PIC16F1938-I/ML Microchip Technology, PIC16F1938-I/ML Datasheet - Page 407

• Manufacturer Part Number: PIC16F1938-I/ML
• Description: IC MCU 8BIT FLASH 28QFN
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1938-I/ML

• Core Size: 8-Bit
• Program Memory Size: 28KB (16K x 14)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 11x10b
• 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: 25
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 1024Byte
• Cpu Speed: 32MHz
• Package: 28QFN EP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 32 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 25
• Interface Type: I2C/SPI/USART
• On-chip Adc: 11-chx10-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INDEX
A
A/D
Absolute Maximum Ratings .............................................. 357
AC Characteristics
ACKSTAT ......................................................................... 312
ACKSTAT Status Flag ...................................................... 312
ADC .................................................................................. 133
ADCON0 Register....................................................... 38, 139
ADCON1 Register....................................................... 38, 140
ADDFSR ........................................................................... 343
ADDWFC .......................................................................... 343
ADRESH Register............................................................... 38
ADRESH Register (ADFM = 0) ......................................... 140
ADRESH Register (ADFM = 1) ......................................... 141
ADRESL Register (ADFM = 0).......................................... 141
ADRESL Register (ADFM = 1).......................................... 141
Alternate Pin Function......................................................... 86
Analog-to-Digital Converter. See ADC
ANSELA Register ............................................................... 88
ANSELB Register ............................................................... 93
ANSELD Register ............................................................... 99
ANSELE Register ............................................................. 103
APFCON Register............................................................... 86
Assembler
B
BAUDCON Register.......................................................... 226
BF ............................................................................. 312, 314
BF Status Flag .......................................................... 312, 314
Block Diagram
Block Diagrams
© 2009 Microchip Technology Inc.
Specifications............................................................ 379
Industrial and Extended ............................................ 372
Load Conditions ........................................................ 371
Acquisition Requirements ......................................... 142
Associated registers.................................................. 144
Block Diagram........................................................... 133
Calculating Acquisition Time..................................... 142
Channel Selection..................................................... 134
Configuration............................................................. 134
Configuring Interrupt ................................................. 138
Conversion Clock...................................................... 134
Conversion Procedure .............................................. 138
Internal Sampling Switch (R
Interrupts................................................................... 136
Operation .................................................................. 137
Operation During Sleep ............................................ 137
Port Configuration ..................................................... 134
Reference Voltage (V
Source Impedance.................................................... 142
Special Event Trigger................................................ 137
Starting an A/D Conversion ...................................... 136
MPASM Assembler................................................... 354
Capacitive Sensing ................................................... 179
(CCP) Capture Mode Operation ............................... 189
ADC .......................................................................... 133
ADC Transfer Function ............................................. 143
Analog Input Model ........................................... 143, 149
CCP PWM................................................................. 193
Clock Source............................................................. 109
Comparator ............................................................... 146
Compare ................................................................... 191
Crystal Operation ...................................................... 112
REF
)......................................... 134
SS
) Impedance.............. 142
Preliminary
BORCON Register.............................................................. 65
BRA .................................................................................. 344
Break Character (12-bit) Transmit and Receive ............... 235
Brown-out Reset (BOR)...................................................... 64
C
C Compilers
CALL................................................................................. 345
CALLW ............................................................................. 345
Capacitive Sensing ........................................................... 179
Capture Module. See Enhanced Capture/Compare/
Capture/Compare/PWM ................................................... 185
Capture/Compare/PWM (CCP) ........................................ 187
PIC16F193X/LF193X
Digital-to-Analog Converter (DAC) ........................... 154
EUSART Receive ..................................................... 216
EUSART Transmit .................................................... 215
External RC Mode .................................................... 113
Fail-Safe Clock Monitor (FSCM)............................... 121
Generic I/O Port.......................................................... 85
Interrupt Logic............................................................. 71
LCD Bias Voltage Generation .................................. 251
LCD Clock Generation.............................................. 250
MCLR Circuit .............................................................. 61
On-Chip Reset Circuit................................................. 59
Peripheral Interrupt Logic ........................................... 72
PIC16F193X/LF193X ................................................. 15
PWM (Enhanced) ..................................................... 197
Resonator Operation ................................................ 112
Timer0 ...................................................................... 159
Timer1 ...................................................................... 163
Timer1 Gate.............................................. 168, 169, 170
Timer2/4/6 ................................................................ 175
Voltage Reference.................................................... 157
Voltage Reference Output Buffer Example .............. 157
Specifications ........................................................... 377
Timing and Characteristics ....................................... 376
MPLAB C18.............................................................. 354
MPLAB C30.............................................................. 354
Associated registers w/ Capacitive Sensing............. 183
Specifications ........................................................... 388
PWM(ECCP)
Associated Registers w/ Capture ............................. 190
Associated Registers w/ Compare ........................... 192
Associated Registers w/ PWM ................................. 213
Capture Mode........................................................... 189
CCPx Pin Configuration............................................ 189
Clock Selection......................................................... 187
Compare Mode......................................................... 191
Prescaler .................................................................. 189
PWM Mode............................................................... 193
CCPx Pin Configuration.................................... 191
Software Interrupt Mode ........................... 189, 191
Special Event Trigger ....................................... 191
Timer1 Mode Selection............................. 189, 191
Duty Cycle ........................................................ 194
Effects of Reset ................................................ 196
Example PWM Frequencies and
Example PWM Frequencies and
Example PWM Frequencies and
Operation in Sleep Mode.................................. 196
Resolution ........................................................ 195
Resolutions, 20 MHZ ................................ 195
Resolutions, 32 MHZ ................................ 195
Resolutions, 8 MHz .................................. 195
DS41364C-page 407