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ST62T60CM3 データシート(PDF) 7 Page - STMicroelectronics |
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ST62T60CM3 データシート(HTML) 7 Page - STMicroelectronics |
7 / 83 page 7/83 ST6253C ST6263C ST6263B ST6260C ST6260B MEMORY MAP (Cont’d) 1.3.2 Program Space Program Space comprises the instructions to be executed, the data required for immediate ad- dressing mode instructions, the reserved factory test area and the user vectors. Program Space is addressed via the 12-bit Program Counter register (PC register). 1.3.2.1 Program Memory Protection The Program Memory in OTP or EPROM devices can be protected against external readout of mem- ory by selecting the READOUT PROTECTION op- tion in the option byte. Figure 4ST62E60C/T60C Program Memory Map In the EPROM parts, READOUT PROTECTION option can be disactivated only by U.V. erasure that also results into the whole EPROM context erasure. Note: Once the Readout Protection is activated, it is no longer possible, even for STMicroelectronics, to gain access to the OTP contents. Returned parts with a protection set can therefore not be ac- cepted. Figure 5ST62T53C/T63C Program Memory Map 0000h RESERVED* USER PROGRAM MEMORY (OTP/EPROM) 3872 BYTES 0F9Fh 0FA0h 0FEFh 0FF0h 0FF7h 0FF8h 0FFBh 0FFCh 0FFDh 0FFEh 0FFFh RESERVED* RESERVED INTERRUPT VECTORS NMI VECTOR USER RESET VECTOR 0080h (*) Reserved areas should be filled with 0FFh 007Fh 0000h RESERVED* USER PROGRAM MEMORY (OTP) 1824 BYTES 0F9Fh 0FA0h 0FEFh 0FF0h 0FF7h 0FF8h 0FFBh 0FFCh 0FFDh 0FFEh 0FFFh RESERVED* RESERVED INTERRUPT VECTORS NMI VECTOR USER RESET VECTOR 087Fh (*) Reserved areas should be filled with 0FFh 0880h |
同様の部品番号 - ST62T60CM3 |
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同様の説明 - ST62T60CM3 |
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