Radio multi-hopping network audio frequency, data transmission nodal equipment
A data transmission node, wireless multi-hop network technology, applied in transmission systems, data exchange through path configuration, electrical components, etc., can solve the problems of poor anti-destruction ability, poor anti-destroy ability and mobility, and difficult deployment of wireless networks. , to achieve the effect of strong adaptability, effective control and management
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[0067] The platform of the device is a complete ARM embedded Linux development platform, and its hardware system schematic diagram is as follows figure 1 As shown, it mainly includes the following components:
[0068] 1. Samsung ARM920T core processor S3C2410A, S3C2410A is a 32-bit low-power RISC macro unit, which integrates 16KB instruction cache and data cache, LCD controller, NAND Flash Boot Loader, system manager, 3-way UART, 4 DMA, 4-way PWM and 1 internal clock controller, 8-way 10-bit ADC and touch screen interface, programmable general-purpose I / O port, and I2C and I2S bus interface, USB Host / USB Device interface, etc., with It has SD Host and multimedia card interface, and has a very rich on-chip and peripheral, which greatly simplifies the system design.
[0069] 2. Memory, including 2MB NOR Flash, used to solidify test programs, such as USB DEVICE monitoring program, LCD test program and other system hardware peripheral test programs, the program is compiled by ADS...
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