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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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P80C32EBAA датащи(PDF) 58 Page - NXP Semiconductors |
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P80C32EBAA датащи(HTML) 58 Page - NXP Semiconductors |
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58 / 62 page  Philips Semiconductors Product specification 80C52/80C54/80C58 CMOS single-chip 8-bit microcontrollers 1996 Aug 16 28 80C58 ROM CODE SUBMISSION When submitting ROM code for the 80C58, the following must be specified: 1. 32k byte user ROM data 2. 64 byte ROM encryption key 3. ROM security bits. If submitting a file, the format is as follows: ADDRESS CONTENT BIT(S) COMMENT 0000H to 7FFFH DATA 7:0 User ROM Data 8000H to 801FH KEY 7:0 ROM Encryption Key FFH = no encryption 8020H SEC 0 ROM Security Bit 1 0 = enable security 1 = disable security 8020H SEC 1 ROM Security Bit 2 0 = enable security 1 = disable security Security Bit 1: When programmed, this bit has two effects on masked ROM parts: 1. External MOVC is disabled, and 2. EA is latched on Reset. Security Bit 2: When programmed, this bit inhibits Verify User ROM. If the ROM code file does not include the options, the following information must be included with the ROM code. For each of the following check the appropriate box and send to Philips along with the code: Security Bit #1: V Enabled V Disabled Security Bit #2: V Enabled V Disabled Encryption: V No V Yes If Yes, must send key file. |
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