PIC16F688-ISLASHMLQTP datasheet(111/202 Pages) MICROCHIP

111 / 202 page

DS41203D-page 109

PIC16F688

11.0

SPECIAL FEATURES OF THE

CPU

The PIC16F688 has a host of features intended to

maximize system reliability, minimize cost through

elimination

external

components,

provide

power-saving features and offer code protection.

These features are:

• Reset

- Power-on Reset (POR)

- Power-up Timer (PWRT)

- Oscillator Start-up Timer (OST)

- Brown-out Reset (BOR)

• Interrupts

• Watchdog Timer (WDT)

• Oscillator Selection

• Sleep

• Code Protection

• ID Locations

• In-Circuit Serial Programming™

The PIC16F688 has two timers that offer necessary

delays on power-up. One is the Oscillator Start-up

Timer (OST), intended to keep the chip in Reset until

the crystal oscillator is stable. The other is the

Power-up Timer (PWRT), which provides a fixed delay

of 64 ms (nominal) on power-up only, designed to

keep the part in Reset while the power supply

stabilizes. There is also circuitry to reset the device if

a brown-out occurs, which can use the Power-up

Timer to provide at least a 64 ms Reset. With these

three functions-on-chip, most applications need no

external Reset circuitry.

The Sleep mode is designed to offer a very low-current

Power-Down mode. The user can wake-up from Sleep

through:

•External Reset

• Watchdog Timer Wake-up

• An interrupt

Several oscillator options are also made available to

allow the part to fit the application. The INTOSC option

saves system cost while the LP crystal option saves

power. A set of Configuration bits are used to select

various options (see Register 11-1).

PIC16F688-I/MLQTP Datasheet(PDF) 111 Page - Microchip Technology

PIC16F688-I/MLQTP Datasheet(HTML) 111 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL