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MCS3142-I/ST 数据表(PDF) 12 Page - Microchip Technology |
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MCS3142-I/ST 数据表(HTML) 12 Page - Microchip Technology |
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12 / 37 page  MCS3142 DS40001747A-page 12 2014 Microchip Technology Inc. TABLE 3-12: ULTIMATE KEELOQ® TECHNOLOGY SERIAL NUMBER CONFIGURATION REGISTERS Byte Address Bit Description Values 0x3E 7:0 Serial Number Least Significant eight bits of the serial number 0x3F 7:0 Byte 1 of the serial number 0x40 7:0 Byte 2 of the serial number 0x41 7:0 Most Significant eight bits of the serial number TABLE 3-13: ULTIMATE KEELOQ® TECHNOLOGY AUTHORIZATION KEY CONFIGURATION REGISTERS Byte Address Bit Description Values 0x44 7:0 Authorization Key Least Significant eight bits of the authorization key 0x45 7:0 Byte 1 of the authorization key 0x46 7:0 Byte 2 of the authorization key 0x47 7:0 Byte 3 of the authorization key 0x48 7:0 Byte 4 of the authorization key 0x49 7:0 Byte 5 of the authorization key 0x4A 7:0 Byte 6 of the authorization key 0x4B 7:0 Byte 7 of the authorization key 0x4C 7:0 Byte 8 of the authorization key 0x4D 7:0 Byte 9 of the authorization key 0x4E 7:0 Byte 10 of the authorization key 0x4F 7:0 Byte 11 of the authorization key 0x50 7:0 Byte 12 of the authorization key 0x51 7:0 Byte 13 of the authorization key 0x52 7:0 Byte 14 of the authorization key 0x53 7:0 Most Significant eight bits of the authorization key TABLE 3-14: ULTIMATE KEELOQ® TECHNOLOGY ENCODER CONFIGURATION REGISTERS Byte Address Bit Description Values 0x54 7:6 Seed Option 00 = No seed 01 = Limited and immediate 10 = Permanent and delayed 11 = Permanent and immediate 5:2 Reserved Leave ‘0000’ 1:0 Time Element Clock Prescaler 00 = 1:1 01 = 1:4 10 = 1:16 11 = 1:64 |
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