PIC16F684-E/P Microchip Technology, PIC16F684-E/P Datasheet - Page 157

• Manufacturer Part Number: PIC16F684-E/P
• Description: IC PIC MCU FLASH 2KX14 14DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F684-E/P

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 14-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Eeprom Size: 256 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DM163029 - BOARD PICDEM FOR MECHATRONICSACICE0207 - MPLABICE 14P 300 MIL ADAPTER
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

INDEX
A
A/D ...................................................................................... 63
Absolute Maximum Ratings .............................................. 127
AC Characteristics
ADCON0 Register............................................................... 66
ADCON1 Register............................................................... 66
Analog Front-end (AFE)
Analog Input Connection Considerations............................ 56
Analog-to-Digital Converter. See A/D
ANSEL Register .................................................................. 65
Assembler
B
Block Diagrams
 2004 Microchip Technology Inc.
Acquisition Requirements ........................................... 68
Analog Port Pins ......................................................... 63
Associated Registers .................................................. 70
Block Diagram............................................................. 63
Calculating Acquisition Time....................................... 68
Channel Selection....................................................... 63
Configuration and Operation....................................... 63
Configuring.................................................................. 67
Configuring Interrupt ................................................... 67
Conversion Clock........................................................ 64
Effects of a Reset........................................................ 69
Internal Sampling Switch (R
Operation During Sleep .............................................. 69
Output Format............................................................. 65
Reference Voltage (V
Source Impedance...................................................... 68
Special Event Trigger.................................................. 69
Specifications............................................ 144, 145, 146
Starting a Conversion ................................................. 64
Using the ECCP Trigger ............................................. 69
Industrial and Extended ............................................ 137
Load Conditions ........................................................ 136
Power-On Reset ......................................................... 95
MPASM Assembler................................................... 121
A/D .............................................................................. 63
Analog Input Model ............................................... 56, 68
Capture Mode Operation ............................................ 76
Comparator 1 .............................................................. 58
Comparator 2 .............................................................. 58
Comparator Modes ..................................................... 57
Comparator Voltage Reference (CV
Compare ..................................................................... 77
Fail-Safe Clock Monitor (FSCM) ................................. 27
In-Circuit Serial Programming Connections.............. 109
Interrupt Logic ........................................................... 102
MCLR Circuit............................................................... 95
On-Chip Reset Circuit ................................................. 94
PIC16F684.................................................................... 5
PWM (Enhanced)........................................................ 78
RA0 Pins ..................................................................... 35
RA1 Pins ..................................................................... 36
RA2 Pin....................................................................... 37
RA3 Pin....................................................................... 37
RA4 Pin....................................................................... 38
RA5 Pin....................................................................... 38
RC0 and RC1 Pins...................................................... 40
RC2 and RC3 Pins...................................................... 41
RC4 Pin....................................................................... 41
RC5 Pin....................................................................... 42
Resonator Operation................................................... 21
REF
)........................................... 63
SS
) Impedance................ 68
REF
) .................... 60
Preliminary
Brown-out Detect (BOD)..................................................... 96
C
C Compilers
CALIB Register ................................................................... 93
Calibration Bits.................................................................... 93
Capture Module. See Enhanced
CCP1CON Register............................................................ 75
CCPR1H Register............................................................... 75
CCPR1L Register ............................................................... 75
CMCON0 Register.............................................................. 55
CMCON1 Register.............................................................. 59
Code Examples
Code Protection ................................................................ 108
Comparator Voltage Reference (CV
Comparators ....................................................................... 55
Compare Module. See Enhanced
CONFIG Register ............................................................... 92
Configuration Bits ............................................................... 92
CPU Features ..................................................................... 91
System Clock.............................................................. 19
Timer1 ........................................................................ 49
Timer2 ........................................................................ 54
TMR0/WDT Prescaler ................................................ 45
Watchdog Timer (WDT)............................................ 105
Associated .................................................................. 97
Calibration .................................................................. 96
Specifications ........................................................... 141
Timing and Characteristics ....................................... 140
MPLAB C17.............................................................. 122
MPLAB C18.............................................................. 122
MPLAB C30.............................................................. 122
Capture/Compare/PWM (ECCP)
Assigning Prescaler to Timer0.................................... 47
Assigning Prescaler to WDT....................................... 47
Changing Between Capture Prescalers ..................... 76
Data EEPROM Read.................................................. 73
Data EEPROM Write .................................................. 73
Indirect Addressing..................................................... 17
Initializing A/D............................................................. 67
Initializing PORTA ...................................................... 31
Initializing PORTC ...................................................... 40
Saving Status and W Registers in RAM ................... 104
Ultra Low-Power Wake-up Initialization...................... 34
Write Verify ................................................................. 73
Accuracy/Error............................................................ 60
Associated registers ................................................... 62
Configuring ................................................................. 60
Effects of a Reset ....................................................... 61
Response Time .......................................................... 61
Specifications ........................................................... 144
Associated Registers.................................................. 62
C2OUT as T1 Gate............................................... 50, 59
Configurations ............................................................ 57
Effects of a Reset ....................................................... 61
Interrupts .................................................................... 59
Operation.................................................................... 56
Operation During Sleep .............................................. 61
Outputs ....................................................................... 59
Response Time .......................................................... 61
Specifications ........................................................... 143
Synchronizing C2OUT w/ Timer1 ............................... 59
Capture/Compare/PWM (ECCP)
PIC16F684
REF
)............................ 60
DS41202C-page 155