PIC18LF2539T-I/SO Microchip Technology, PIC18LF2539T-I/SO Datasheet - Page 89

• Manufacturer Part Number: PIC18LF2539T-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2539T-I/SO

• 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: 21
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 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: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 9-5:
FIGURE 9-6:
 2002 Microchip Technology Inc.
Note 1:
Note 1:
2:
2:
I/O pins have diode protection to V
To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (OPTION_REG<7>).
I/O pin has diode protection to V
To enable weak pull-ups, set the appropriate DDR bit(s) and clear the RBPU bit (INTCON2<7>).
BLOCK DIAGRAM OF RB2:RB0 PINS
BLOCK DIAGRAM OF RB3 PIN
RBPU
Data Bus
WR LATB or
WR PORTB
WR TRISB
RD TRISB
RD LATB
RD PORTB
(2)
RD TRIS
RBPU
Data Bus
WR Port
WR TRIS
RD Port
RB0/INT
TRIS Latch
Data Latch
(2)
D
D
CK
CK
DD
DD
and V
and V
Q
Q
TRIS Latch
Data Latch
D
D
CK
CK
Preliminary
SS
SS
.
.
Q
Q
Q
EN
D
Schmitt Trigger
Buffer
Q
‘1’
EN
D
TTL
Input
Buffer
V
V
V
N
P
P
SS
DD
DD
TTL
Input
Buffer
Weak
Pull-up
I/O pin
V
P
DD
(1)
Weak
Pull-up
PIC18FXX39
I/O pin
(1)
DS30485A-page 87