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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PIC18F23K22-E/ML 데이터시트(PDF) 447 Page - Microchip Technology |
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PIC18F23K22-E/ML 데이터시트(HTML) 447 Page - Microchip Technology |
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447 / 496 page  2010 Microchip Technology Inc. Preliminary DS41412C-page 447 PIC18(L)F2X/4XK22 FIGURE 27-9: TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS TABLE 27-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER AND BROWN-OUT RESET REQUIREMENTS Param. No. Symbol Characteristic Min Typ Max Units Conditions 30 TmcL MCLR Pulse Width (low) 2 — — s 31 TWDT Watchdog Timer Time-out Period (no postscaler) 3.5 4.1 4.7 ms 1:1 prescaler 32 TOST Oscillation Start-up Timer Period 1024 TOSC — 1024 TOSC —TOSC = OSC1 period 33 TPWRT Power-up Timer Period 54.8 64.4 74.1 ms 34 TIOZ I/O High-Impedance from MCLR Low or Watchdog Timer Reset —2 — s 35 TBOR Brown-out Reset Pulse Width 200 — — sVDD BVDD (see D005) 36 TIVRST Internal Reference Voltage Stable — 25 35 s 37 THLVD High/Low-Voltage Detect Pulse Width 200 — — sVDD VHLVD 38 TCSD CPU Start-up Time 5 — 10 s 39 TIOBST Time for HF-INTOSC to Stabilize — 0.25 1 ms Note: Refer to Figure 27-4 for load conditions. 46 47 45 48 41 42 40 T0CKI T1OSO/T13CKI TMR0 or TMR1 |
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