PIC16F874-04/PT Microchip Technology, PIC16F874-04/PT Datasheet - Page 173
![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: 173 of 688
- Download datasheet (3Mb)
11.4
1997 Microchip Technology Inc.
GIE bit
INSTRUCTION
FLOW
T0IF bit
Instruction
fetched
Instruction
executed
Timer0
CLKOUT(3)
OSC1
PC
TMR0 Interrupt
Note 1: Interrupt flag bit T0IF is sampled here (every Q1).
Q1
2: Interrupt latency = 4T
3: CLKOUT is available only in RC oscillator mode.
FEh
Inst (PC)
Inst (PC-1)
Q2
The TMR0 interrupt is generated when the TMR0 register overflows from FFh to 00h. This
overflow sets bit T0IF (INTCON<2>). The interrupt can be masked by clearing bit T0IE
(INTCON<5>). Bit T0IF must be cleared in software by the Timer0 module interrupt service rou-
tine before re-enabling this interrupt. The TMR0 interrupt cannot awaken the processor from
SLEEP since the timer is shut-off during SLEEP. See
Figure 11-4: TMR0 Interrupt Timing
1
PC
Q3
Q4
CY
Q1
FFh
where T
Inst (PC+1)
Inst (PC)
Q2
1
PC +1
CY
Q3
= instruction cycle time.
Q4
Q1
00h
Dummy cycle
Q2
PC +1
Q3
Section 11. Timer0
Q4
Figure 11-4
Q1
01h
Dummy cycle
Inst (0004h)
Q2
0004h
Q3
for Timer0 interrupt timing.
Q4
Q1
DS31011A-page 11-5
02h
Inst (0004h)
Inst (0005h)
Q2
0005h
Q3
Q4
11
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