Makeeachdaycount
131 PowerfulInstructions
Most Single Clock Cycle Execution
32 x 8 General Purpose Working Registers
Up to 20 MIPS Throughput at 20MHz
On-chip 2-cycle Multiplier
32KBytes of In-System Self-Programmable Flash program
Memory (程式記憶體)
1KBytes EEPROM (資料記憶體,系統斷電後,資料依然能夠留存)
2KBytes Internal SRAM (資料記憶體)
Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
Data Retention: 20 years at 85°C/100 years at 25°C
ATmega328P 2/6
6
Makeeachdaycount
32 x8-bit general purpose
registers with a single clock cycle
access time
Six of the 32 registers can be
used as three 16-bit indirect
address register pointers for
Data Space addressing –
enabling efficient address
calculations.
ATmega328P 4/6
8
Makeeachdaycount
串列埠傳輸RXD、TXD
D0(PD0)、D1 (PD1)
Two 8-bit Timer/Counters with Separate Prescaler and Compare
Mode
One 16-bit Timer/Counter with Separate Prescaler, Compare
Mode, and Capture Mode
外部中斷INT0、INT1
D2 (PD2)、D3 (PD3)
ATmega328P 6/6
10