PIC16F870-E/SP Microchip Technology, PIC16F870-E/SP Datasheet - Page 54
PIC16F870-E/SP
Manufacturer Part Number
PIC16F870-E/SP
Description
IC MCU CMOS 20MHZ 2K FLASH 28DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16F688T-ISL.pdf
(688 pages)
3.PIC16F870-ISO.pdf
(172 pages)
4.PIC16F870-ISO.pdf
(6 pages)
Specifications of PIC16F870-E/SP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
FLASH
Eeprom Size
64 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
128 B
Interface Type
USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
8
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
28 bit
For Use With
I3-DB16F871 - BOARD DAUGHTER ICEPIC3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC16F688T-ISL PDF datasheet #2
- PIC16F870-ISO PDF datasheet #3
- PIC16F870-ISO PDF datasheet #4
- Current page: 54 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
3.2
3.2.1
DS31003A-page 3-4
Power-on Reset (POR)
Power-on Reset (POR), Power-up Timer (PWRT),
Oscillator Start-up Timer (OST), Brown-out Reset (BOR), and Parity Error Reset (PER)
A Power-on Reset pulse is generated on-chip when V
the POR, just tie the MCLR pin directly (or through a resistor) to V
will eliminate external RC components usually needed to create a Power-on Reset. A minimum
rise time for V
ifications”
Figure 3-2: Using On-Chip POR
When the device exits the reset condition (begins normal operation), the device operating param-
eters (voltage, frequency, temperature, etc.) must be within their operating ranges, otherwise the
device will not function correctly. Ensure the delay is long enough to get all operating parameters
within specification.
Figure 3-3
Reset circuit is only required if V
capacitor quickly when V
Figure 3-3: External Power-on Reset Circuit (For Slow V
Note:
Note:
shows a possible POR circuit for a slow power supply ramp up. The external Power-on
section for details.
R < 40 k
exceed 0.2V. A larger voltage drop will degrade V
DD
The resistor is optional.
is required. See
is recommended to ensure that the voltage drop across R does not
DD
powers down.
V
DD
DD
D
parameter D003
power-up time is too slow. The diode, D, helps discharge the
V
V
DD
DD
R
R
(1)
C
PIC16CXXX
V
MCLR
DD
and
MCLR
V
PIC16CXXX
DD
DD
parameter D004
rise is detected. To take advantage of
DD
IH
Power-up)
DD
level on the MCLR/V
1997 Microchip Technology Inc.
as shown in
in the
“Electrical Spec-
Figure
PP
3-2. This
pin.
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