PIC16F874-04/PT Microchip Technology, PIC16F874-04/PT Datasheet - Page 187
![IC MCU FLASH 4KX14 EE 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC16F874-04/PT
Manufacturer Part Number
PIC16F874-04/PT
Description
IC MCU FLASH 4KX14 EE 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F873-04SO.pdf
(218 pages)
4.PIC16F873-04SO.pdf
(5 pages)
5.PIC16F873-04SO.pdf
(5 pages)
Specifications of PIC16F874-04/PT
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Oscillator Type
External
Core Processor
PIC
Speed
4MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
33
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Operating Temperature
0°C ~ 70°C
Package / Case
44-TQFP, 44-VQFP
Controller Family/series
PIC16F
No. Of I/o's
33
Eeprom Memory Size
128Byte
Ram Memory Size
192Byte
Cpu Speed
4MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-04/PT
Manufacturer:
MICROCHIP
Quantity:
4 500
Company:
Part Number:
PIC16F874-04/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F873-04SO PDF datasheet #3
- PIC16F873-04SO PDF datasheet #4
- PIC16F873-04SO PDF datasheet #5
- Current page: 187 of 688
- Download datasheet (3Mb)
12.6
1997 Microchip Technology Inc.
Timer1 Oscillator
A crystal oscillator circuit is built in between pins T1OSI (input) and T1OSO (amplifier output). It
is enabled by setting the T1OSCEN control bit (T1CON<3>). The oscillator is a low power
oscillator, rated up to 200 kHz operation. It will continue to run during SLEEP. It is primarily
intended for a 32 kHz crystal, which is an ideal frequency for real-time keeping.
the capacitor selection for the Timer1 oscillator.
The Timer1 oscillator is identical to the LP oscillator. The user must provide a software time delay
to ensure proper oscillator start-up.
Table 12-1: Capacitor Selection for the Timer1 Oscillator
Crystals Tested:
32.768 kHz
100 kHz
200 kHz
Note 1: Higher capacitance increases the stability of oscillator but also increases the start-up
Note:
2: Since each resonator/crystal has its own characteristics, the user should consult the
Osc Type
time.
resonator/crystal manufacturer for appropriate values of external components.
LP
This allows the counter to operate (increment) when the device is in sleep mode,
which allows Timer1 to be used as a real-time clock.
Epson C-001R32.768K-A
Epson C-2 100.00 KC-P
STD XTL 200.000 kHz
100 kHz
200 kHz
32 kHz
Freq
Section 12. Timer1
33 pF
15 pF
15 pF
C1
DS31012A-page 12-7
20 PPM
20 PPM
20 PPM
Table 12-1
33 pF
15 pF
15 pF
C2
shows
12
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