Description
Pin name
GND
P10
P11 P12 P20 P21 P22 P23 P24 P25 P26 P00 P01 P02 P03 P04 P05 P06 P07 VDD
In/Out
-
I/O
I/O IN I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O -
Pin Description ground Bit-programmable I/O port for Schmitt trigger input or push-pull, open-drain output.Pull-up resistors or pull-down resistors are assignable by software.Schmitt trigger input port
Bit-programmable I/O port for Schmitt trigger input or push-pull, open-drain output.Pull-up resistors are assignable by
Features
- 8-bit CISC core(compatible with Motorola HC05).
- 4K byte OTP ROM.
- 208 byte RAM.
- Three configurable I/O ports (18 pins).
- One 8-bit PWM output.
- One 8-bit timer/counter with time interval mode.
- A/D converter with nine input channels and 10-bit resolution.
- Four interrupt sources (two external interrupt, timer interval interrupt, PWM interrupt).
- WATCH DOG.
- 3V LVR.
- Four configurable clock circuit:
Crystal/Ceramic oscillator (400K-4MHz) External RC.