| STM32F407VGT6 | ATmega2560 | ||
|---|---|---|---|
| Price | $11 | $9.1 | |
| Core | 168 MHz | 16MHz | |
| Memories | Up to 1 Mbyte of Flash memory •Up to 192+4 Kbytes of SRAM |
Program Memory Size (KB)256 SRAM Bytes 8,192 Data EEPROM/HEF (bytes) 4096 |
|
| Clock, reset and supply management | |||
| Timers | 2 x 8-bit, 4 x 16-bit | ||
| Communications interfaces | 4-UART, 5-SPI, 1-I2C | ||
| Analog to digital converter (ADC) | |||
| I/Os | 4 Input Capture, 4 CCP, 16PWM | ||
| STM32F103C8T6 | ATmega328 | ||
|---|---|---|---|
| Price | $1.38 | $2.15 | |
| Core | 72 MHz | 16MHz | |
| Memories | 64 or 128 Kbytes of Flash memory – 20 Kbytes of SRAM |
32KBytes of In-System Self-Programmable Flash program Memory – 1KBytes EEPROM – 2KBytes Internal SRAM |
|
| Clock, reset and supply management | 2.0 to 3.6 V application supply and I/Os – POR, PDR, and programmable voltage detector (PVD) – 4-to-16 MHz cr ystal oscillator – Internal 8 MHz factory-trimmed RC – Internal 40 kHz RC – PLL for CPU clock – 32 kHz oscillator for RTC with calibration |
2.7 - 5.5V | |
| Timers | 7 timers – Three 16-bit timers, each with up to 4 IC/OC/PWM or pulse counter and quadrature (incremental) encoder input – 16-bit, motor control PWM timer with dead- time generation and emergency stop – 2 watchdog timers (Independent and Window) – SysTick timer 24-bit downcounter |
3 | |
| Communications interfaces | Up to 9 communication interfaces – Up to 2 x I2C interfaces (SMBus/PMBus) – Up to 3 USARTs (ISO 7816 interface, LIN, IrDA capability, modem control) – Up to 2 SPIs (18 Mbit/s) – CAN interface (2.0B Active) – USB 2.0 full-speed interface |
||
| Analog to digital converter (ADC) | 2 x 12-bit, 1 μs A/D converters (up to 16 channels) |
||
| I/Os | Up to 80 fast I/O ports – 26/37/51/80 I/Os, all mappable on 16 external interrupt vectors and almost all 5 V-tolerant |
||
| STM8S103F3P6 | STM8S105C6T6 8BIT 32KB FLASH | ATmega8 | |
|---|---|---|---|
| Price | $0.99/2=$0.5 $2.54/5=$0.51 | $0.99/1 | $1.47/2=0.78 $3.18/5=$0.63 |
| Core | 16 MHz | 16MHz | |
| Memories | • Program memory: 8 Kbyte Flash; •Data memory: 640 byte true data EEPROM; •RAM: 1 Kbyte |
•Program memory: up to 32 Kbyte Flash; •Data memory: up to 1 Kbyte true data EEPROM; •RAM: up to 2 Kbyte |
8KBytes of Flash program memory – 512Bytes EEPROM – 1KByte Internal SRAM |
| Clock, reset and supply management | 2.95 to 5.5 V operating voltage 4 master clock sources – Internal, user-trimmable 16 MHz RC – Internal low-po wer 128 kHz RC •Clock security system with clock monitor |
2.7 - 5.5V | |
| Timers | •Advanced control timer: 16-bit, 4 CAPCOM channels, 3 complementary outputs, dead-time insertion and flexible synchronization •16-bit general purpose timer, with 3 CAPCOM channels (IC, OC or PWM) •8-bit basic timer with 8-bit prescaler |
Two 8-bit Timer/Counters with Separate Prescaler, one Compare Mode – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode – Real Time Counter with Separate Oscillator – Three PWM Channels |
|
| Communications interfaces | •UART with clock output for synchronous operation, SmartCard, IrDA, LIN master mode •SPI interface up to 8 Mbit/s •I2C interface up to 400 kbit/s |
Byte-oriented Two-wire Serial Interface – Programmable Serial USART – Master/Slave SPI Serial Interface |
|
| Analog to digital converter (ADC) | 10-bit, ±1 LSB ADC with up to 5 multiplexed channels, scan mode and analog watchdog |
8-channel ADC in TQFP and QFN/MLF package • Eight Channels 10-bit Accuracy – 6-channel ADC in PDIP package • Six Channels 10-bit Accuracy |
|
| I/Os | Up to 28 I/Os on a 32-pin package including 21 high sink outputs |
23 Programmable I/O Lines | |
| •96-bit unique key for each device |
