PIC16F877-04E/PT Microchip Technology, PIC16F877-04E/PT Datasheet - Page 395

• Manufacturer Part Number: PIC16F877-04E/PT
• Description: IC MCU FLASH 8KX14 EE 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F877-04E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Size: 14KB (8K x 14)
• 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 ~ 125°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PIC16F87704E/PT

1997 Microchip Technology Inc.
Selected Channel
Finish Conversion
A/D Clock
ADON = 0?
Wait 2T
Device in
SLEEP?
ADIF = 1
ADON = 0
Acquire
GO = 0?
= RC?
GO = 0
No
No
No
No
AD
Figure 21-5: Flowchart of A/D Operation
Yes
Yes
Yes
Yes
Conversion Delayed
1 Instruction Cycle
Abort Conversion
Power-down A/D
Start of A/D
Section 21. 8-bit A/D Converter
ADIF = 0
GO = 0
SLEEP
Finish Conversion
Instruction?
Wait 2T
ADIF = 1
SLEEP
GO = 0
No
AD
Yes
Finish Conversion
Power-down A/D
From Sleep?
Stay in Sleep
ADIF = 1
Wake-up
GO = 0
No
Yes
Wait 2T
AD
DS31021A-page 21-11
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