TA235 ST Microelectronics, Inc., TA235 Datasheet
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TA235
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TA235 Summary of contents
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FIRMWARE HUB (FWH): NEW GENERATION STORAGE FOR BIOS James Lee STMicroelectronics Inc. Lexington, MA, USA The traditional PC motherboard uses a chip-set containing two controllers, called the North Bridge and the South Bridge. Intel replaces these with the Hub. In ...
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TA 235 Figure 2. Firmware Hub Read Protocol CLK FWH4 FWH0-FWH3 START Number of 1 clock cycles Figure 3. Firmware Hub Write Protocol CLK FWH4 FWH0-FWH3 START Number of 1 clock cycles Firmware Hub Interface The FWH Interface features: a ...
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The software protection is a register based read and write protection in FWH interface mode. The registers can be altered to set the appropriate Locking to protect against piracy. Depending on the degree of protection required, the Lock Registers can ...
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TA 235 Figure 6. Address/Address Multiplexed Interface Write Protocol Write erase or program setup A0-A10 R1 tAVCL RC tWHWL tWLWH DQ0-DQ7 tPHWL RP The A/A Mux Interface bus operation is similar to a standard flash ...
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Figure 7. PLCC Connections A/A Mux DQ0 A/A Mux Figure 8. TSOP Connections A10 ...
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TA 235 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from ...