PIC16F870-E/SO Microchip Technology, PIC16F870-E/SO Datasheet - Page 414

• Manufacturer Part Number: PIC16F870-E/SO
• Description: 28 PIN, 3.5KB ENH FLASH, 128 RAM, 22 I/O,
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F870-E/SO

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• 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-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3-DB16F871 - BOARD DAUGHTER ICEPIC3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
Figure 22-5:
DS31022A-page 22-12
Selected Channel
Finish Conversion
Flowchart of A/D Operation
A/D Clock
ADON = 0?
Wait 2T
ADIF = 1
Device in
SLEEP?
ADON = 0
Acquire
GO = 0?
= RC?
GO = 0
No
No
No
No
AD
Yes
Yes
Yes
Yes
Conversion Delayed
1 Instruction Cycle
Abort Conversion
Power-down A/D
Start of A/D
ADIF = 0
GO = 0
SLEEP
Finish Conversion
Instruction?
Wait 2T
SLEEP
ADIF = 1
GO = 0
No
AD
Yes
Finish Conversion
Power-down A/D
From Sleep?
Stay in Sleep
ADIF = 1
Wake-up
GO = 0
No
Yes
1997 Microchip Technology Inc.
Wait 2T
AD