PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 403

• Manufacturer Part Number: PIC16F872-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,28PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F872-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-SSOP
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 22
• Interface Type: I2C/SPI
• On-chip Adc: 5-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M
1997 Microchip Technology Inc.
HIGHLIGHTS
This section of the manual contains the following major topics:
22.1 Introduction ..................................................................................................................22-2
22.2 Control Registers .........................................................................................................22-3
22.3 A/D Acquisition Requirements .....................................................................................22-6
22.4 Selecting the A/D Conversion Clock ............................................................................22-8
22.5 Configuring Analog Port Pins.....................................................................................22-10
22.6 A/D Conversions ........................................................................................................22-11
22.7 A/D Operation During Sleep ......................................................................................22-14
22.8 A/D Accuracy/Error ....................................................................................................22-15
22.9 Effects of a RESET ....................................................................................................22-16
22.10 Connection Considerations ........................................................................................22-16
22.11 Transfer Function .......................................................................................................22-16
22.12 Initialization ................................................................................................................22-17
22.13 Design Tips ................................................................................................................22-18
22.14 Related Application Notes..........................................................................................22-19
22.15 Revision History .........................................................................................................22-20
Section 22. Basic 8-bit A/D Converter
Note:
Please refer to
use this module.
Appendix C.2
or the device Data Sheet to determine which devices
DS31022A page 22-1
22