PIC16F877-20I/L Microchip Technology, PIC16F877-20I/L Datasheet - Page 9

• Manufacturer Part Number: PIC16F877-20I/L
• Description: IC MCU FLASH 8KX14 EE 44PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-20I/L

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Controller Family/series: PIC16F
• No. Of I/o's: 33
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Embedded Interface Type: I2C, PSP, SPI, USART
• A/d Converter: 10 Bits
• No. Of Timers 8/12/16/32 Bits: 2 / 0 / 1 / 0
• Interface: I2C, PSP, SPI, USART
• Rohs Compliant: No
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 368 B
• Interface Type: MSSP, PSP, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 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, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164309 - MODULE SKT FOR PM3 44PLCC444-1001 - DEMO BOARD FOR PICMICRO MCUDVA16XL441 - ADAPTER DEVICE ICE 44PLCC309-1040 - ADAPTER 44-PLCC ZIF TO 40-DIP309-1039 - ADAPTER 44-PLCC TO 40-DIPDV007003 - PROGRAMMER UNIVERSAL PROMATE II
• Lead Free Status / Rohs Status: Details

SECTION 22. BASIC 8-BIT A/D CONVERTER
SECTION 23. 10-BIT A/D CONVERTER
SECTION 24. SLOPE A/D
M
1997 Microchip Technology Inc.
Introduction .....................................................................................................................................................22-2
Control Registers ............................................................................................................................................22-3
A/D Acquisition Requirements ........................................................................................................................22-6
Selecting the A/D Conversion Clock ..............................................................................................................22-8
Configuring Analog Port Pins .......................................................................................................................22-10
A/D Conversions ..........................................................................................................................................22-11
A/D Operation During Sleep .........................................................................................................................22-14
A/D Accuracy/Error .......................................................................................................................................22-15
Effects of a RESET ......................................................................................................................................22-16
Connection Considerations ..........................................................................................................................22-16
Transfer Function .........................................................................................................................................22-16
Initialization ...................................................................................................................................................22-17
Design Tips ..................................................................................................................................................22-18
Related Application Notes ............................................................................................................................22-19
Revision History ...........................................................................................................................................22-20
Introduction .....................................................................................................................................................23-2
Control Register .............................................................................................................................................23-3
Operation ........................................................................................................................................................23-5
A/D Acquisition Requirements ........................................................................................................................23-6
Selecting the A/D Conversion Clock ..............................................................................................................23-8
Configuring Analog Port Pins .........................................................................................................................23-9
A/D Conversions ..........................................................................................................................................23-10
Operation During Sleep ................................................................................................................................23-14
Effects of a Reset .........................................................................................................................................23-14
A/D Accuracy/Error .......................................................................................................................................23-15
Connection Considerations ..........................................................................................................................23-16
Transfer Function .........................................................................................................................................23-16
Initialization ...................................................................................................................................................23-17
Design Tips ..................................................................................................................................................23-18
Related Application Notes ............................................................................................................................23-19
Revision History ...........................................................................................................................................23-20
Introduction .....................................................................................................................................................24-2
Control Registers ............................................................................................................................................24-3
Conversion Process .......................................................................................................................................24-6
Other Analog Modules ..................................................................................................................................24-12
Calibration Parameters .................................................................................................................................24-13
Design Tips ..................................................................................................................................................24-14
Related Application Notes ............................................................................................................................24-15
Revision History ...........................................................................................................................................24-16
Table of Contents
DS00097D-page ix
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