PC912XDP512F0MPVR datasheet(1075/1348 Pages) FREESCALE

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Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2)

MC9S12XDP512 Data Sheet, Rev. 2.21

Freescale Semiconductor

1077

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 +

Normal Mode

Access

0x0000

EEPROM Clock Divider Register (ECLKDIV)

R/W

0x0001

RESERVED11

1 Intended for factory test purposes only.

0x0002

RESERVED21

0x0003

EEPROM Conﬁguration Register (ECNFG)

R/W

0x0004

EEPROM Protection Register (EPROT)

R/W

0x0005

EEPROM Status Register (ESTAT)

R/W

0x0006

EEPROM Command Register (ECMD)

R/W

0x0007

RESERVED31

0x0008

EEPROM High Address Register (EADDRHI)1

0x0009

EEPROM Low Address Register (EADDRLO)1

0x000A

EEPROM High Data Register (EDATAHI)1

0x000B

EEPROM Low Data Register (EDATALO)1

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