PIC16F648A-I/ML Microchip Technology, PIC16F648A-I/ML Datasheet - Page 177

• Manufacturer Part Number: PIC16F648A-I/ML
• Description: IC MCU FLASH 4KX14 EEPROM 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F648A-I/ML

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Controller Family/series: PIC16F
• No. Of I/o's: 16
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 256Byte
• Cpu Speed: 20MHz
• No.: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNXLT28QFN3 - SOCKET TRAN ICE 18DIP/28QFNI3DBF648 - BOARD DAUGHTER ICEPIC3AC164033 - ADAPTER 28QFN TO 18DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIR1 Register...................................................................... 26
PORTA................................................................................ 31
PORTB................................................................................ 36
PORTB Interrupt ............................................................... 108
Power Control/Status Register (PCON) ............................ 102
Power-Down Mode (Sleep) ............................................... 110
Power-On Reset (POR) .................................................... 101
Power-up Timer (PWRT) .................................................. 101
PR2 Register................................................................. 52, 58
PRO MATE II Universal Device Programmer ................... 131
Program Memory Organization ........................................... 15
PWM (CCP Module) ........................................................... 58
Q
Q-Clock ............................................................................... 59
Quick-Turnaround-Production (QTP) Devices ...................... 7
R
RC Oscillator ....................................................................... 99
RC Oscillator Mode
Reader Response ............................................................. 172
Registers
Reset................................................................................... 99
RETFIE Instruction............................................................ 124
RETLW Instruction ............................................................ 125
RETURN Instruction ......................................................... 125
Revision History ................................................................ 169
RLF Instruction.................................................................. 125
RRF Instruction ................................................................. 126
S
Serial Communication Interface (SCI) Module, See USART
Serialized Quick-Turnaround-Production (SQTP) Devices ... 7
SLEEP Instruction ............................................................. 126
Software Simulator (MPLAB SIM)..................................... 130
Software Simulator (MPLAB SIM30)................................. 130
Special Event Trigger. See Compare
Special Features of the CPU .............................................. 95
Special Function Registers ................................................. 18
Status Register ................................................................... 22
© 2005 Microchip Technology Inc.
RC6/TX/CK ........................................................... 71–87
RC7/RX/DT ........................................................... 71–87
Block Diagram............................................................. 58
CCPR1H:CCPR1L Registers...................................... 58
Duty Cycle................................................................... 59
Example Frequencies/Resolutions ............................. 59
Period.......................................................................... 58
Set-Up for PWM Operation ......................................... 59
TMR2 to PR2 Match ................................................... 58
Block Diagram............................................................. 99
CCP1CON (CCP Operation)....................................... 55
CMCON (Comparator Configuration).......................... 61
CONFIG (Configuration Word).................................... 96
EECON1 (EEPROM Control Register 1) .................... 90
INTCON (Interrupt Control)......................................... 24
Maps
OPTION_REG (Option) .............................................. 23
PCON (Power Control) ............................................... 27
PIE1 (Peripheral Interrupt Enable 1)........................... 25
PIR1 (Peripheral Interrupt Register 1) ........................ 26
Status.......................................................................... 22
T1CON Timer1 Control).............................................. 48
T2CON Timer2 Control).............................................. 53
Simplified PWM .................................................. 58
PIC16F627A ................................................. 16, 17
PIC16F628A ................................................. 16, 17
PIC16F627A/628A/648A
SUBLW Instruction ........................................................... 126
SUBWF Instruction ........................................................... 127
SWAPF Instruction ........................................................... 127
T
T1CKPS0 bit ....................................................................... 48
T1CKPS1 bit ....................................................................... 48
T1CON Register ................................................................. 48
T1OSCEN bit ...................................................................... 48
T1SYNC bit......................................................................... 48
T2CKPS0 bit ....................................................................... 53
T2CKPS1 bit ....................................................................... 53
T2CON Register ................................................................. 53
Timer0
Timer1
Timer2
Timing Diagrams
Timing Diagrams and Specifications ................................ 144
TMR0 Interrupt.................................................................. 108
TMR1CS bit ........................................................................ 48
TMR1ON bit........................................................................ 48
TMR2ON bit........................................................................ 53
TOUTPS0 bit ...................................................................... 53
TOUTPS1 bit ...................................................................... 53
TOUTPS2 bit ...................................................................... 53
TOUTPS3 bit ...................................................................... 53
TRIS Instruction ................................................................ 127
TRISA ................................................................................. 31
TRISB ................................................................................. 36
Block Diagrams
External Clock Input ................................................... 45
Interrupt ...................................................................... 45
Prescaler .................................................................... 46
Switching Prescaler Assignment ................................ 47
Timer0 Module............................................................ 45
Asynchronous Counter Mode ..................................... 50
Capacitor Selection .................................................... 51
External Clock Input ................................................... 49
External Clock Input Timing........................................ 50
Oscillator..................................................................... 51
Prescaler .............................................................. 49, 51
Resetting Timer1 ........................................................ 51
Resetting Timer1 Registers ........................................ 51
Special Event Trigger (CCP) ...................................... 57
Synchronized Counter Mode ...................................... 49
Timer Mode ................................................................ 49
TMR1H ....................................................................... 50
TMR1L........................................................................ 50
Block Diagram ............................................................ 52
Postscaler................................................................... 52
PR2 register................................................................ 52
Prescaler .............................................................. 52, 59
Timer2 Module............................................................ 52
TMR2 output ............................................................... 52
TMR2 to PR2 Match Interrupt..................................... 58
Timer0 ...................................................................... 147
Timer1 ...................................................................... 147
USART
USART Asynchronous Master Transmission ............. 78
USART Asynchronous Reception .............................. 81
USART Synchronous Reception ................................ 87
USART Synchronous Transmission ........................... 85
Timer0/WDT ....................................................... 46
Asynchronous Receiver...................................... 81
DS40044D-page 175