PIC16F874-04E/P Microchip Technology, PIC16F874-04E/P Datasheet - Page 47
![IC MCU FLASH 4KX14 EE 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC16F874-04E/P
Manufacturer Part Number
PIC16F874-04E/P
Description
IC MCU FLASH 4KX14 EE 40DIP
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 PIC16F874-04E/P
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
7KB (4K x 14)
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
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PIC16F87404E/P
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F874-04E/PQ
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
PIC16F874-04E/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: 47 of 688
- Download datasheet (3Mb)
2.6
2.7
2.7.1
1997 Microchip Technology Inc.
Power-up Delays
Effects of Sleep Mode on the On-chip Oscillator
Effects of Device Reset on the On-chip Oscillator
When the device executes a SLEEP instruction, the on-chip clocks and oscillator are turned off
and the device is held at the beginning of an instruction cycle (Q1 state). With the oscillator off,
the OSC1 and OSC2 signals will stop oscillating. Since all the transistor switching currents have
been removed, sleep mode achieves the lowest current consumption of the device (only leakage
currents). Enabling any on-chip feature that will operate during sleep will increase the current
consumed during sleep. The user can wake from SLEEP through external reset, Watchdog Timer
Reset or through an interrupt.
Table 2-6:
Device resets have no effect on the on-chip crystal oscillator circuitry. The oscillator will continue
to operate as it does under normal execution. While in reset, the device logic is held at the Q1
state so that when the device exits reset, it is at the beginning of an instruction cycle.
The OSC2 pin, when used as the external clockout (EXTRC mode), will be held low during
reset, and as soon as the MCLR pin is at V
See
There are two timers that offer necessary delays on power-up. One is the Oscillator Start-up
Timer, OST, intended to keep the chip in RESET until the crystal oscillator is stable. The other is
the Power-up Timer (PWRT), which provides a fixed delay of 72 ms (nominal) on power-up only
(POR and BOR). The PWRT is designed to keep the part in RESET while the power supply sta-
bilizes. With these two timers on-chip, most applications need no external reset circuitry. For
additional information on reset operation, see the
See
Table
Table
LP, XT, and HS
OSC Mode
EXTRC
INTRC
3-1, in the
3-1, in the
OSC1 and OSC2 Pin States in Sleep Mode
“Reset”
“Reset”
Floating, external resistor should
pull high
N.A.
Feedback inverter disabled, at
quiescent voltage level
section, for time-outs due to Sleep and MCLR reset.
section, for time-outs due to Sleep and MCLR reset.
OSC1 Pin
Section 2. Oscillator
IH
(input high voltage), the RC will start to oscillate.
“Reset”
section.
At logic low
N.A.
Feedback inverter disabled, at
quiescent voltage level
OSC2 Pin
DS31002A-page 2-17
2
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