Table 2: MCP Part Number Information
Note: 1.The last digit is assigned randomly to cover packaging media, features, or other specific configuration infor-mation. Sample part number: RC48F4400P0VB0E*
Table 3: Discrete and MCP Part Combinationsifo
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Signal Descriptions
Table 7: TSOP and Easy BGA Signal Descriptions
Table 7: TSOP and Easy BGA Signal Descriptions (Continued)
Table 8: QUAD+ SCSP Signal Descriptions
Table 8: QUAD+ SCSP Signal Descriptions (Continued)
One-Time Programmable Registers
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Read OTP Registers
先生英语The device contains 17 OTP registers that can be ud to implement system curity measures and/or device identification. Each OTP register can be individually locked.The first 128-bit OTP register is comprid of two 64-bit (8-word) gments. The lower 64-bit gment is preprogrammed at the Micron factory with a unique 64-bit number.The upper 64-bit gment, as well as the other sixteen 128-bit OTP registers, are blank.Urs can program them as needed. Once programmed, urs can also lock the OTP register(s) to prevent additional bit programming (e the OTP Register Map figure be-low).
The OTP registers contain OTP bits; when programmed, PR bits cannot be erad. Each OTP register can be accesd multiple times to program individual bits, as long as the register remains unlocked.四级查询入口
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Each OTP register has an associated lock register bit. When a lock register bit is pro-grammed, the associated OTP register can only be read; it can no longer be program-med. Additionally, becau the lock register bits themlves are OTP , when program-med, they cannot be erad. Therefore, wdrugs
hen an OTP register is locked, it cannot be un-locked.
The OTP registers can be read from an OTP-RA address. To read the OTP register, a READ DEVICE IDENTIFIER command is issued at an OTP-RA address to place the de-vice in the read device identifier state. Next, a READ operation is performed using the address offt corresponding to the register to be read. The Device Identifier Informa-tion table shows the address offts of the OTP registers and lock registers. PR data is read 16 bits at a time.英文 翻译
256Mb and 512Mb (256Mb/256Mb), P30-65nm One-Time Programmable Registers
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