PIC16F688-I/P Microchip Technology Inc., PIC16F688-I/P Datasheet - Page 195

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PIC16F688-I/P

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

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

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INDEX
A
A/D
Absolute Maximum Ratings .............................................. 143
AC Characteristics
ADC .................................................................................... 65
ADCON0 Register............................................................... 71
ADCON1 Register............................................................... 71
ADRESH Register (ADFM = 0) ........................................... 72
ADRESH Register (ADFM = 1) ........................................... 72
ADRESL Register (ADFM = 0)............................................ 72
ADRESL Register (ADFM = 1)............................................ 72
Analog Front-end (AFE)
Analog Input Connection Considerations............................ 55
Analog-to-Digital Converter. See ADC
ANSEL Register .................................................................. 34
Assembler
B
BAUDCTL Register ............................................................. 94
Block Diagrams
© 2006 Microchip Technology Inc.
Specifications.................................................... 160, 161
Industrial and Extended ............................................ 153
Load Conditions ........................................................ 152
Acquisition Requirements ........................................... 73
Associated registers.................................................... 75
Block Diagram............................................................. 65
Calculating Acquisition Time....................................... 73
Channel Selection....................................................... 66
Configuration............................................................... 66
Configuring Interrupt ................................................... 69
Conversion Clock........................................................ 66
Conversion Procedure ................................................ 69
Internal Sampling Switch (R
Interrupts..................................................................... 68
Operation .................................................................... 69
Operation During Sleep .............................................. 69
Port Configuration ....................................................... 66
Reference Voltage (V
Result Formatting........................................................ 68
Source Impedance...................................................... 73
Starting an A/D Conversion ........................................ 68
Power-On Reset ....................................................... 113
MPASM Assembler................................................... 140
ADC ............................................................................ 65
ADC Transfer Function ............................................... 74
Analog Input Model ............................................... 55, 74
Clock Source............................................................... 21
Comparator 1 .............................................................. 54
Comparator 2 .............................................................. 54
Comparator Modes ..................................................... 57
Crystal Operation ........................................................ 24
EUSART Receive ....................................................... 84
EUSART Transmit ...................................................... 83
External RC Mode....................................................... 25
Fail-Safe Clock Monitor (FSCM) ................................. 31
In-Circuit Serial Programming Connections.............. 127
Interrupt Logic ........................................................... 120
MCLR Circuit............................................................. 113
On-Chip Reset Circuit ............................................... 112
PIC16F688.................................................................... 5
RA1 Pins ..................................................................... 38
RA2 Pin....................................................................... 38
RA3 Pin....................................................................... 39
RA4 Pin....................................................................... 39
REF
)........................................... 66
SS
) Impedance................ 73
Break Character (12-bit) Transmit and Receive ............... 101
Brown-out Reset (BOR).................................................... 114
C
C Compilers
Clock Accuracy with Asynchronous Operation ................... 92
Clock Sources
Clock Switching .................................................................. 29
CMCON0 Register.............................................................. 61
CMCON1 Register.............................................................. 62
Code Examples
Code Protection ................................................................ 126
Comparator......................................................................... 53
Comparator Module
Comparator Voltage Reference (CV
Comparator Voltage Reference (CV
Comparators
RA5 Pin ...................................................................... 40
RC0 and RC1 Pins ..................................................... 43
RC2 and RC3 Pins ..................................................... 43
RC4 Pin ...................................................................... 44
RC5 Pin ...................................................................... 44
Resonator Operation .................................................. 24
Timer1 ........................................................................ 48
TMR0/WDT Prescaler ................................................ 45
Watchdog Timer (WDT)............................................ 123
Associated ................................................................ 115
Specifications ........................................................... 157
Timing and Characteristics ....................................... 156
MPLAB C18.............................................................. 140
MPLAB C30.............................................................. 140
External Modes........................................................... 23
Internal Modes............................................................ 25
A/D Conversion .......................................................... 70
Assigning Prescaler to Timer0.................................... 46
Assigning Prescaler to WDT....................................... 46
Indirect Addressing..................................................... 20
Initializing PORTA ...................................................... 33
Initializing PORTC ...................................................... 42
Saving Status and W Registers in RAM ................... 122
Ultra Low-Power Wake-up Initialization...................... 36
C2OUT as T1 Gate..................................................... 62
Configurations ............................................................ 56
Interrupts .................................................................... 59
Operation.............................................................. 53, 58
Operation During Sleep .............................................. 60
Response Time .......................................................... 59
Synchronizing COUT w/Timer1 .................................. 62
Associated registers ................................................... 64
Response Time .......................................................... 59
Effects of a Reset ....................................................... 60
Specifications ........................................................... 159
C2OUT as T1 Gate..................................................... 49
EC ...................................................................... 23
HS ...................................................................... 24
LP ....................................................................... 24
OST .................................................................... 23
RC ...................................................................... 25
XT ....................................................................... 24
Frequency Selection........................................... 27
HFINTOSC ......................................................... 25
INTOSC .............................................................. 25
INTOSCIO .......................................................... 25
LFINTOSC.......................................................... 27
PIC16F688
REF
REF
)
)............................ 63
DS41203C-page 193

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