, , . , (. 7.23, 7.24, . 7.29). EEPROM, FRAM -. EEPROM - ; . (). FRAM ( RAM). , ( , ROM). -: WP# Write Protect, WC Write Control, PP Programm Protect. [0:2], CS#, . S[0:2], (S1) .
. 7.23. EEPROM I²C: 24, 24F016, 24F128, X76F041
. 7.24. FRAM: FM24C256, FM25640
7.29.
24001, 2401 | 16×8, 128×8 | 7.23, | I²C. 1, 2, 3, 7 = NC |
2402, 24164 | 256×8, 2 ×8 | 7.23, | I²C |
24F016 | 2 ×8 | 7.23, | I²C |
24F128 | 16 ×8 | 7.23, | I²C |
X76F041 | 512×8 | 7.23, | I²C |
FM24C04, FM24C16, FM24C64, FM24C256 | 512×8, 2 ×8, 8 ×8, 32 ×8 | 7.24, | I²C |
FM25040, FM25160, FM25256 | 512×8, 2 ×8, 64 ×8 | 7.24, | SPI |
EEPROM 24C02 I²C 256 DIMM-168 , DIMM-184 SODIMM-144.
I²C (Security Devices). , X76F041, 4 128 , 64- , . ( ). ( ) ( , , , ). , . , .
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- ; , , , , . IBM PC I²C ( SMBus, . . 11.1.3). (, FPGA Altera), , PC. ( , ) ( ) . , , , LPT-.
I²C, SPI (Microwire) , 2-, 3- 4- ( , ). ( ), .