PIC16F874A-E/ML Microchip Technology, PIC16F874A-E/ML Datasheet - Page 148
![IC MCU FLASH 4KX14 A/D 44QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC16F874A-E/ML
Manufacturer Part Number
PIC16F874A-E/ML
Description
IC MCU FLASH 4KX14 A/D 44QFN
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16C770-ISO.pdf
(8 pages)
4.PIC16F873A-ISO.pdf
(234 pages)
5.PIC16F873A-ISO.pdf
(6 pages)
6.PIC16F873A-ISO.pdf
(4 pages)
7.PIC16F873A-ISO.pdf
(6 pages)
8.PIC16F873A-ISO.pdf
(4 pages)
9.PIC16F873A-ISO.pdf
(22 pages)
Specifications of PIC16F874A-E/ML
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
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
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16C770-ISO PDF datasheet #3
- PIC16F873A-ISO PDF datasheet #4
- PIC16F873A-ISO PDF datasheet #5
- PIC16F873A-ISO PDF datasheet #6
- PIC16F873A-ISO PDF datasheet #7
- PIC16F873A-ISO PDF datasheet #8
- PIC16F873A-ISO PDF datasheet #9
- Current page: 148 of 234
- Download datasheet (5Mb)
PIC16F87XA
TABLE 14-2:
DS39582B-page 146
Osc Type
These values are for design guidance only.
See notes following this table.
200 kHz
20 MHz EPSON CA-301 20.000M-C
32 kHz
1 MHz
4 MHz
8 MHz
Note 1: Higher capacitance increases the stability
HS
LP
XT
2: Since each resonator/crystal has its own
3: R
4: When migrating from other PICmicro
EPSON CA-301 8.000M-C
of oscillator but also increases the start-up
time.
characteristics, the user should consult
the resonator/crystal manufacturer for
appropriate
components.
as XT mode, to avoid overdriving crystals
with low drive level specification.
devices, oscillator performance should be
verified.
200 kHz
200 kHz
Epson C-001R32.768K-A
Crystal
20 MHz
32 kHz
1 MHz
4 MHz
4 MHz
8 MHz
Freq.
s
STD XTL 200.000KHz
may be required in HS mode, as well
ECS ECS-10-13-1
ECS ECS-40-20-1
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
Crystals Used
Cap. Range
47-68 pF
15-33 pF
15-33 pF
values
33 pF
15 pF
15 pF
15 pF
15 pF
C1
of
Cap. Range
± 20 PPM
± 20 PPM
± 50 PPM
± 50 PPM
± 30 PPM
± 30 PPM
47-68 pF
15-33 pF
15-33 pF
33 pF
15 pF
15 pF
15 pF
15 pF
external
C2
®
14.2.3
For timing insensitive applications, the “RC” device
option offers additional cost savings. The RC oscillator
frequency is a function of the supply voltage, the
resistor (R
operating temperature. In addition to this, the oscillator
frequency will vary from unit to unit due to normal pro-
cess parameter variation. Furthermore, the difference
in lead frame capacitance between package types will
also affect the oscillation frequency, especially for low
C
variation due to tolerance of external R and C
components used. Figure 14-3 shows how the R/C
combination is connected to the PIC16F87XA.
FIGURE 14-3:
EXT
C
V
Recommended values:
R
EXT
SS
EXT
values. The user also needs to take into account
V
DD
EXT
RC OSCILLATOR
) and capacitor (C
F
OSC
/4
RC OSCILLATOR MODE
OSC1
OSC2/CLKO
2003 Microchip Technology Inc.
3 k
C
EXT
> 20 pF
R
EXT
EXT
) values and the
100 k
PIC16F87XA
Internal
Clock
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