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PM0020 データシート(PDF) 72 Page - STMicroelectronics |
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PM0020 データシート(HTML) 72 Page - STMicroelectronics |
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72 / 87 page  ISC logic description PM00020 72/87 12.5.10 ISC CONFIGURATION Description: Shift out sector protect and bits and CSx and LVD configuration, Lock OTP bit. Requirement: None Register: Configuration Shift-In: 64 bits don't care Shift-Out: 64 bits Configuration Mode: ISC and PSD Security: Fully functional Sector-Protect protects the Main and Secondary Flash from being programmed/erased by the controller. Once ISC is active, Sector-Protect has no impact on ISC. ISC can write to any sector regardless of protection status. Note that this is different from security. Configuration info is loaded upon power up to be read out during ISC_CONFIGURATION instruction. Table 35. ISC CONFIGURATION sequence Step Tap activity Comment 0 Run-Test/Idle Start 1 IR-Scan Load ISC-CONFIGURATION 2DR-Scan Shift out sector protect, Csx, LVD configuration bits and Lock OTP information 3 Run-Test/Idle End |
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