PIC16F648A-I/ML Microchip Technology, PIC16F648A-I/ML Datasheet - Page 175

• 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

INDEX
A
A/D
Absolute Maximum Ratings .............................................. 135
ADDLW Instruction ........................................................... 117
ADDWF Instruction ........................................................... 117
ANDLW Instruction ........................................................... 117
ANDWF Instruction ........................................................... 117
Architectural Overview .......................................................... 9
Assembler
B
Baud Rate Error .................................................................. 73
Baud Rate Formula ............................................................. 73
BCF Instruction ................................................................. 118
Block Diagrams
BRGH bit ............................................................................. 73
Brown-Out Reset (BOR) ................................................... 101
BSF Instruction ................................................................. 118
BTFSC Instruction............................................................. 118
BTFSS Instruction ............................................................. 119
C
C Compilers
CALL Instruction ............................................................... 119
Capture (CCP Module) ....................................................... 56
Capture/Compare/PWM (CCP)........................................... 55
CCP1CON Register ............................................................ 55
© 2005 Microchip Technology Inc.
Special Event Trigger (CCP)....................................... 57
MPASM Assembler................................................... 129
Comparator
I/O Ports
RC Oscillator Mode..................................................... 99
USART Receive.......................................................... 80
USART Transmit......................................................... 78
MPLAB C17 .............................................................. 130
MPLAB C18 .............................................................. 130
MPLAB C30 .............................................................. 130
Block Diagram............................................................. 56
CCP Pin Configuration................................................ 56
CCPR1H:CCPR1L Registers...................................... 56
Changing Between Capture Prescalers...................... 56
Prescaler..................................................................... 56
Software Interrupt ....................................................... 56
Timer1 Mode Selection ............................................... 56
Capture Mode. See Capture
CCP1 .......................................................................... 55
CCP2 .......................................................................... 55
Compare Mode. See Compare
PWM Mode. See PWM
Timer Resources......................................................... 55
CCP1M Bits ................................................................ 55
CCP1X:CCP1Y Bits .................................................... 55
I/O Operating Modes .......................................... 62
Modified Comparator Output .............................. 64
RB0/INT Pin ........................................................ 36
RB1/RX/DT Pin ................................................... 37
RB2/TX/CK Pin ................................................... 37
RB3/CCP1 Pin .................................................... 38
RB4/PGM Pin ..................................................... 39
RB5 Pin............................................................... 40
RB6/T1OSO/T1CKI Pin ...................................... 41
RB7/T1OSI Pin ................................................... 42
CCPR1H Register............................................... 55
CCPR1L Register ............................................... 55
PIC16F627A/628A/648A
CCP2CON Register
Clocking Scheme/Instruction Cycle .................................... 13
CLRF Instruction............................................................... 119
CLRW Instruction.............................................................. 120
CLRWDT Instruction......................................................... 120
CMCON Register................................................................ 61
Code Examples
Code Protection ................................................................ 111
COMF Instruction.............................................................. 120
Comparator
Compare (CCP Module) ..................................................... 56
CONFIG Register ............................................................... 96
Configuration Bits ............................................................... 95
Crystal Operation................................................................ 97
Customer Change Notification Service............................. 171
Customer Notification Service .......................................... 171
Customer Support............................................................. 171
D
Data EEPROM Memory...................................................... 89
Data Memory Organization................................................. 15
DECF Instruction .............................................................. 120
DECFSZ Instruction.......................................................... 121
Demonstration Boards
Development Support ....................................................... 129
Device Differences............................................................ 169
Device Migrations ............................................................. 170
Dual-speed Oscillator Modes.............................................. 99
CCP2M<3:2> Bits....................................................... 55
CCP2X:CCP2Y Bits.................................................... 55
Data EEPROM Refresh Routine ................................ 92
Block Diagrams
Comparator Module.................................................... 61
Configuration .............................................................. 62
Interrupts .................................................................... 65
Operation.................................................................... 63
Reference ................................................................... 63
Block Diagram ............................................................ 56
CCP Pin Configuration ............................................... 57
CCPR1H:CCPR1L Registers ..................................... 56
Software Interrupt ....................................................... 57
Special Event Trigger ................................................. 57
Timer1 Mode Selection............................................... 57
EECON1 Register ...................................................... 89
EECON2 Register ...................................................... 89
Operation During Code Protection ............................. 93
Reading ...................................................................... 91
Spurious Write Protection........................................... 91
Using .......................................................................... 92
Write Verify ................................................................. 91
Writing to .................................................................... 91
PICDEM 1................................................................. 132
PICDEM 17............................................................... 133
PICDEM 18R ............................................................ 133
PICDEM 2 Plus......................................................... 132
PICDEM 3................................................................. 132
PICDEM 4................................................................. 132
PICDEM LIN ............................................................. 133
PICDEM USB ........................................................... 133
PICDEM.net Internet/Ethernet .................................. 132
I/O Operating Modes .......................................... 62
Modified Comparator Output .............................. 64
DS40044D-page 173