说明：  ARM7 s3c44b0x 的电路原理图。 这是一个ARM7 系统的原理图，所有使用芯片都标注的清清楚楚。 共有2个图，这是1
(ARM7 s3c44b0x the circuit diagram. This is an ARM7 system diagram, the use of all the chips are clearly marked. A total of two plans, this is a)