PIC16F872-E/SS Microchip Technology, PIC16F872-E/SS Datasheet - Page 433

• 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

Figure 23-5:
1997 Microchip Technology Inc.
Selected Channel
Finish Conversion
Flowchart of A/D Operation
A/D Clock
ADON = 0?
Wait 2T
Device in
SLEEP?
ADIF = 1
ADON = 0
Acquire
GO = 0?
GO = 0,
= RC?
No
No
No
No
AD
Yes
Yes
Yes
Yes
Conversion Delayed
Section 23. 10-bit A/D Converter
1 Instruction Cycle
Abort Conversion
Power-down A/D
Start of A/D
ADIF = 0
GO = 0,
SLEEP
Preliminary
Finish Conversion
Instruction?
Wait 2T
SLEEP
ADIF = 1
GO = 0,
No
AD
Yes
Finish Conversion
Power-down A/D
Stay in Sleep
From Sleep?
Wake-up
ADIF = 1
GO = 0,
No
Yes
Wait 2T
AD
DS31023A-page 23-11
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