16F648 datasheet(175/180 Pages) MICROCHIP

175 / 180 page

DS40044G-page 175

PIC16F627A/628A/648A

INDEX

A/D

Special Event Trigger (CCP)....................................... 59

Absolute Maximum Ratings .............................................. 135

ADDLW Instruction ........................................................... 119

ADDWF Instruction ........................................................... 119

ANDLW Instruction ........................................................... 119

ANDWF Instruction ........................................................... 119

Architectural Overview ........................................................ 11

Assembler

MPASM Assembler................................................... 132

Baud Rate Error .................................................................. 75

Baud Rate Formula ............................................................. 75

BCF Instruction ................................................................. 120

Block Diagrams

Comparator

I/O Operating Modes .......................................... 64

Modified Comparator Output .............................. 66

I/O Ports

RB0/INT Pin........................................................ 38

RB1/RX/DT Pin................................................... 39

RB2/TX/CK Pin ................................................... 39

RB3/CCP1 Pin .................................................... 40

RB4/PGM Pin ..................................................... 41

RB5 Pin............................................................... 42

RB6/T1OSO/T1CKI Pin ...................................... 43

RB7/T1OSI Pin ................................................... 44

RC Oscillator Mode................................................... 101

USART Receive.......................................................... 82

USART Transmit......................................................... 80

BRGH bit............................................................................. 75

Brown-Out Reset (BOR) ................................................... 103

BSF Instruction ................................................................. 120

BTFSC Instruction............................................................. 120

BTFSS Instruction............................................................. 121

C Compilers

MPLAB C18 .............................................................. 132

CALL Instruction ............................................................... 121

Capture (CCP Module) ....................................................... 58

Block Diagram............................................................. 58

CCP Pin Configuration................................................ 58

CCPR1H:CCPR1L Registers...................................... 58

Changing Between Capture Prescalers...................... 58

Prescaler..................................................................... 58

Software Interrupt ....................................................... 58

Timer1 Mode Selection ............................................... 58

Capture/Compare/PWM (CCP)........................................... 57

Capture Mode. See Capture

CCP1 .......................................................................... 57

CCPR1H Register............................................... 57

CCPR1L Register ............................................... 57

CCP2 .......................................................................... 57

Compare Mode. See Compare

PWM Mode. See PWM

Timer Resources......................................................... 57

CCP1CON Register ............................................................ 57

CCP1M Bits ................................................................ 57

CCP1X:CCP1Y Bits .................................................... 57

CCP2CON Register

CCP2M<3:2> Bits ....................................................... 57

CCP2X:CCP2Y Bits.................................................... 57

Clocking Scheme/Instruction Cycle .................................... 15

CLRF Instruction............................................................... 121

CLRW Instruction.............................................................. 122

CLRWDT Instruction......................................................... 122

CMCON Register................................................................ 63

Code Examples

Data EEPROM Refresh Routine ................................ 94

Code Protection................................................................ 113

COMF Instruction.............................................................. 122

Comparator

Block Diagrams

I/O Operating Modes .......................................... 64

Modified Comparator Output .............................. 66

Comparator Module.................................................... 63

Configuration .............................................................. 64

Interrupts .................................................................... 67

Operation.................................................................... 65

Reference ................................................................... 65

Compare (CCP Module) ..................................................... 58

Block Diagram ............................................................ 58

CCP Pin Configuration ............................................... 59

CCPR1H:CCPR1L Registers ..................................... 58

Software Interrupt ....................................................... 59

Special Event Trigger ................................................. 59

Timer1 Mode Selection............................................... 59

CONFIG Register ............................................................... 98

Configuration Bits ............................................................... 97

Crystal Operation................................................................ 99

Customer Change Notification Service............................. 173

Customer Notification Service .......................................... 173

Customer Support............................................................. 173

Data EEPROM Memory...................................................... 91

EECON1 Register ...................................................... 91

EECON2 Register ...................................................... 91

Operation During Code Protection ............................. 95

Reading ...................................................................... 93

Spurious Write Protection........................................... 93

Using .......................................................................... 94

Write Verify ................................................................. 93

Writing to .................................................................... 93

Data Memory Organization................................................. 17

DECF Instruction .............................................................. 122

DECFSZ Instruction.......................................................... 123

Development Support ....................................................... 131

Device Differences............................................................ 171

Device Migrations ............................................................. 172

Dual-speed Oscillator Modes............................................ 101

EECON1 Register............................................................... 92

EECON1 register ................................................................ 92

EECON2 register ................................................................ 92

Errata .................................................................................... 5

External Crystal Oscillator Circuit ..................................... 100

Fuses. See Configuration Bits

General-Purpose Register File ........................................... 17

GOTO Instruction.............................................................. 123

16F648 Datasheet(PDF) 175 Page - Microchip Technology

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