PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 263

• Manufacturer Part Number: PIC16F946-E/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 352 B
• Interface Type: SSP, I2C, AUSART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, MA160011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / Rohs Status: Details

INDEX
A
A/D
Absolute Maximum Ratings .............................................. 229
AC Characteristics
ACK pulse ......................................................................... 175
ADCON0 Register............................................................. 152
ADCON1 Register............................................................. 153
Addressable Universal Synchronous Asynchronous Receiver
Analog Input Connections ................................................... 96
Analog-to-Digital Converter Module. See A/D
ANSEL Register ................................................................ 152
Assembler
Asynchronous Reception
Asynchronous Transmission
B
Baud Rate Generator
BF bit................................................................................. 166
Block Diagram of RF ........................................................... 67
Block Diagrams
© 2005 Microchip Technology Inc.
Acquisition Requirements ......................................... 155
Analog Port Pins ....................................................... 150
Associated Registers ................................................ 157
Block Diagram........................................................... 149
Calculating Acquisition Time..................................... 155
Channel Selection..................................................... 150
Configuration and Operation..................................... 150
Configuring................................................................ 154
Configuring Interrupt ................................................. 154
Conversion (T
Conversion Clock...................................................... 150
Effects of Reset......................................................... 157
Internal Sampling Switch (R
Operation During Sleep ............................................ 156
Output Format........................................................... 151
Reference Voltage (V
Source Impedance.................................................... 155
Specifications............................................................ 254
Starting a Conversion ............................................... 151
T
Industrial and Extended ............................................ 239
Load Conditions ........................................................ 238
Transmitter. See USART
MPASM Assembler................................................... 223
Associated Registers ........................................ 141, 143
Associated Registers ................................................ 139
Associated Registers ................................................ 135
A/D ............................................................................ 149
Analog Input Model ............................................. 96, 156
Capture Mode ........................................................... 185
Comparator 1 .............................................................. 98
Comparator 2 .............................................................. 98
Comparator Modes ..................................................... 97
Comparator Voltage Reference (CV
Compare Mode ......................................................... 186
Fail-Safe Clock Monitor (FSCM) ................................. 81
In-Circuit Serial Programming Connections.............. 210
Interrupt Logic ........................................................... 203
LCD Clock Generation .............................................. 110
LCD Driver Module ................................................... 104
LCD Resistor Ladder Connection ............................. 108
MCLR Circuit............................................................. 194
On-Chip Reset Circuit ............................................... 193
PIC16F946.................................................................... 6
AD
vs. Operating Frequencies................................. 150
AD
) Cycles .......................................... 151
REF
)......................................... 150
SS
) Impedance.............. 155
REF
) .................. 100
Preliminary
BRGH bit .......................................................................... 135
Brown-out Reset (BOR).................................................... 195
C
C Compilers
Capture/Compare/PWM (CCP) ........................................ 183
PWM Mode............................................................... 187
RA0 Pin ...................................................................... 29
RA1 Pin ...................................................................... 30
RA2 Pin ...................................................................... 31
RA3 Pin ...................................................................... 32
RA4 Pin ...................................................................... 33
RA5 Pin ...................................................................... 34
RA6 Pin ...................................................................... 35
RA7 Pin ...................................................................... 36
RB Pins....................................................................... 41
RB4 Pin ...................................................................... 42
RB5 Pin ...................................................................... 43
RB6 Pin ...................................................................... 44
RB7 Pin ...................................................................... 45
RC0 Pin ...................................................................... 48
RC1 Pin ...................................................................... 49
RC2 Pin ...................................................................... 49
RC3 Pin ...................................................................... 50
RC4 Pin ...................................................................... 51
RC5 Pin ...................................................................... 52
RC6 Pin ...................................................................... 53
RC7 Pin ...................................................................... 54
RD Pins ...................................................................... 59
RD0 Pin ...................................................................... 58
RD1 Pin ...................................................................... 58
RD2 Pin ...................................................................... 59
RE Pins....................................................................... 63
Resonator Operation .................................................. 76
RF Pins....................................................................... 67
RG Pins ...................................................................... 70
SSP (I
SSP (SPI Mode) ....................................................... 168
System Clock.............................................................. 71
Timer1 ........................................................................ 87
Timer2 ........................................................................ 94
TMR0/WDT Prescaler ................................................ 83
USART Receive ............................................... 141, 142
USART Transmit ...................................................... 138
Watchdog Timer (WDT)............................................ 206
Associated Registers................................................ 196
Specifications ........................................................... 243
Timing and Characteristics ....................................... 242
MPLAB C17.............................................................. 224
MPLAB C18.............................................................. 224
MPLAB C30.............................................................. 224
Associated Registers
Capture Mode........................................................... 185
CCP Timer Resources.............................................. 183
Compare
Compare Mode......................................................... 186
Capture, Compare and Timer1......................... 188
PWM and Timer2.............................................. 189
Block Diagram .................................................. 185
CCP1CON Register.......................................... 184
CCP1IF............................................................. 185
Prescaler .......................................................... 185
Special Trigger Output of CCP1 ....................... 186
Special Trigger Output of CCP2 ....................... 186
2
C Mode)........................................................ 175
PIC16F946
DS41265A-page 261