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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 1082 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 1082 Page - Freescale Semiconductor, Inc |
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1082 / 1348 page  Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2) MC9S12XDP512 Data Sheet, Rev. 2.21 1084 Freescale Semiconductor 26.3.2.7 EEPROM Command Register (ECMD) The ECMD register is the EEPROM command register. All CMDB bits are readable and writable during a command write sequence while bit 7 reads 0 and is not writable. 26.3.2.8 RESERVED3 This register is reserved for factory testing and is not accessible. All bits read 0 and are not writable. EEPROM Address Registers (EADDR) 76543210 R0 CMDB W Reset 00000000 = Unimplemented or Reserved Figure 26-11. EEPROM Command Register (ECMD) Table 26-8. ECMD Field Descriptions Field Description 6–0 CMDB[6:0] EEPROM Command Bits — Valid EEPROM commands are shown in Table 26-9. Writing any command other than those listed in Table 26-9 sets the ACCERR flag in the ESTAT register. Table 26-9. Valid EEPROM Command List CMDB[6:0] Command 0x05 Erase Verify 0x20 Word Program 0x40 Sector Erase 0x41 Mass Erase 0x47 Sector Erase Abort 0x60 Sector Modify 76543210 R 00000000 W Reset 00000000 = Unimplemented or Reserved Figure 26-12. RESERVED3 |
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