	40	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	40	20	√	√	SPI/I2Cx1 UARTx1	8	44/48LQFP
BS66F360	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	16Kx16	1024x8	128x8	46	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	46	28	√	√	SPI/I2Cx1 UARTx1	12	28SOP 44/48LQFP
BS66F370	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	32K×16	1536×8	128x8	60	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	60	36	√	√	SPI/I2Cx1 UARTx	16	44/48/64 LQFP
BS66F340C	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	4Kx16	512x8	128x8	26	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	26	12	√	√	SPI/I2Cx1 UARTx1	8	28SSOP
BS66F350C	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	8Kx16	768x8	128x8	40	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	40	20	√	√	SPI/I2Cx1 UARTx1	8	44/48LQFP
BS66F360C	8MHz 12MHz 16MHz	2.2V~ 5.5V	8MHz~ 16MHz	16Kx16	1024x8	128x8	46	10-bit CTMx2 16-bit STMx1 10-bit PTMx1	√	12-bitx8	46	28	√	√	SPI/I2Cx1 UARTx1	12	44/48LQFP