PIC18LF4450T-I/ML Microchip Technology, PIC18LF4450T-I/ML Datasheet - Page 31

• Manufacturer Part Number: PIC18LF4450T-I/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,44PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF4450T-I/ML

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: UART/USART, USB
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 2-3:
© 2008 Microchip Technology Inc.
Legend:
Note 1:
Input Oscillator
Frequency
12 MHz
8 MHz
4 MHz
All clock frequencies, except 24 MHz, are exclusively associated with full-speed USB operation (USB clock of 48 MHz).
Bold is used to highlight clock selections that are compatible with low-speed USB operation (system clock of 24 MHz,
USB clock of 6 MHz).
Only valid when the USBDIV Configuration bit is cleared.
OSCILLATOR CONFIGURATION OPTIONS FOR USB OPERATION (CONTINUED)
(PLLDIV2:PLLDIV0)
PLL Division
÷3 (010)
÷2 (001)
÷1 (000)
HSPLL, ECPLL, XTPLL,
HSPLL, ECPLL, ECPIO
HSPLL, ECPLL, ECPIO
XT, HS, EC, ECIO
(FOSC3:FOSC0)
HS, EC, ECIO
HS, EC, ECIO
Clock Mode
ECPIO
(CPUDIV1:CPUDIV0)
PIC18F2450/4450
MCU Clock Division
None (00)
None (00)
None (00)
÷2 (01)
÷3 (10)
÷4 (11)
÷2 (00)
÷3 (01)
÷4 (10)
÷6 (11)
÷2 (01)
÷3 (10)
÷4 (11)
÷2 (00)
÷3 (01)
÷4 (10)
÷6 (11)
÷2 (01)
÷3 (10)
÷4 (11)
÷2 (00)
÷3 (01)
÷4 (10)
÷6 (11)
Clock Frequency
Microcontroller
DS39760D-page 29
2.67 MHz
1.33 MHz
12 MHz
48 MHz
32 MHz
24 MHz
16 MHz
48 MHz
32 MHz
24 MHz
16 MHz
48 MHz
32 MHz
24 MHz
16 MHz
6 MHz
4 MHz
3 MHz
8 MHz
4 MHz
2 MHz
4 MHz
2 MHz
1 MHz