An Asynchronous Circuit Design Technique For A Flexible 8-Bit Microprocessor
IEICE TRANSACTIONS ON ELECTRONICS(2008)
摘要
This paper presents an asynchronous design technique, an enabler for the emerging technology of flexible microelectronics that feature low-temperature processed polysilicon (LTPS) thin-film transistors (TFT) and surface-free technology by laser annealing/ablation (SUFTLA (R)). The first design instance chosen is an 8-bit microprocessor. LTPS TFTs are good for realizing displays having integrated VLSI circuit at lower costs. However, LTPS TFTs have drawbacks, including substantial deviations in characteristics and the self-heating phenomenon. To solve these problems, the authors adopted the asynchronous circuit design technique and developed an asynchronous design language called Verilog+, which is based on a subset of Verilog HDL (R) and includes minimal primitives used for describing the communications between modules, and the dedicated tools including a translator called xlator and a synthesizer called ctrlsyn. The flexible 8-bit microprocessor stably operates at 500 kHz, drawing 180 mu A from a 5 V power source. The microprocessor's electromagnetic emissions are 21 dB less than those of the synchronous counterpart.
更多查看译文
关键词
asynchronous circuit design, Verilog, flexible microelectronics, LTPS TFT, SUFTLA (R), VLSI, self-heating, deviation in switching delay, QDI, 4-phase handshaking
AI 理解论文
溯源树
样例
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要