PIC16F1947-I/PT Microchip Technology Inc., PIC16F1947-I/PT Datasheet - Page 437

• Manufacturer Part Number: PIC16F1947-I/PT
• Description: 64 TQFP 10x10x1mm TRAY28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F1947-I/PT

• A/d Inputs: 17-Channel, 10-Bit
• Comparators: 3
• Cpu Speed: 8 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 54
• Interface: CAN/I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 28K Bytes
• Ram Size: 1K Bytes
• Speed: 32 MHz
• Timers: 4-8-bit, 1-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

INDEX
A
A/D
Absolute Maximum Ratings (PIC16F/LF1946/47) ............ 389
AC Characteristics
ACKSTAT ......................................................................... 278
ACKSTAT Status Flag ...................................................... 278
ADC .................................................................................. 159
ADCON0 Register....................................................... 34, 166
ADCON1 Register....................................................... 34, 167
ADDFSR ........................................................................... 379
ADDWFC .......................................................................... 379
ADRESH Register............................................................... 34
ADRESH Register (ADFM = 0) ......................................... 168
ADRESH Register (ADFM = 1) ......................................... 169
ADRESL Register (ADFM = 0).......................................... 168
ADRESL Register (ADFM = 1).......................................... 169
Alternate Pin Function....................................................... 125
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................. 129
ANSELE Register ............................................................. 141
ANSELF Register.............................................................. 145
APFCON Register............................................................. 126
Assembler
Automatic Context Saving................................................... 92
B
BAUDCON Register.......................................................... 308
BF ............................................................................. 278, 280
BF Status Flag .......................................................... 278, 280
Block Diagram
Block Diagrams
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Specifications............................................................ 412
Industrial and Extended ............................................ 405
Load Conditions ........................................................ 404
Acquisition Requirements ......................................... 170
Associated registers.................................................. 172
Block Diagram........................................................... 160
Calculating Acquisition Time..................................... 170
Channel Selection..................................................... 161
Configuration............................................................. 161
Configuring Interrupt ................................................. 165
Conversion Clock...................................................... 161
Conversion Procedure .............................................. 165
Internal Sampling Switch (R
Interrupts................................................................... 163
Operation .................................................................. 164
Operation During Sleep ............................................ 164
Port Configuration ..................................................... 161
Reference Voltage (V
Source Impedance.................................................... 170
Special Event Trigger................................................ 164
Starting an A/D Conversion ...................................... 163
MPASM Assembler................................................... 426
Capacitive Sensing ........................................... 325, 326
(CCP) Capture Mode Operation ............................... 214
ADC .......................................................................... 160
ADC Transfer Function ............................................. 171
Analog Input Model ........................................... 171, 182
CCP PWM................................................................. 218
Clock Source............................................................... 62
Comparator ............................................................... 178
Compare ................................................................... 216
Crystal Operation .................................................. 64, 65
REF
)......................................... 161
SS
) Impedance.............. 170
Preliminary
BORCON Register.............................................................. 81
BRA .................................................................................. 380
Break Character (12-bit) Transmit and Receive ............... 316
Brown-out Reset (BOR)...................................................... 81
C
C Compilers
CALL................................................................................. 381
CALLW ............................................................................. 381
Capacitive Sensing ........................................................... 325
Capture Module. See Enhanced Capture/Compare/
Capture/Compare/PWM ................................................... 213
Capture/Compare/PWM (CCP)
Digital-to-Analog Converter (DAC) ........................... 174
EUSART Receive ..................................................... 298
EUSART Transmit .................................................... 297
External RC Mode ...................................................... 65
Fail-Safe Clock Monitor (FSCM)................................. 73
Generic I/O Port........................................................ 125
Interrupt Logic............................................................. 87
LCD Bias Voltage Generation .................................. 343
LCD Clock Generation.............................................. 342
On-Chip Reset Circuit................................................. 79
Peripheral Interrupt Logic ........................................... 88
PIC16F/LF1946/47 ............................................... 12, 20
PWM (Enhanced) ..................................................... 222
Resonator Operation .................................................. 64
Timer0 ...................................................................... 193
Timer1 ...................................................................... 197
Timer1 Gate.............................................. 202, 203, 204
Timer2/4/6 ................................................................ 209
Voltage Reference.................................................... 155
Voltage Reference Output Buffer Example .............. 174
Specifications ........................................................... 410
Timing and Characteristics ....................................... 409
MPLAB C18.............................................................. 426
Associated registers w/ Capacitive Sensing............. 333
Specifications ........................................................... 421
PWM(ECCP)
Associated Registers w/ Capture ............................. 215
Associated Registers w/ Compare ........................... 217
Associated Registers w/ PWM ......................... 221, 235
Capture Mode........................................................... 214
CCPx Pin Configuration............................................ 214
Compare Mode......................................................... 216
Prescaler .................................................................. 214
PWM Mode
PWM Operation ........................................................ 218
PWM Overview......................................................... 218
PIC16F/LF1946/47
CCPx Pin Configuration.................................... 216
Software Interrupt Mode ........................... 214, 216
Special Event Trigger ....................................... 216
Timer1 Mode Resource ............................ 214, 216
Duty Cycle ........................................................ 219
Effects of Reset ................................................ 221
Example PWM Frequencies and
Example PWM Frequencies and
Example PWM Frequencies and
Operation in Sleep Mode.................................. 221
Resolution ........................................................ 220
System Clock Frequency Changes .................. 221
Resolutions, 20 MHZ ................................ 220
Resolutions, 32 MHZ ................................ 220
Resolutions, 8 MHz .................................. 220
DS41414B-page 437