PIC18F24J10-I/SO Microchip Technology, PIC18F24J10-I/SO Datasheet - Page 99

• Manufacturer Part Number: PIC18F24J10-I/SO
• Description: IC PIC MCU FLASH 8KX16 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F24J10-I/SO

• Program Memory Type: FLASH
• Program Memory Size: 16KB (8K x 16)
• Package / Case: 28-SOIC (7.5mm Width)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 21
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1024 B
• Interface Type: SPI, I2C, MSSP, USART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Operating Temperature: + 100 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, DM183032, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162074 - HEADER INTRFC MPLAB ICD2 44TQFPAC162067 - HEADER INTRFC MPLAB ICD2 40/28P
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

10.0
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 register)
The Data Latch (LAT register) is useful for read-modify-
write operations on the value that the I/O pins are
driving.
A simplified model of a generic I/O port, without the
interfaces to other peripherals, is shown in Figure 10-1.
FIGURE 10-1:
© 2009 Microchip Technology Inc.
device)
RD LAT
Data
Bus
WR LAT
or PORT
WR TRIS
RD TRIS
RD PORT
I/O PORTS
TRIS Latch
Data Latch
D
D
CK
CK
GENERIC I/O PORT
OPERATION
Q
Q
Q
EN
EN
D
Buffer
Input
I/O pin
PIC18F45J10 FAMILY
10.1
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
10.1.1
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 10-1 sum-
marizes the output capabilities. Refer to Section 24.0
“Electrical Characteristics” for more details.
TABLE 10-1:
10.1.2
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
2
Section 24.0 “Electrical Characteristics” for more
details.
TABLE 10-2:
PORTA
PORTD
PORTE
PORTB
PORTC
PORTA<5:0>
PORTB<5:0>
PORTC<1:0>
PORTE<2:0>
PORTB<7:6>
PORTC<7:2>
PORTD<7:0>
Port or Pin
summarizes
Port
I/O Port Pin Capabilities
DD
PIN OUTPUT DRIVE
INPUT PINS AND VOLTAGE
CONSIDERATIONS
on these pins should be avoided. Table 10-
Minimum Intended for indication.
Drive
High
OUTPUT DRIVE LEVELS
the
INPUT VOLTAGE LEVELS
Tolerated
Input
5.5V
V
DD
input
Suitable for direct LED drive
levels.
Only V
tolerated.
Tolerates input levels
above V
most standard logic.
capabilities.
DD
Description
. Voltage excursions
Description
DS39682E-page 97
DD
DD
DD
input levels.
input levels
, useful for
Refer
to