PIC16F688-I/P Microchip Technology Inc., PIC16F688-I/P Datasheet - Page 30

• Manufacturer Part Number: PIC16F688-I/P
• Description: 14 PIN, 7 KB FLASH, 256 RAM, 12 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F688-I/P

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 12
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 14-pin PDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F688
FIGURE 3-6:
DS41203C-page 28
HF
HFINTOSC
HFINTOSC
LFINTOSC
Note 1:
System Clock
System Clock
System Clock
IRCF <2:0>
IRCF <2:0>
IRCF <2:0>
HFINTOSC
HFINTOSC
HFINTOSC
LFINTOSC
LFINTOSC
LFINTOSC
LF
(1)
When going from LF to HF.
HFINTOSC
LFINTOSC (FSCM and WDT disabled)
LFINTOSC (Either FSCM or WDT enabled)
INTERNAL OSCILLATOR SWITCH TIMING
0
0
Start-up Time 2-cycle Sync
Start-up Time
0
0
0
2-cycle Sync
2-cycle Sync
0
LFINTOSC turns off unless WDT or FSCM is enabled
Running
© 2006 Microchip Technology Inc.
Running
Running