Part No. Internal
Clock
VDD System
Clock
Program
Memory
Data Memory I/O 8-bit
Timer
RTC Time
Base
Interrupt PWM Touch
Key
R-Type
LCD
PFD Stack Package
Ext. Int.
BS2824 4MHz
8MHz
12MHz
2.2V~
5.5V
32kHz~
12MHz
2Kx15 96x8 8 2 v 1 1 3 -- 4 -- v 6 16NSOP
BS2854 4MHz
8MHz
12MHz
2.2V~
5.5V
32kHz~
12MHz
2Kx15 96x8 20 1 v 1 1 2 -- 4 4COM v 4 24/28SOP
BS2868 4MHz
8MHz
12MHz
2.2V~
5.5V
32kHz~
12MHz
4Kx15 224x8 31 2 v 1 1 3 8-bitx2 8 4COM v 6 44QFP
Note: 1.These devices are only available in OTP versions.
        2.All devices include a fully integrated RC system oscillator.