PIC12F635ESS datasheet(231/234 Pages) MICROCHIP

231 / 234 page

DS41232D-page 229

PIC12F635/PIC16F636/639

Internal Oscillator Block

INTOSC

Specifications............................................ 180, 181

Internet Address................................................................ 223

Interrupts ........................................................................... 139

Associated Registers ................................................ 141

Comparator ................................................................. 77

Context Saving.......................................................... 142

Data EEPROM Memory Write .................................... 92

Interrupt-on-Change.................................................... 50

PORTA Interrupt-on-change ..................................... 140

RA2/INT .................................................................... 139

Timer0....................................................................... 140

TMR1 .......................................................................... 67

INTOSC Specifications ............................................. 180, 181

IOCA Register ..................................................................... 50

KEELOQ ............................................................................... 95

Load Conditions ................................................................ 178

MCLR ................................................................................ 132

Internal ...................................................................... 132

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

Data ............................................................................ 17

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

Program ...................................................................... 17

Microchip Internet Web Site .............................................. 223

MPLAB ASM30 Assembler, Linker, Librarian ................... 160

MPLAB ICD 2 In-Circuit Debugger ................................... 161

MPLAB ICE 2000 High-Performance Universal

In-Circuit Emulator .................................................... 161

MPLAB Integrated Development Environment Software .. 159

MPLAB PM3 Device Programmer .................................... 161

MPLAB REAL ICE In-Circuit Emulator System................. 161

MPLINK Object Linker/MPLIB Object Librarian ................ 160

OPCODE Field Descriptions ............................................. 149

OPTION Register ................................................................ 27

OPTION_REG Register ...................................................... 63

OSCCON Register .............................................................. 36

Oscillator

Associated registers.............................................. 46, 69

Oscillator Module ................................................................ 35

EC ............................................................................... 35

HFINTOSC.................................................................. 35

HS ............................................................................... 35

INTOSC ...................................................................... 35

INTOSCIO................................................................... 35

LFINTOSC .................................................................. 35

LP................................................................................ 35

RC............................................................................... 35

RCIO ........................................................................... 35

XT ............................................................................... 35

Oscillator Parameters ....................................................... 180

Oscillator Specifications .................................................... 179

Oscillator Start-up Timer (OST)

Specifications............................................................ 183

Oscillator Switching

Fail-Safe Clock Monitor............................................... 45

Two-Speed Clock Start-up.......................................... 43

OSCTUNE Register ............................................................ 40

Packaging ......................................................................... 211

Details....................................................................... 213

Marking..................................................................... 211

PCL and PCLATH............................................................... 32

Stack........................................................................... 32

PCON Register ................................................................... 31

PICSTART Plus Development Programmer..................... 162

PIE1 Register ..................................................................... 29

Pin Diagrams ............................................................ 3, 4, 5, 6

Pinout Descriptions

PIC12F635 ................................................................. 12

PIC16F636 ................................................................. 13

PIC16F639 ................................................................. 14

PIR1 Register ..................................................................... 30

PLVD

Associated Registers.................................................. 89

PORTA ............................................................................... 47

Additional Pin Functions ............................................. 47

Interrupt-on-Change ........................................... 50

Ultra Low-Power Wake-up............................ 47, 51

Weak Pull-down.................................................. 47

Weak Pull-up ...................................................... 47

Associated Registers.................................................. 56

Pin Descriptions and Diagrams .................................. 52

RA0/C1IN+/ICSPDAT/ULPWU Pin............................. 52

RA1/C1IN-/Vref/ICSPCLK Pin .................................... 53

RA2/T0CKI/INT/C1OUT Pin ....................................... 53

RA3/MCLR/VPP PIN .................................................... 54

RA4/T1G/OSC2/CLKOUT Pin .................................... 55

RA5/T1CKI/OSC1/CLKIN Pin ..................................... 55

Specifications ........................................................... 181

PORTA Register ................................................................. 48

PORTC ............................................................................... 57

Associated Registers.................................................. 59

RC0/C2IN+ Pin ........................................................... 58

RC2 Pin ...................................................................... 58

RC3 Pin ...................................................................... 58

RC4/C2OUT Pin ......................................................... 59

RC5 Pin ...................................................................... 58

Specifications ........................................................... 181

PORTC Register................................................................. 57

Power Control (PCON) Register....................................... 135

Power-Down Mode (Sleep)............................................... 145

Power-on Reset ................................................................ 132

Power-up Timer (PWRT) .................................................. 132

Specifications ........................................................... 183

Precision Internal Oscillator Parameters .......................... 181

Prescaler

Shared WDT/Timer0................................................... 62

Switching Prescaler Assignment ................................ 62

Product Identification ........................................................ 231

Program Memory ................................................................ 17

Program Memory Map and Stack

PIC12F635 ................................................................. 17

PIC16F636/639 .......................................................... 17

Programmable Low-Voltage Detect (PLVD) Module .......... 87

Programming, Device Instructions.................................... 149

Reader Response............................................................. 224

Read-Modify-Write Operations ......................................... 149

Registers

Analog Front-End (AFE)

AFE STATUS Register 7 .................................. 127

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