PIC16F77-I/PTG Microchip Technology, PIC16F77-I/PTG Datasheet - Page 520
PIC16F77-I/PTG
Manufacturer Part Number
PIC16F77-I/PTG
Description
IC MCU FLASH 8KX14 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F818-ISO.pdf
(6 pages)
4.PIC16F73-ISP.pdf
(174 pages)
5.PIC16F73-ISP.pdf
(14 pages)
6.PIC16F73-ISP.pdf
(12 pages)
Specifications of PIC16F77-I/PTG
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
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
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F818-ISO PDF datasheet #3
- PIC16F73-ISP PDF datasheet #4
- PIC16F73-ISP PDF datasheet #5
- PIC16F73-ISP PDF datasheet #6
- Current page: 520 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
28.9
DS31028A-page 28-12
Design Tips
Question 1:
Answer 1:
If the MCLR pin does not rise fast enough, while the device’s voltage is in the valid operating
range, the internal Program Counter (PC) can increment. This means that the PC is no longer
pointing to the address that you expected to be at. The exact location depends on the number of
device clocks that occurred in the valid operating region of the device.
Question 2:
Answer 2:
The voltages / timings may be violated at the device. This could be due to the:
• Application board circuitry
• Cable length from programmer to target
• Large capacitance on V
When I try to do ICSP, the entire program is shifted (offset) in the device
program memory.
I am using a PRO MATE II with a socket that I designed to bring the pro-
gramming signal to my application board. Sometimes when I try to do ICSP,
the program memory is programmed wrong.
DD
which affects levels / timings
1997 Microchip Technology Inc.
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