PIC18F45J50-I/PT Microchip Technology, PIC18F45J50-I/PT Datasheet - Page 125
![IC PIC MCU FLASH 32K 2V 44-TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F45J50-I/PT
Manufacturer Part Number
PIC18F45J50-I/PT
Description
IC PIC MCU FLASH 32K 2V 44-TQFP
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Datasheets
1.PIC18LF24J50-ISS.pdf
(554 pages)
2.PIC18LF24J50-ISS.pdf
(12 pages)
3.PIC18F26J11-ISO.pdf
(28 pages)
Specifications of PIC18F45J50-I/PT
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
34
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Operating Supply Voltage
2.25 V to 2.75 V
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, DM183032, MA180024, DM183022
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3776Byte
Cpu Speed
48MHz
No. Of Timers
5
Embedded Interface Type
EUSART, I2C, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F45J50-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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9.0
Depending on the device selected and features
enabled, there are up to five ports available. Some pins
of the I/O ports are multiplexed with an alternate
function from the peripheral features on the device. In
general, when a peripheral is enabled, that pin may not
be used as a general purpose I/O pin.
Each port has three registers for its operation. These
registers are:
• TRIS register (Data Direction register)
• PORT register (reads the levels on the pins of the
• LAT register (Data Latch)
The Data Latch (LAT register) is useful for read-modify-
write operations on the value that the I/O pins are
driving.
Figure 9-1 displays a simplified model of a generic I/O
port, without the interfaces to other peripherals.
FIGURE 9-1:
© 2009 Microchip Technology Inc.
device)
RD LAT
Data
Bus
WR LAT
or PORT
WR TRIS
RD TRIS
RD PORT
Note 1: I/O pins have diode protection to V
I/O PORTS
V
SS
TRIS Latch
Data Latch
D
D
CK
CK
.
GENERIC I/O PORT
OPERATION
Q
Q
Q
EN
EN
D
I/O pin
Buffer
Input
DD
and
(1)
PIC18F46J50 FAMILY
9.1
When developing an application, the capabilities of the
port pins must be considered. Outputs on some pins
have higher output drive strength than others. Similarly,
some pins can tolerate higher than V
9.1.1
The output pin drive strengths vary for groups of pins
intended to meet the needs for a variety of applications.
PORTB and PORTC are designed to drive higher
loads, such as LEDs. All other ports are designed for
small loads, typically indication only. Table 9-1 sum-
marizes the output capabilities. Refer to Section 29.0
“Electrical Characteristics” for more details.
TABLE 9-1:
9.1.2
The voltage tolerance of pins used as device inputs is
dependent on the pin’s input function. Pins that are used
as digital only inputs are able to handle DC voltages up
to 5.5V; a level typical for digital logic circuits. In contrast,
pins that also have analog input functions of any kind
can only tolerate voltages up to V
beyond V
summarizes
Section 29.0 “Electrical Characteristics” for more
details.
TABLE 9-2:
PORTA
PORTD
PORTE
PORTB
PORTC
PORTA<7:0>
PORTB<3:0>
PORTC<2:0>
PORTE<2:0>
PORTB<7:4>
PORTC<7:6>
PORTD<7:0>
PORTC<5:4>
Port or Pin
Port
I/O Port Pin Capabilities
DD
PIN OUTPUT DRIVE
INPUT PINS AND VOLTAGE
CONSIDERATIONS
on these pins should be avoided. Table 9-2
Minimum Intended for indication.
the
Drive
High
Tolerated
OUTPUT DRIVE LEVELS
INPUT VOLTAGE LEVELS
(USB)
Input
5.5V
V
input
DD
Suitable for direct LED drive
levels.
capabilities.
Only V
tolerated.
Tolerates input levels
above V
most standard logic.
Designed for USB
specifications.
DD
Description
. Voltage excursions
DS39931C-page 125
Description
DD
DD
DD
input levels.
input levels
, useful for
Refer
to
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