PIC16F1454中文資料微芯科技數(shù)據(jù)手冊(cè)PDF規(guī)格書

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

- CLKOUT (Continue....)