PIC18F45K20T-I/MV Microchip Technology, PIC18F45K20T-I/MV Datasheet - Page 39

• Manufacturer Part Number: PIC18F45K20T-I/MV
• Description: 32KB, Flash, 1536bytes-RAM, 36I/O, 8-bit Family,nanowatt XLP 40 UQFN 5x5x0.5mm T
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F45K20T-I/MV

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 64MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-UFQFN Exposed Pad
• Processor Series: PIC18
• Core: PIC18F
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: I2C, SPI, SCI, USB, MSSP, RJ11
• Maximum Clock Frequency: 64 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 4
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: MPLAB Integrated Development Environment
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Supply Current (max): 14 uA
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC18F2XK20/4XK20
FIGURE 2-7:
CLOCK SWITCH TIMING
High Speed
Low Speed
Old Clock
(1)
Start-up Time
Clock Sync
Running
New Clock
New Clk Ready
IRCF <2:0>
Select Old
Select New
System Clock
Low Speed
High Speed
Old Clock
(1)
Start-up Time
Clock Sync
Running
New Clock
New Clk Ready
Select Old
Select New
IRCF <2:0>
System Clock
Note 1: Start-up time includes T
(1024 T
) for external clocks, plus T
(approx. 2 ms) for HSPLL mode.
OST
OSC
PLL
 2010 Microchip Technology Inc.
DS41303G-page 39