1. Seattle Pacific University Microcontrollers Micros-1 Seattle Pacific University HC11E9 Processor 8-bit, 2-3MHz, Accumulator based Built-in Toys 16-bit timer 8-bit SA A/D Interfaces 16-bit Address/8-bit Data bus UART (RS232) SPI Memory 512B RAM, 2KB EEROM, 12KB EPROM Power (No Peripherals) Around 100mW (Around 24 hours on 1 alkaline AA) Development environment cost Around $400 Key Distinctives Stable platform SPU-supplied EVMs Experience

2. Motorola HC11

3. Seattle Pacific University Microcontrollers Micros-3 Seattle Pacific University Cypress PSOC Processor 8-bit, 96kHz-24MHz, Accumulator based Built-in Toys 6-13 bit A/D, 10-bit D/A, Programmable gain amplifier, Programmable filters, Comparators, Analog multiplexors 8-32 bit counter/timer, 8-32 bit pseudo-random generator, 8-16 bit PWM, CRC generator Interfaces IRDA (IR optical) UART (RS232) SPI I2C No external memory bus! Memory 256B RAM, 4-16KB EEROM Power (no peripherals) 6-35mW (Around 3-20 days on one alkaline AA) Development environment cost Around $200 Key Distinctives Analog Functions Configurable and expandable On-line Training

4. Cypress PSOC

5. Seattle Pacific University Microcontrollers Micros-5 Seattle Pacific University TI MSP430 Processor 16-bit, 4kHz-8MHz, 12 16-bit registers Built-in Toys 16-bit timer, 10-14 bit A/D, LCD segment driver, comparator, Fast multiply Interfaces UART (RS232) No external memory bus! Memory 128-2048B RAM, 1-60KB EEROM Power (no peripherals) 5μW – 7mW (17 days – 10 years on one alkaline AA) Development environment cost Around $50 - $100 Key Distinctives Ultra-low Power May run for years on one AA battery Inexpensive

6. TI MSP430

7. Seattle Pacific University Microcontrollers Micros-7 Seattle Pacific University Microchip PIC (PIC16F87X) Processor 8-bit, 32KHz to 20MHz Built-in Toys Varies by (wide) product line. 10-12 bit A/Ds, 16 bit timers, Programmable gain amplifiers, comparitors, etc. Interfaces UART (RS232), I2C, SPI, some have IRDA or USB No Data Bus Memory Up to 512B RAM Up to 64KB Flash program memory Power (no peripherals) 5μW – 2mW (several days – 10 years on one alkaline AA) Development environment cost Around $100-$200 Key Distinctives Huge product line Low power Easy to use

8. Seattle Pacific University Microcontrollers Micros-8 Seattle Pacific University PIC16F87X

9. Seattle Pacific University Microcontrollers Micros-9 Seattle Pacific University Microcontroller Selection HC11PSOCMSP430PIC Frequency 1-3MHz90kHz-24MHz4kHz-8MHz 32kHz-20MHz Voltage 5V3-5V1.8-3.6V2.5-5V Power (run) 2MHz:~100mW96kHz:~6mW 24MHz:~35mW 4KHz:~5μW 8MHz:~7mW 1MHz:~0.2μW Power (slp) ~250 μW~15 μW~0.2 μW A/D options 8-bit6-13 bits (configurable) 8-14 bits (various PNs) 4-14 bits (various PNs) Price $5.00-$15.00$2.00-$8.00$0.49 - $8.00$2.00-$5.00 I/O Pins 30-406-4414-4812-40+ RAM 256-512B256B128-2048B128-256B ROM 12-20KB (EPROM) 4-16KB (Flash) 1-60KB (Flash) 1-20KB (Flash)