ICE40LP8K-CM81

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ICE40LP8K-CM81

IC FPGA 63 I/O 81UCBGA

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規格

Supplier Lattice Semiconductor Corporation
Package Tray
Series iCE40™ LP
ProductStatus Active
NumberofLABs/CLBs 960
NumberofLogicElements/Cells 7680
TotalRAMBits 131072
NumberofI/O 63
Voltage-Supply 1.14V ~ 1.26V
MountingType Surface Mount
OperatingTemperature -40°C ~ 100°C (TJ)
Package/Case 81-VFBGA

概述

Description

iCE40LP8K-CM81 is Lattice’s ultra-low-power FPGA from the iCE40LP family. It provides about 8K logic elements in a compact 81-ball CM package, aimed at cost- and power-sensitive embedded designs needing glue logic, small accelerators, or IO expansion rather than high-end DSP.
Key points
- Fabric: LUT-based logic with flip-flops, plus on-chip RAM blocks and small PLLs.
- I/O: multiple banks supporting common CMOS levels (roughly 1.2–3.3 V).
- Power and footprint: designed for very low power in a small form factor.
- Configuration: bitstreams typically loaded from SPI flash or via JTAG, depending on board design.
- Toolchain: supported by Lattice tools (legacy iCEcube2) and widely used open-source flows (Yosys + NextPNR-ICE40, icepack, icetime).
- Package: CM81 = 81-ball core package.
Typical use: prototyping, USB/sensor interfaces, glue logic, tiny embedded accelerators. Compared with larger FPGAs, it trades resources for lower power and cost, with simpler tooling.

Features

Here are the main features of the iCE40LP8K-CM81:
- 8K logic elements (LEs) in SRAM-based fabric (LUT-FF pairs)
- 81-ball CM81 package (compact BGA) with a generous number of user I/Os
- No dedicated BRAM; uses distributed RAM and LUT RAM for on-chip memory
- Clocking: built-in clocking resources (PLL options) for flexible clock generation
- I/O: multiple I/O banks with configurable voltage levels (Vcco per bank; 3.3V/2.5V/1.8V typically supported depending on bank)
- SPI-like configuration interface for programming (simple config via SPI)
- Low-power operation, suitable for battery-powered and cost-sensitive designs
- Small form-factor and low cost, ideal for glue logic, small controllers, and I/O expansion
- Toolchain support: Lattice tools (iCEcube2) and open-source flows (iCEstorm)
Note: exact IO count per package variant and voltage/PLL specifics can vary; consult the latest datasheet for precise numbers for CM81.

Package

CSBGA81 — an 81-ball CSBGA (ball-grid array) package.

Pinout

- Pin count: 81 pins (CM81 package)
- Function: iCE40LP8K is a low-power FPGA with 8K logic elements (LUT-based) from the Lattice iCE40LP family, used for compact programmable logic designs.

Manufacturer

- Manufacturer: Lattice Semiconductor Corporation.
- What kind of company: A US-based fabless semiconductor company that designs and markets programmable logic devices (FPGAs, CPLDs) and related IP, outsourcing fabrication to foundries.

Application

Key application areas for ICE40LP8K-CM81:
- Ultra-small, low-power embedded systems and consumer electronics (tiny form factor).
- Glue logic and peripheral interfacing (GPIO, I2C/SPI/UART, memory controllers, level shifting).
- Lightweight DSP/bit-level processing, PWM for LED drivers, motor control, and data acquisition.
- Prototyping, education, hobbyist projects, IoT edge devices, wearables, and other compact controllers (81‑ball CM81 package).

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