Microchip PIC16F 系列 8 bit PIC MCU PIC16LF1902-I/SP, 20MHz, 3.5 kB ROM 闪存, 128 B RAM, SPDIP-28

PIC16LF1902/1903 8-Bit Flash Microcontrollers

The PIC16F range of microcontrollers from Microchip are 8-bit MCUs that incorporate Microchip’s PIC? architecture into a variety of pin and package options, from space efficient 14-pin devices to feature-rich 64-pin devices. Devices with Baseline, Mid-Range or Enhanced Mid-Range architecture are available with numerous different peripheral combinations, giving designers flexibility and choice for their applications.

The PIC16LF1902/1903 family of microcontrollers is based upon Microchip’s enhanced mid-range core with a 16 level deep hardware stack and 49 instructions. These MCUs provide up to 5 MIPS, up to 7 Kbytes program memory with RAM up to 256 bytes. On board is a configurable oscillator.

Microcontroller Features

20 MHz Max. CPU Speed
49 Instructions
16 Level Hardware Stack
Internal Oscillator – Selectable Frequency Range 16 MHz to 31.25 kHz
25 I/O Pins
XLP Technology
Power-On Reset (POR)
Power-Up Timer (PWRT)
Oscillator Start-Up Timer (OST)
Brown-Out Reset (BOR)
Extended Watchdog Timer (WDT)
Enhanced Low-Voltage Programming (LVP)
In-Circuit Serial Programming (ICSP)

Peripherals

Integrated LCD Driver – 72 Segment
11 Channel 10-bit Analogue to Digital Converter (ADC)
One 8-bit Timer
One 16-bit Timer
Fixed Voltage Reference (FVR)