16MHz internal clock 2.1 to 5.5 volt operation 40 pin microcontroller Makes the controller ideal for training The PICAXE-40X2 Microcontroller Chip is a second generation chip with many more features and greater pin flexibility. This makes the controller ideal for training. Enhanced 40 pin microcontroller with individual pin control, 4 memory slots and additional features including i2c/spi bus support. Features: Base PIC micro (PIC18F series): 45K22 Voltage range (V): 2.1-5.5 PICAXE Firmware version range: B.3+ Current (still in production) part: Yes Max internal freq (MHz): 16 Max external freq (MHz): 64 Touch sensor support: Yes ADC setup: individual Internal ADC reference (V): 1.024 Variables RAM (bytes): 256 Scratchpad RAM (bytes): 1024 Internal program slots: 4 External program slots: 32 Hardware interrupt pins: 3 Pwmout channels: 2 hpwm support: Yes Power steering mode within hpwm: Yes Pullups individually controller: Yes SRlatch, FVR and DAC modules: Yes I2C SPI 1-wire UNI/O
