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P80C32 数据表(PDF) 20 Page - NXP Semiconductors |
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P80C32 数据表(HTML) 20 Page - NXP Semiconductors |
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20 / 62 page ![]() Philips Semiconductors Product data P80C3xX2; P80C5xX2; P87C5xX2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 2003 Jan 24 20 TR2 CONTROL TL2 (8-BITS) TH2 (8-BITS) TF2 RCAP2L RCAP2H EXEN2 CONTROL EXF2 TIMER 2 INTERRUPT T2EX PIN TRANSITION DETECTOR RELOAD SU01623 C/T2 = 0 C/T2 = 1 *n = 6 in 6-clock mode; n = 12 in 12-clock mode. OSC ÷ n* T2 Pin Figure 9. Timer 2 in Auto-Reload Mode (DCEN = 0) TL2 TH2 TR2 CONTROL SU01624 FFH FFH RCAP2L RCAP2H (UP COUNTING RELOAD VALUE) T2EX PIN TF2 INTERRUPT COUNT DIRECTION 1 = UP 0 = DOWN EXF2 OVERFLOW (DOWN COUNTING RELOAD VALUE) TOGGLE C/T2 = 0 C/T2 = 1 *n = 6 in 6-clock mode; n = 12 in 12-clock mode. OSC ÷ n* T2 Pin Figure 10. Timer 2 Auto Reload Mode (DCEN = 1) |
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