PIC18F4420-E/ML Microchip Technology, PIC18F4420-E/ML Datasheet - Page 347
PIC18F4420-E/ML
Manufacturer Part Number
PIC18F4420-E/ML
Description
IC MCU FLASH 8KX16 44QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2420-IML.pdf
(412 pages)
3.PIC18F2420-IML.pdf
(16 pages)
4.PIC18F2420-IML.pdf
(8 pages)
5.PIC18F2420-IML.pdf
(6 pages)
6.PIC18F2420-IML.pdf
(8 pages)
7.PIC18F2420-IML.pdf
(4 pages)
Specifications of PIC18F4420-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC18F2221-ISO PDF datasheet
- PIC18F2420-IML PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
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FIGURE 26-8:
FIGURE 26-9:
TABLE 26-10: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER
© 2008 Microchip Technology Inc.
Param.
30
31
32
33
34
35
36
37
38
39
No.
Watchdog
Note:
Time-out
Time-out
I/O pins
Internal
Internal
PWRT
MCLR
Reset
Timer
Reset
Internal Reference
Reference Voltage
TmcL
T
T
T
T
T
T
T
T
T
POR
OSC
Symbol
V
OST
CSD
WDT
PWRT
IOZ
BOR
IRVST
LVD
IOBST
DD
Enable Internal
Voltage Stable
Refer to Figure 26-5 for load conditions.
AND BROWN-OUT RESET REQUIREMENTS
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
High/Low-Voltage Detect Pulse Width
CPU Start-up Time
Time for INTOSC to Stabilize
V
IRVST
V
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND
POWER-UP TIMER TIMING
BROWN-OUT RESET TIMING
DD
33
Characteristic
32
PIC18F2420/2520/4420/4520
36
BV
1024 T
DD
55.6
Min
200
200
3.4
—
—
—
—
2
OSC
34
65.5
30
Typ
4.1
20
10
—
—
—
—
2
1
1024 T
35
Max
4.71
75.4
50
—
—
—
—
—
—
OSC
31
Units
ms
ms
μs
—
μs
μs
μs
μs
μs
μs
T
V
V
OSC
DD
DD
DS39631E-page 345
34
≤ B
≤ V
= OSC1 period
Conditions
VDD
LVD
(see D005)
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