PIC16F688-I/P Microchip Technology, PIC16F688-I/P Datasheet - Page 167

• Manufacturer Part Number: PIC16F688-I/P
• Description: IC PIC MCU FLASH 4KX14 14DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F688-I/P

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 14-DIP (0.300", 7.62mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SCI/USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 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
• Data Rom Size: 256 B
• Height: 3.3 mm
• Length: 19.05 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2 V
• Width: 6.35 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162066 - HEADER INTRFC MPLAB ICD2 20PINAC162061 - HEADER INTRFC MPLAB ICD2 20PINDM163029 - BOARD PICDEM FOR MECHATRONICSAC162056 - HEADER INTERFACE ICD2 16F688ACICE0207 - MPLABICE 14P 300 MIL ADAPTERAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

INDEX
A
A/D
Absolute Maximum Ratings .............................................. 135
AC Characteristics
ADCON0 Register............................................................... 66
ADCON1 Register............................................................... 66
Analog Front-end (AFE)
Analog Input Connections ................................................... 54
Analog-to-Digital Converter Module. See A/D
ANSEL Register .................................................................. 65
Assembler
Auto Wake-up on SYNC Break Character .......................... 91
B
BAUDCTL Register ............................................................. 80
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 (T
Conversion Clock........................................................ 64
Effects of Reset........................................................... 70
Internal Sampling Switch (R
Operation During Sleep .............................................. 69
Output Format............................................................. 65
Reference Voltage (V
Source Impedance...................................................... 68
Specifications............................................ 153, 154, 155
Starting a Conversion ................................................. 64
T
Industrial and Extended ............................................ 145
Load Conditions ........................................................ 144
Power-On Reset ....................................................... 103
MPASM Assembler................................................... 129
A/D .............................................................................. 63
Analog Input Model ............................................... 55, 68
Comparator 1 .............................................................. 57
Comparator 2 .............................................................. 57
Comparator Modes ..................................................... 56
Comparator Voltage Reference (CV
Fail-Safe Clock Monitor (FSCM) ................................. 28
In-Circuit Serial Programming Connections.............. 117
Interrupt Logic ........................................................... 110
MCLR Circuit............................................................. 103
On-Chip Reset Circuit ............................................... 102
PIC16F688.................................................................... 5
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................................................... 23
System Clock .............................................................. 21
Timer1......................................................................... 49
AD
vs. Operating Frequencies................................... 64
AD
) Cycles ............................................ 65
REF
)........................................... 63
SS
) Impedance................ 68
REF
) .................... 59
Preliminary
Break Character (12-bit) Transmit and Receive ................. 92
Brown-out Detect (BOD)................................................... 104
C
C Compilers
CALIB Register ................................................................. 101
Clock Accuracy with Asynchronous Operation ................... 77
CMCON0 Register.............................................................. 53
CMCON1 Register.............................................................. 58
Code Examples
Code Protection ................................................................ 117
Comparator Module ............................................................ 53
Comparator Voltage Reference (CV
Comparator Voltage Reference (CV
Comparators
CONFIG Register ............................................................. 100
Configuration Bits ..................................................... 100, 101
CPU Features ..................................................................... 99
TMR0/WDT Prescaler ................................................ 45
USART Receive ......................................................... 89
USART Transmit ........................................................ 87
Watchdog Timer (WDT)............................................ 113
Associated Registers................................................ 105
Calibration ................................................................ 104
Specifications ........................................................... 149
Timing and Characteristics ....................................... 148
MPLAB C17.............................................................. 130
MPLAB C18.............................................................. 130
MPLAB C30.............................................................. 130
A/D Conversion .......................................................... 67
Assigning Prescaler to Timer0.................................... 47
Assigning Prescaler to WDT....................................... 47
Indirect Addressing..................................................... 20
Initializing PORTA ...................................................... 31
Initializing PORTC ...................................................... 40
Saving Status and W Registers in RAM ................... 112
Ultra Low-Power Wake-up Initialization...................... 34
Associated Registers.................................................. 61
Effects of a Reset ....................................................... 60
Response Time .......................................................... 60
Accuracy/Error............................................................ 59
Configuring ................................................................. 59
Specifications ........................................................... 152
Associated Registers.................................................. 61
C2OUT as T1 Gate............................................... 50, 58
Configurations ............................................................ 56
Effects of a Reset ....................................................... 60
Interrupts .................................................................... 58
Operation.................................................................... 54
Operation During Sleep .............................................. 60
Outputs ....................................................................... 58
Response Time .......................................................... 60
Specifications ........................................................... 152
Synchronizing C2OUT w/ Timer1 ............................... 58
PIC16F688
REF
REF
)
)............................ 59
DS41203B-page 165