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DSM2180F3 数据表(PDF) 6 Page - STMicroelectronics |
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DSM2180F3 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 63 page ![]() DSM2180F3 6/63 A programmable security bit in the DSM protects its contents from unauthorized viewing and copy- ing. When set, the security bit will block access of programming devices (JTAG or others) to the DSM Flash memory and PLD configuration. The only way to defeat the security bit is to erase the entire DSM device, after which the device is blank and may be used again. The DSP will always have access to Flash memory contents through the 8-bit data port even while the security bit is set. Table 1. DSM2180F3 DSP Memory System Devices Table 2. Compatible Analog Devices DSPs Part Number ISP Flash Memory Flash Partitioning PLD I/O Ports VCC and I/O Mem Speed DSM2180F3-90 128K Bytes Eight 16K Byte Sectors 16 macro cells Up to 16 5V ±10% 90 ns DSP Part Numbers Operating Voltage, VCC I/O Capability ADSP- 2181, 2184, 2185, 2186 5.0 5.0V |
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