PIC18F65J50T-I/PT Microchip Technology, PIC18F65J50T-I/PT Datasheet - Page 360
![IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC](/photos/6/81/68123/c04-066_pf_sml.jpg)
PIC18F65J50T-I/PT
Manufacturer Part Number
PIC18F65J50T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F63J11-IPT.pdf
(36 pages)
3.PIC18F65J50-IPT.pdf
(480 pages)
4.PIC18F65J50-IPT.pdf
(16 pages)
Specifications of PIC18F65J50T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
49
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3904 B
Interface Type
I2C, MSSP, SPI, EUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
49
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM183022, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162087 - HEADER MPLAB ICD2 18F87J50 68/84MA180021 - MODULE PLUG-IN 18F87J50 FS USBAC164327 - MODULE SKT FOR 64TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
PIC18F65J50T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F65J50T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F63J11-IPT PDF datasheet #2
- PIC18F65J50-IPT PDF datasheet #3
- PIC18F65J50-IPT PDF datasheet #4
- Current page: 360 of 480
- Download datasheet (8Mb)
PIC18F87J50 FAMILY
25.3
All of the PIC18F87J10 family devices power their core
digital logic at a nominal 2.5V. For designs that are
required to operate at a higher typical voltage, such as
3.3V, all devices in the PIC18F87J10 family incorporate
an on-chip regulator that allows the device to run its
core logic from V
The regulator is controlled by the ENVREG pin. Tying
V
vides power to the core from the other V
the regulator is enabled, a low-ESR filter capacitor
must be connected to the V
(Figure 25-2). This helps to maintain the stability of the
regulator. The recommended value for the filter capac-
itor is provided in Section 28.3 “DC Characteristics:
PIC18F87J50 Family (Industrial)”.
If ENVREG is tied to V
this case, separate power for the core logic at a nomi-
nal 2.5V must be supplied to the device on the
V
levels, typically 3.3V. Alternatively, the V
and V
nominal voltage. Refer to Figure 25-2 for possible
configurations.
25.3.1
When it is enabled, the on-chip regulator provides a con-
stant voltage of 2.5V nominal to the digital core logic.
The regulator can provide this level from a VDD of about
2.5V, all the way up to the device’s V
have the capability to boost V
order to prevent “brown-out” conditions, when the volt-
age drops too low for the regulator, the regulator enters
Tracking mode. In Tracking mode, the regulator output
follows V
The on-chip regulator includes a simple Low-Voltage
Detect (LVD) circuit. If V
approximately 2.45V on V
Low-Voltage Detect Interrupt Flag, LVDIF (PIR2<2>).
This can be used to generate an interrupt and put the
application into a low-power operational mode, or trig-
ger an orderly shutdown. Low-Voltage Detection is only
available when the regulator is enabled.
The Low-Voltage Detect interrupt is edge-sensitive and
will only be set once per falling edge of V
ware can clear the interrupt flag, but a new interrupt will
not be generated until V
then falls below, the 2.45V nominal threshold. Device
Resets will reset the interrupt flag to ‘0’, even if
V
enabled, the LVDSTAT bit in the WDTCON register can
be polled to determine the current level of V
DS39775C-page 360
DD
DDCORE
DDCORE
to the pin enables the regulator, which in turn, pro-
DD
DD
On-Chip Voltage Regulator
pins can be tied together to operate at a lower
/V
is less than 2.45V. When the regulator is
, with a typical voltage drop of 100 mV.
CAP
VOLTAGE REGULATOR TRACKING
MODE AND LOW-VOLTAGE
DETECTION
pin to run the I/O pins at higher voltage
DD
.
SS
DDCORE
DD
, the regulator is disabled. In
DDCORE
drops too low to maintain
DD
rises back above, and
levels below 2.5V. In
, the circuit sets the
DDCORE
DDMAX
DD
DDCORE
DDCORE
. It does not
pins. When
/V
DDCORE
CAP
. Firm-
/V
CAP
pin
.
FIGURE 25-2:
Note 1:
Regulator Enabled (ENVREG tied to V
Regulator Disabled (ENVREG tied to ground):
Regulator Disabled (V
2.5V
2.5V
C
(1)
(1)
F
3.3V
These are typical operating voltages. Refer
to Section 28.1 “DC Characteristics:
Supply Voltage” for the full operating
ranges of V
3.3V
(1)
V
ENVREG
V
V
CONNECTIONS FOR THE
ON-CHIP REGULATOR
DD
DDCORE
SS
DD
© 2009 Microchip Technology Inc.
DD
PIC18F87J50
V
ENVREG
V
V
V
ENVREG
V
V
DD
DDCORE
SS
and V
DD
DDCORE
SS
tied to V
PIC18F87J50
PIC18F87J50
/V
DDCORE
CAP
/V
/V
DDCORE
CAP
CAP
.
DD
):
):
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