PIC16F684T-E/ST Microchip Technology, PIC16F684T-E/ST Datasheet - Page 183

• Manufacturer Part Number: PIC16F684T-E/ST
• Description: IC PIC MCU FLASH 2KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F684T-E/ST

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• 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
• Package / Case: 14-TSSOP
• For Use With: XLT14SS-1 - SOCKET TRANSITION 14DIP/14SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Connectivity: -

INDEX
A
A/D
Absolute Maximum Ratings .............................................. 129
AC Characteristics
ADC .................................................................................... 65
ADCON0 Register............................................................... 70
ADCON1 Register............................................................... 70
ADRESH Register (ADFM = 0) ........................................... 71
ADRESH Register (ADFM = 1) ........................................... 71
ADRESL Register (ADFM = 0)............................................ 71
ADRESL Register (ADFM = 1)............................................ 71
Analog Input Connection Considerations............................ 57
Analog-to-Digital Converter. See ADC
ANSEL Register .................................................................. 32
Assembler
B
Block Diagrams
© 2007 Microchip Technology Inc.
Specifications.................................................... 147, 148
Industrial and Extended ............................................ 139
Load Conditions ........................................................ 138
Acquisition Requirements ........................................... 72
Associated registers.................................................... 74
Block Diagram............................................................. 65
Calculating Acquisition Time....................................... 72
Channel Selection....................................................... 66
Configuration............................................................... 66
Configuring Interrupt ................................................... 68
Conversion Clock........................................................ 66
Conversion Procedure ................................................ 68
Internal Sampling Switch (R
Interrupts..................................................................... 67
Operation .................................................................... 68
Operation During Sleep .............................................. 68
Port Configuration ....................................................... 66
Reference Voltage (V
Result Formatting........................................................ 67
Source Impedance...................................................... 72
Special Event Trigger.................................................. 68
Starting an A/D Conversion ........................................ 67
MPASM Assembler................................................... 126
(CCP) Capture Mode Operation ................................. 80
ADC ............................................................................ 65
ADC Transfer Function ............................................... 73
Analog Input Model ............................................... 57, 73
CCP PWM................................................................... 82
Clock Source............................................................... 19
Comparator 1 .............................................................. 56
Comparator 2 .............................................................. 56
Comparator Modes ..................................................... 58
Compare ..................................................................... 81
Crystal Operation ........................................................ 22
External RC Mode....................................................... 23
Fail-Safe Clock Monitor (FSCM) ................................. 29
In-Circuit Serial Programming Connections.............. 114
Interrupt Logic ........................................................... 107
MCLR Circuit............................................................. 100
On-Chip Reset Circuit ................................................. 99
PIC16F684.................................................................... 5
PWM (Enhanced)........................................................ 85
RA0 Pins ..................................................................... 35
RA1 Pins ..................................................................... 36
RA2 Pin....................................................................... 36
RA3 Pin....................................................................... 37
REF
)........................................... 66
SS
) Impedance................ 72
Brown-out Reset (BOR).................................................... 101
C
C Compilers
Calibration Bits.................................................................... 99
Capture Module. See Enhanced Capture/
Capture/Compare/PWM (CCP)
CCP1CON (Enhanced) Register ........................................ 79
Clock Sources
Clock Switching .................................................................. 27
CMCON0 Register.............................................................. 61
RA4 Pin ...................................................................... 37
RA5 Pin ...................................................................... 38
RC0 and RC1 Pins ..................................................... 41
RC2 and RC3 Pins ..................................................... 41
RC4 Pin ...................................................................... 42
RC5 Pin ...................................................................... 42
Resonator Operation .................................................. 22
Timer1 ........................................................................ 47
Timer2 ........................................................................ 53
TMR0/WDT Prescaler ................................................ 43
Watchdog Timer (WDT)............................................ 110
Associated ................................................................ 102
Calibration ................................................................ 101
Specifications ........................................................... 143
Timing and Characteristics ....................................... 142
MPLAB C18.............................................................. 126
MPLAB C30.............................................................. 126
Compare/PWM (ECCP)
Associated registers w/ Capture/Compare/PWM ....... 96
Capture Mode............................................................. 80
CCP1 Pin Configuration ............................................. 80
Compare Mode........................................................... 81
Prescaler .................................................................... 80
PWM Mode................................................................. 82
PWM Period ............................................................... 83
Setup for PWM Operation .......................................... 84
External Modes........................................................... 21
Internal Modes............................................................ 23
CCP1 Pin Configuration ..................................... 81
Software Interrupt Mode ............................... 80, 81
Special Event Trigger ......................................... 81
Timer1 Mode Selection................................. 80, 81
Duty Cycle .......................................................... 83
Effects of Reset .................................................. 84
Example PWM Frequencies and
Example PWM Frequencies and
Operation in Sleep Mode.................................... 84
Setup for Operation ............................................ 84
System Clock Frequency Changes .................... 84
EC ...................................................................... 21
HS ...................................................................... 22
LP ....................................................................... 22
OST .................................................................... 21
RC ...................................................................... 23
XT ....................................................................... 22
Frequency Selection........................................... 25
HFINTOSC ......................................................... 23
HFINTOSC/LFINTOSC Switch Timing ............... 25
INTOSC .............................................................. 23
INTOSCIO .......................................................... 23
LFINTOSC.......................................................... 25
Resolutions, 20 MHZ .................................. 83
Resolutions, 8 MHz .................................... 83
PIC16F684
DS41202F-page 181