PIC18F2420-I/SP Microchip Technology Inc., PIC18F2420-I/SP Datasheet - Page 330
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC18F2420-I/SP
Manufacturer Part Number
PIC18F2420-I/SP
Description
28 Pin, 16 KB Flash, 768 RAM, 25 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC18F2420-ISP.pdf
(388 pages)
Specifications of PIC18F2420-I/SP
A/d Inputs
10-Channel, 10-Bit
Comparators
2
Cpu Speed
10 MIPS
Eeprom Memory
256 Bytes
Input Output
25
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
16K Bytes
Ram Size
768 Bytes
Speed
40 MHz
Timers
1-8-bit, 3-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2420-I/SP
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- Current page: 330 of 388
- Download datasheet (7Mb)
PIC18F2220/2320/4220/4320
FIGURE 26-8:
FIGURE 26-9:
TABLE 26-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
DS39599C-page 328
Param.
30
31
32
33
34
35
36
37
No.
Reference Voltage
Internal Reference
Watchdog
Time-out
Time-out
Note:
I/O pins
Internal
Internal
Enable Internal
PWRT
Voltage Stable
MCLR
Reset
Reset
Timer
POR
OSC
T
T
T
T
TIOZ
T
T
T
V
Symbol
OST
WDT
IVRST
MC
PWRT
BOR
LVD
DD
L
V
Refer to Figure 26-5 for load conditions.
IRVST
V
DD
MCLR Pulse Width (low)
Watchdog Timer Time-out Period (no postscaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-Impedance from MCLR Low or
Watchdog Timer Reset
Brown-out Reset Pulse Width
Time for Internal Reference Voltage to become
stable
Low-Voltage Detect Pulse Width
AND BROWN-OUT RESET REQUIREMENTS
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT RESET TIMING
33
Characteristic
32
36
BV
DD
1024 T
3.48
57.0
Min
200
200
34
—
—
2
OSC
30
4.00
65.5
Typ
20
35
—
—
—
—
2
1024 T
Max
4.71
77.2
50
—
—
—
—
OSC
31
2003 Microchip Technology Inc.
Units
ms
ms
—
s
s
s
s
s
T
V
V
OSC
DD
DD
34
= OSC1 period
Conditions
B
V
V
VDD
LVD
BGAP
(see D005)
= 1.2V
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