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PIC12F1822-I/MF 数据表(PDF) 351 Page - Microchip Technology |
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PIC12F1822-I/MF 数据表(HTML) 351 Page - Microchip Technology |
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351 / 398 page  2010 Microchip Technology Inc. Preliminary DS41413A-page 351 PIC12F/LF1822/16F/LF1823 TABLE 29-4: CLKOUT AND I/O TIMING PARAMETERS FIGURE 29-8: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP TIMER TIMING Standard Operating Conditions (unless otherwise stated) Operating Temperature -40°C TA +125°C Param No. Sym. Characteristic Min. Typ† Max. Units Conditions OS11 TosH2ckL FOSC to CLKOUT (1) —— 70 ns VDD = 3.3-5.0V OS12 TosH2ckH FOSC to CLKOUT (1) —— 72 ns VDD = 3.3-5.0V OS13 TckL2ioV CLKOUT to Port out valid(1) —— 20 ns OS14 TioV2ckH Port input valid before CLKOUT (1) TOSC + 200 ns — — ns OS15 TosH2ioV Fosc (Q1 cycle) to Port out valid — 50 70* ns VDD = 3.3-5.0V OS16 TosH2ioI Fosc (Q2 cycle) to Port input invalid (I/O in hold time) 50 — — ns VDD = 3.3-5.0V OS17 TioV2osH Port input valid to Fosc (Q2 cycle) (I/O in setup time) 20 — — ns OS18 TioR Port output rise time(2) — — 40 15 72 32 ns VDD = 1.8V VDD = 3.3-5.0V OS19 TioF Port output fall time(2) — — 28 15 55 30 ns VDD = 1.8V VDD = 3.3-5.0V OS20* Tinp INT pin input high or low time 25 — — ns OS21* Tioc Interrupt-on-change new input level time 25 — — ns * These parameters are characterized but not tested. † Data in “Typ” column is at 3.0V, 25 C unless otherwise stated. Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x TOSC. 2: Includes OSC2 in CLKOUT mode. VDD MCLR Internal POR PWRT Time-out OSC Start-Up Time Internal Reset(1) Watchdog Timer 33 32 30 31 34 I/O pins 34 Note 1: Asserted low. Reset(1) |
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