rom (flash) : 16k bytes sram : 1k bytes general purpose i/o (gpio) - 44-pin pkg : 42 (r0[7:0], r1[7:0], r2[7:0], r3[5:0], r4[7:0], r5[3:0]) - 42-pin pkg : 40 (r0[7:0], r1[7:0], r2[7:0], r3[5:0], r4[7:0], r5[1:0]) - 32-pin pkg : 30 (r0[7:0], r1[7:0], r2[7:0], r3[5:0]) - 28-pin pkg : 26 (r0[7:0], r1[7:0], r2[0], r2[7:5], r3[5:0]) basic interval timer (bit) 8bit × 1ch watch dog timer (wdt) 8bit × 1ch watch timer (wt) timer/ counter 8bit × 4ch (or 16bit x 2ch ) sio 8bit × 1ch uart 8bit × 1ch i2c 8bit × 1ch buzzer 8bit x 1ch 244 – 250khz @8mhz pwm 8bit x 2ch, 10bit × 3ch, 16bit x 1ch 12 bit adc * 15 ch. interrupt sources - external interrupts(int0~11), - timer0 match/overflow - timer1 match/overflow - timer2 match/overflow - timer3 match/overflow - wdt, bit, wt, sio, uart(tx/rx), i2c on-chip rc-oscillator 8/4/2/1mhz power on reset (por) - reset release level 1.83v/typ (detect only rising) low voltage reset (lvr) 4 level detector (4.0v, 3.0v, 2.7v, 2.4v) minimum instruction execution time 166ns (@12mhz 2 cycle nop instruction) power down mode idle stop mode sub-active mode system used external 32.768khz oscillation clock operating voltage & frequency - 2.2v ~ 5.5v : 1.0 - 4.2 mhz - 2.7v ~ 5.5v : 1.0 - 8.0 mhz - 4.0v ~ 5.5v : 1.0 - 12.0 mhz operating temperature - 40°c ~ 85°c oscillator type - crystal - ceramic - rc pkg type - 44mqfp - 42sdip - 32sdip/sop - 28 skdip/sop |