PIC18LF4458-I/PT Microchip Technology, PIC18LF4458-I/PT Datasheet - Page 16

• Manufacturer Part Number: PIC18LF4458-I/PT
• Description: 24KB Flash, 2KB RAM, 256 Bytes EEPROM, 35 I/O, USB, 12bit ADC 44 TQFP 10x10x1mm
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF4458-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 13x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2458/2553/4458/4553
TABLE 1-3:
DS39887C-page 16
RA0/AN0
RA1/AN1
RA2/AN2/V
CV
RA3/AN3/V
RA4/T0CKI/C1OUT/
RCV
RA5/AN4/SS/
HLVDIN/C2OUT
RA6
Legend: TTL = TTL compatible input
Note 1:
REF
RA0
AN0
RA1
AN1
RA2
AN2
V
CV
RA3
AN3
V
RA4
T0CKI
C1OUT
RCV
RA5
AN4
SS
HLVDIN
C2OUT
REF
REF
2:
3:
Pin Name
REF
-
+
ST = Schmitt Trigger input with CMOS levels
O
Alternate assignment for CCP2 when CCP2MX Configuration bit is cleared.
Default assignment for CCP2 when CCP2MX Configuration bit is set.
These pins are No Connect unless the ICPRT Configuration bit is set. For NC/ICPORTS, the pin is No
Connect unless ICPRT is set and the DEBUG Configuration bit is cleared.
REF
REF
-/
+
= Output
PIC18F4458/4553 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP QFN TQFP
—
2
3
4
5
6
7
Pin Number
19
20
21
22
23
24
—
19
20
21
22
23
24
—
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
—
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
—
—
—
CMOS = CMOS compatible input or output
I
P
PORTA is a bidirectional I/O port.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Analog comparator reference output.
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Digital I/O.
Timer0 external clock input.
Comparator 1 output.
External USB transceiver RCV input.
Digital I/O.
Analog input 4.
SPI slave select input.
High/Low-Voltage Detect input.
Comparator 2 output.
See the OSC2/CLKO/RA6 pin.
= Input
= Power
Description
© 2009 Microchip Technology Inc.