user manual

Block Guide — S12EETX4KV0 V00.04
5
List of Figures
Figure 1-1 Module Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 3-1 EEPROM Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 3-2 EEPROM Clock Divider Register (ECLKDIV) . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 3-3 RESERVED1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 3-4 RESERVED2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 3-5 EEPROM Configuration Register (ECNFG) . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 3-6 EEPROM Protection Register (EPROT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 3-7 EEPROM Status Register (ESTAT). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 3-8 EEPROM Command Register (ECMD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 3-9 RESERVED3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 3-10 EEPROM Address High Register (EADDRHI). . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 3-11 EEPROM Address Low Register (EADDRLO) . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 3-12 EEPROM Data High Register (EDATAHI). . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 3-13 EEPROM Data Low Register (EDATALO) . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 4-1 Determination Procedure for PRDIV8 and EDIV Bits . . . . . . . . . . . . . . . . . . 27
Figure 4-2 Example Erase Verify Command Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 4-3 Example Program Command Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 4-4 Example Sector Erase Command Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 4-5 Example Mass Erase Command Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 4-6 Example Sector Erase Abort Command Flow . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 4-7 Example Sector Modify Command Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 4-8 EEPROM Interrupt Implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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