PIC18F86K22-I/PTRSL Microchip Technology, PIC18F86K22-I/PTRSL Datasheet - Page 419

• Manufacturer Part Number: PIC18F86K22-I/PTRSL
• Description: MCU PIC 64K FLASH XLP 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F86K22-I/PTRSL

• Core Size: 8-Bit
• Program Memory Size: 64KB (32K x 16)
• Core Processor: PIC
• Speed: 64MHz
• Connectivity: EBI/EMI, I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 69
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 24x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TFQFP
• Controller Family/series: PIC18
• Eeprom Memory Size: 1024Byte
• Ram Memory Size: 3862Byte
• Cpu Speed: 16MIPS
• No. Of Timers: 11
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

28.3
All of the PIC18F87K22 family devices power their core
digital logic at a nominal 3.3V. For designs that are
required to operate at a higher typical voltage, such as
5V, all family devices incorporate two on-chip regula-
tors that allows the device to run its core logic from
V
• Normal on-chip regulator
• Ultra Low-Power, on-chip regulator
The hardware configuration of these regulators are the
same and are explained in Section 28.3.1 “Regulator
Enable/Disable By Hardware” . The regulators’ only
differences relate to when the device enters Sleep, as
explained in Section 28.3.2 “Operation of Regulator
in Sleep” .
28.3.1
The regulator can be enabled or disabled only by hard-
ware. The regulator is controlled by the ENVREG pin
and the V
28.3.1.1
Tying V
provides power to the core from the other V
When the regulator is enabled, a low-ESR filter capac-
itor must be connected to the V
Figure 28-2). This helps maintain the regulator’s
stability. The recommended value for the filter capacitor
is given in Section 31.2 “DC Characteristics: Power-
Down and Supply Current PIC18F87K22 Family
(Industrial)” .
28.3.1.2
If the regulator is disabled by connecting Vss to the
ENVREG pin, the power to the core is supplied directly
by V
specified V
be connected to the V
required. Whether or not the regulator is used, it is
always a good practice to have sufficient capacitance
on all supply pins.
When the regulator is being used, the overall voltage
budget is very tight. The regulator should operate the
device down to 1.8V. When V
regulator no longer regulates, but the output voltage fol-
lows the input until V
the output of the regulator output may drop to 0V.
 2010 Microchip Technology Inc.
DD
. Those regulators are:
DD
. The voltage levels for V
DD
On-Chip Voltage Regulator
DDCORE
to the pin enables the regulator, which in turn,
DDCORE
REGULATOR ENABLE/DISABLE BY
HARDWARE
Regulator Enable Mode
Regulator Disable Mode
/V
CAP
DD
levels. A bypass capacitor should
reaches 1.8V. Below this voltage,
pin.
DDCORE
DD
DD
DDCORE
/V
drops below 3.3V, the
CAP
must not exceed the
pin, but is not
/V
CAP
DD
pins.
pin (see
Preliminary
PIC18F87K22 FAMILY
FIGURE 28-2:
Note 1:
Regulator Enabled (ENVREG tied to V
Regulator Disabled (ENVREG tied to V
2:
C
These are typical operating voltages. For the
full operating ranges of V
Section 31.2 “DC Characteristics: Power-
Down and Supply Current PIC18F87K22
Family (Industrial)” .
When the regulator is disabled, V
V
bypass capacitor.
3.3V
F
CAP
5V
(1)
may be left floating or connected to a
V
ENVREG
V
V
CONNECTIONS FOR THE
ON-CHIP REGULATOR
DD
DDCORE
SS
V
ENVREG
V
V
PIC18F87K22
DD
DDCORE
SS
PIC18F87K22
/V
/V
CAP
DD
CAP
DS39960B-page 419
(2)
and V
DD
SS
):
DDCORE
DDCORE
):
, see
/