PIC24FJ64GL306-E/PT
PIC24FJ64GL306-E/PT - 16-bit 32MHz 64KB Flash MCU | Microchip
The Microchip Technology PIC24FJ64GL306-E/PT is a 16-bit PIC® XLP™ 24F microcontroller running at 32 MHz with 64 KB ECC Flash, 8 KB RAM, and an integrated segmented LCD controller with charge pump, housed in a 64-pin TQFP (10x10 mm) package. The 'GL' family extends eXtreme Low-Power performance with Core Independent Peripherals (CIPs) and core independent animation of segmented displays up to 256 segments (8 commons x 32 segments).
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (typically Flash), RAM, and a mix of peripherals such as timers, communication interfaces (UART, SPI, I²C), ADCs, and increasingly application-specific blocks like LCD drivers. Within the broader hierarchy, PIC24F devices sit in the 16-bit MCU class (above 8-bit PIC MCUs and below 32-bit SAM/SAMD Cortex-M parts), and within Microchip's portfolio they are positioned for ultra-low-power (XLP) applications that still need more compute than an 8-bit core can deliver. The 'GL' suffix specifically denotes the LCD-driver variants targeting battery-powered, glass-segment user interfaces.
Key features include 16 MIPS performance at 32 MHz, 52 general-purpose I/O pins, dedicated LCD segment/commons pins, an on-chip charge pump for LCD contrast management in low-battery conditions, and CIPs that allow autonomous animation (alternating dual display, blinking, blanking) without CPU intervention. Sleep current drops to a few hundred nanoamps while retaining RAM and most register state - one of the headline claims of the XLP family. The device also integrates multiple 16-bit timers, a 12-bit ADC, comparators, PWM/SCCP/MCCP, RTCC, and serial interfaces.
Architecturally, the PIC24FJ64GL306 uses a modified Harvard architecture with 16-bit instructions and 24-bit data path, 17x17 hardware multiplier, and 32-bit divides, giving it roughly 1.5 DMIPS/MHz efficiency versus 1 DMIPS/MHz for classic 8-bit PICs. The integrated charge pump lets the LCD bias voltage remain stable even as VDD drops, simplifying the analog power tree for battery-powered consumer devices.
Typical applications include home appliances with segmented LCD front panels (ovens, washing machines), portable medical monitors, utility meters, e-bike dashboards, and IoT sensor nodes with integrated displays. The combination of low sleep current and rich CIP support makes it a strong fit for user-interface-heavy, battery-operated products.
When designing with this MCU, route multiple VDD/VSS pairs directly to their respective pins with short, wide traces and place decoupling capacitors within 2 mm of each VDD pin. The PGECx/PGEDx pair used for in-circuit serial programming must be brought out to a programming header; northernsoftware.com notes that for PIC24FJ64GL306 you must use them as a pair and connect every VSS/VDD pin to avoid programming failures.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC24FJ GL family, application notes for segmented LCD designs, and practical layout guidance not consolidated in the manufacturer datasheet.
견적 요청
문의하기