PIC16F877A-I/PT Microchip Technology Inc., PIC16F877A-I/PT Datasheet - Page 201

• Manufacturer Part Number: PIC16F877A-I/PT
• Description: 44 PIN, 7 KB FLASH, 368 RAM, 33 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F877A-I/PT

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 33
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 14K Bytes
• Ram Size: 368 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

INDEX
A
A/D ................................................................................... 111
Absolute Maximum Ratings ............................................. 149
ACK .................................................................................... 74
Acknowledge Data bit ........................................................ 68
Acknowledge Pulse ............................................................ 74
Acknowledge Sequence Enable bit .................................... 68
Acknowledge Status bit ...................................................... 68
ADRES Register ........................................................ 15, 111
Analog Port Pins. See A/D
Analog-to-Digital Converter. See A/D
Application Notes
Architecture
Assembler
B
Banking, Data Memory ................................................. 12, 18
Baud Rate Generator ......................................................... 79
BCLIF ................................................................................. 24
BF ............................................................................74, 82, 84
Block Diagrams
2001 Microchip Technology Inc.
Acquisition Requirements ........................................ 114
ADCON0 Register .................................................... 111
ADCON1 Register .................................................... 112
ADIF bit .................................................................... 112
Analog Input Model Block Diagram .......................... 114
Analog Port Pins ....................................... 7, 8, 9, 36, 38
Associated Registers and Bits ................................. 117
Block Diagram .......................................................... 113
Calculating Acquisition Time .................................... 114
Configuring Analog Port Pins ................................... 115
Configuring the Interrupt .......................................... 113
Configuring the Module ............................................ 113
Conversion Clock ..................................................... 115
Conversions ............................................................. 116
Delays ...................................................................... 114
Effects of a RESET .................................................. 117
GO/DONE bit ........................................................... 112
Internal Sampling Switch (Rss) Impedence ............. 114
Operation During SLEEP ......................................... 117
Result Registers ....................................................... 116
Sampling Requirements ........................................... 114
Source Impedence ................................................... 114
Time Delays ............................................................. 114
AN552 (Implementing Wake-up on Key Strokes
AN556 (Implementing a Table Read) ........................ 26
AN578 (Use of the SSP Module in the I2C
PIC16F873/PIC16F876 Block Diagram ....................... 5
PIC16F874/PIC16F877 Block Diagram ....................... 6
MPASM Assembler .................................................. 143
A/D ........................................................................... 113
A/D Converter .......................................................... 113
Analog Input Model .................................................. 114
Baud Rate Generator ................................................. 79
Capture Mode ............................................................ 59
Compare Mode .......................................................... 60
I
I
I
Interrupt Logic .......................................................... 129
PIC16F873/PIC16F876 ................................................ 5
2
2
2
C Master Mode ........................................................ 78
C Module ................................................................. 73
C Slave Mode .......................................................... 73
Using PIC16CXXX) .................................... 31
Multi-Master Environment) ......................... 73
BOR. See Brown-out Reset
BRG ................................................................................... 79
BRGH bit ............................................................................ 97
Brown-out Reset (BOR) ............................ 119, 123, 125, 126
Buffer Full bit, BF ............................................................... 74
Bus Arbitration ................................................................... 89
Bus Collision Section ......................................................... 89
Bus Collision During a Repeated START Condition .......... 92
Bus Collision During a START Condition .......................... 90
Bus Collision During a STOP Condition ............................ 93
Bus Collision Interrupt Flag bit, BCLIF ............................... 24
C
Capture/Compare/PWM (CCP) ......................................... 57
PIC16F874/PIC16F877 ............................................... 6
PORTA
PORTB
PORTC
PORTD ...................................................................... 35
PORTD and PORTE (Parallel Slave Port) ................. 38
PORTE ...................................................................... 36
PWM Mode ................................................................ 61
RESET Circuit .......................................................... 123
SSP (I
SSP (SPI Mode) ........................................................ 69
Timer0/WDT Prescaler .............................................. 47
Timer1 ....................................................................... 52
Timer2 ....................................................................... 55
USART Asynchronous Receive ............................... 101
USART Asynchronous Receive (9-bit Mode) .......... 103
USART Transmit ........................................................ 99
Watchdog Timer ...................................................... 131
BOR Status (BOR Bit) ............................................... 25
Associated Registers
Capture Mode ............................................................ 59
CCP Timer Resources ............................................... 57
CCP1
CCP2
Compare
Compare Mode .......................................................... 60
Interaction of Two CCP Modules (table) .................... 57
RA3:RA0 and RA5 Pins ..................................... 29
RA4/T0CKI Pin .................................................. 29
RB3:RB0 Port Pins ............................................ 31
RB7:RB4 Port Pins ............................................ 31
Peripheral Output Override (RC 0:2, 5:7) .......... 33
Peripheral Output Override (RC 3:4) ................. 33
Capture, Compare and Timer1 .......................... 62
PWM and Timer2 ............................................... 63
Block Diagram ................................................... 59
CCP1CON Register ........................................... 58
CCP1IF .............................................................. 59
Prescaler ........................................................... 59
RC2/CCP1 Pin ..................................................7, 9
RC1/T1OSI/CCP2 Pin ......................................7, 9
Special Trigger Output of CCP1 ........................ 60
Special Trigger Output of CCP2 ........................ 60
Block Diagram ................................................... 60
Software Interrupt Mode .................................... 60
Special Event Trigger ........................................ 60
2
C Mode) ......................................................... 73
PIC16F87X
DS30292C-page 199