PIC18F4220-E/P Microchip Technology, PIC18F4220-E/P Datasheet - Page 227
![IC MCU FLASH 2KX16 EEPROM 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4220-E/P
Manufacturer Part Number
PIC18F4220-E/P
Description
IC MCU FLASH 2KX16 EEPROM 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F1320-ISS.pdf
(36 pages)
3.PIC18F2220-ISO.pdf
(394 pages)
4.PIC18F2220-ISO.pdf
(6 pages)
5.PIC18F2220-ISO.pdf
(6 pages)
6.PIC18F2220-ISO.pdf
(8 pages)
7.PIC18F2220-ISO.pdf
(6 pages)
8.PIC18F2220-ISO.pdf
(6 pages)
Specifications of PIC18F4220-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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
40-DIP (0.600", 15.24mm)
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4220-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F1320-ISS PDF datasheet #2
- PIC18F2220-ISO PDF datasheet #3
- PIC18F2220-ISO PDF datasheet #4
- PIC18F2220-ISO PDF datasheet #5
- PIC18F2220-ISO PDF datasheet #6
- PIC18F2220-ISO PDF datasheet #7
- PIC18F2220-ISO PDF datasheet #8
- Current page: 227 of 394
- Download datasheet (7Mb)
20.7
When a comparator is active and the device is placed
in a power-managed mode, the comparator remains
active and the interrupt is functional if enabled. This
interrupt will wake-up the device from a power-
managed mode when enabled. Each operational
comparator will consume additional current, as shown
in the comparator specifications. To minimize power
consumption while in a power-managed mode, turn off
the comparators (CM<2:0> = 111) before entering the
power-managed modes. If the device wakes up from a
power-managed mode, the contents of the CMCON
register are not affected.
20.8
A device Reset forces the CMCON register to its Reset
state, causing the comparator module to be in the Com-
parator Reset mode (CM<2:0> = 111). This ensures
that all potential inputs are analog inputs. Device cur-
rent is minimized when digital inputs are present at
Reset time. The comparators will be powered down
during the Reset interval.
FIGURE 20-4:
© 2007 Microchip Technology Inc.
Comparator Operation in
Power-Managed Modes
Effects of a Reset
VA
Legend:
R
S
< 10k
COMPARATOR ANALOG INPUT MODEL
C
V
I
R
R
VA
A
LEAKAGE
T
PIN
IC
S
IN
C
5 pF
PIN
= Input Capacitance
= Threshold Voltage
= Leakage Current at the pin due to various junctions
= Interconnect Resistance
= Source Impedance
= Analog Voltage
PIC18F2220/2320/4220/4320
V
DD
V
V
T
T
= 0.6V
= 0.6V
20.9
A simplified circuit for an analog input is shown in
Figure 20-4. Since the analog pins are connected to a
digital output, they have reverse biased diodes to V
and V
V
more than 0.6V, one of the diodes is forward biased
and a latch-up condition may occur. A maximum source
impedance of 10 kΩ is recommended for the analog
sources.
SS
and V
V
SS
SS
. Therefore, the analog input must be between
Analog Input Connection
Considerations
I
±500 nA
LEAKAGE
DD
. If the input voltage exceeds this range by
R
IC
Comparator
Input
DS39599G-page 225
DD
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