DEVICE OVERVIEW

The PIC16(L)F1454/5/9 are described within this data sheet. They are available in 14/20-pin packages.

Figure 1-1 shows a block diagram of the PIC16(L)F1454/5/9 devices. Tables 1-2, 1-3 and 1-4 show the pinout descriptions.

Reference Table 1-1 for peripherals available per device.

High-Performance RISC CPU:

• C Compiler Optimized Architecture

• Only 49 Instructions

• 14 Kbytes Linear Program Memory Addressing

• 1024 Bytes Linear Data Memory Addressing

• Operating Speed:

- DC – 48 MHz clock input

- DC – 83 ns instruction cycle

- Selectable 3x or 4x PLL for specific frequencies

• Interrupt Capability with Automatic Context Saving

• 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset

• Direct, Indirect and Relative Addressing modes:

- Two full 16-bit File Select Registers (FSRs) capable of accessing both data or program memory

- FSRs can read program and data memory

Special Microcontroller Features:

• Operating Voltage Range:

- 1.8V to 3.6V (PIC16LF145X)

- 2.3V to 5.5V (PIC16F145X)

• Self-Programmable under Software Control

• Power-on Reset (POR)

• Power-up Timer (PWRT)

• Programmable Brown-Out Reset (BOR)

• Low-Power BOR (LPBOR)

• Extended Watchdog Timer (WDT):

- Programmable period from 1 ms to 256s

• Programmable Code Protection

• In-Circuit Serial Programming™ (ICSP™) via Two Pins

• Enhanced Low-Voltage Programming (LVP)

• Power-Saving Sleep mode:

Universal Serial Bus (USB) Features:

• Self-Tuning from USB Host (eliminates need for external crystal)

• USB V2.0 Compliant SIE

• Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)

• Supports Control, Interrupt, Isochronous and Bulk Transfers

• Supports up to Eight Bidirectional Endpoints

• 512-Byte Dual Access RAM for USB

• Interrupt-on-Change (IOC) on D+/D- for USB Host Detection

• Configurable Internal Pull-up Resistors for use with USB

Extreme Low-Power Management PIC16LF145X with XLP:

• Sleep mode: 25 nA @ 1.8V, typical

• Watchdog Timer Current: 290 nA @ 1.8V, typical

• Timer1 Oscillator: 600 nA @ 32 kHz, typical

• Operating Current: 25 A/MHz @ 1.8V, typical

Flexible Oscillator Structure:

• 16 MHz Internal Oscillator Block:

- Factory calibrated to ±0.25, typical

- Software selectable frequency range from 16 MHz to 31 kHz

- Tunable to 0.25 across temperature range

- 48 MHz with 3x PLL

• 31 kHz Low-Power Internal Oscillator

• Clock Switching with run from:

- Primary Oscillator

- Secondary Oscillator (SOSC)

- Internal Oscillator

• Clock Reference Output:

- Clock Prescaler

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