MC9S12XD256MAL Datasheet, PDF (1075/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2)
The EEPROM module also contains a set of 12 control and status registers located between EEPROM
module base + 0x0000 and 0x000B. A summary of the EEPROM module registers is given in Table 26-2
while their accessibility is detailed in Section 26.3.2, “Register Descriptions”.
Table 26-2. EEPROM Register Map
Module
Base +
Register Name
0x0000
0x0001
0x0002
EEPROM Clock Divider Register (ECLKDIV)
RESERVED1¹
RESERVED2¹
0x0003
EEPROM Configuration Register (ECNFG)
0x0004
EEPROM Protection Register (EPROT)
0x0005
EEPROM Status Register (ESTAT)
0x0006
0x0007
0x0008
0x0009
0x000A
0x000B
EEPROM Command Register (ECMD)
RESERVED3¹
EEPROM High Address Register (EADDRHI)¹
EEPROM Low Address Register (EADDRLO)¹
EEPROM High Data Register (EDATAHI)¹
EEPROM Low Data Register (EDATALO)¹
1 _{Intended for factory test purposes only.}
Normal Mode
Access
R/W
R
R
R/W
R/W
R/W
R/W
R
R
R
R
R
Freescale Semiconductor
MC9S12XDP512 Data Sheet, Rev. 2.21
1077