PIC16F747-I/PT Microchip Technology, PIC16F747-I/PT Datasheet - Page 3

• Manufacturer Part Number: PIC16F747-I/PT
• Description: IC PIC MCU FLASH 4KX14 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F747-I/PT

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 36
• Program Memory Type: FLASH
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Controller Family/series: PIC16F
• No. Of I/o's: 36
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPI3DBF777 - BOARD DAUGHTER ICEPIC3AC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

3. Module: Internal RC Oscillator
 2004 Microchip Technology Inc.
When any one of the seven INTOSC frequencies
is enabled by the following conditions, it is possible
for the oscillator to overshoot the selected
frequency:
1. A clock switch from INTRC (31 kHz) to an
2. Exit from Sleep mode with the IRCF bits
3. Executing a clock source switch via the SCS
If the selected frequency is 8 MHz, then the
Voltage versus Frequency specification of the
device may be violated.
Work around
When it is required for the application to run at
8 MHz, it is recommended that the application
does not start executing code at 8 MHz until the
60 ms firmware delay (see issue
completed. During the 60 ms settling period, the
application can execute code up to 4 MHz. Upon
completion of the 60 ms firmware delay, the 8 MHz
can be selected via the IRCF bits.
Date Codes that pertain to this issue:
All date codes.
INTOSC (125 kHz-8 MHz) frequency via the
IRCF bits (OSCCON register).
already configured for an INTOSC frequency.
bits (OSCCON register) to the internal RC
oscillator with the IRCF bits already configured
for an INTOSC frequency.
2)
has
PIC16F7X7
DS80177E-page 3