在SOPC里实现了频谱分析，包括加窗和2048点FFT及功率计算

X24C02是CMOS 2048位串行E PROM，在内部组织成256×8位。X24C02的特点是具有允许在简单的二线总线上工作的串行接口和软件协议。 -X24C02 is a CMOS 2048 bit serial E PROM, internally organized into 256 × 8 bit. X24C02 features allow a simple work of second-line serial bus interface and software protocol

Routines in C for Graphic LCD with T6963C controller. This sets the user CG ram (Character Generator ram) to ram block 3 (blocks are 2048 bytes size), so that custom text chars can be used. Then it stores BIG digit text characters in the CGram,