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1.ROM: 1K x 14 bits OTP or 512 x 14 bits TTP™ (Two Time Programmable ROM)
2.RAM: 48 x 8 bits
3.STACK: 5 Levels
4.I/O port: One Bit programmable I/O port (Max. 6 pins)
5.Timer/Counter: One 8-bit timer/counter with divided by 1~256 pre-scale option
6.Watchdog Timer
Clocked by built-in RC oscillator with 4 adjustable Reset/Interrupt Time
(103 ms/52 ms/26 ms/13 ms, @5V; 131 ms/66 ms/33 ms/16 ms, @3V)
Watchdog timer can be disabled/enabled in STOP mode
7.Reset
Power On Reset
Watchdog Reset
Low Voltage Reset
External pin Reset
8.System Clock Mode
Internal RC: 4/8 MHz. When the IRC is 8 MHz, the LVR can only be set to 2.9V (cannot use 2V).
External RC
9.2-Level Low Voltage Reset: 2.0V/2.9V (Can be disabled)
