S912XHZ512F1VAG Datasheet, PDF (185/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 4 4 Kbyte EEPROM Module (S12XEETX4KV2)
4.3.2.7 EEPROM Command Register (ECMD)
The ECMD register is the EEPROM command register.
Module Base + 0x0006
7
6
5
4
3
2
1
0
R
0
W
CMDB
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 4-11. EEPROM Command Register (ECMD)
All CMDB bits are readable and writable during a command write sequence while bit 7 reads 0 and is not
writable.
Table 4-7. ECMD Field Descriptions
Field
Description
6:0
EEPROM Command Bits — Valid EEPROM commands are shown in Table 4-8. Writing any command other
CMDB[6:0] than those listed in Table 4-8 sets the ACCERR flag in the ESTAT register.
Table 4-8. Valid EEPROM Command List
CMDB[6:0]
0x05
0x20
0x40
0x41
0x47
0x60
Command
Erase Verify
Word Program
Sector Erase
Mass Erase
Sector Erase Abort
Sector Modify
4.3.2.8 RESERVED3
This register is reserved for factory testing and is not accessible.
Module Base + 0x0007
7
6
5
4
3
2
1
0
R
0
0
0
0
0
0
0
0
W
Reset
0
0
0
0
0
0
0
0
= Unimplemented or Reserved
Figure 4-12. RESERVED3
MC9S12XHZ512 Data Sheet, Rev. 1.06
Freescale Semiconductor
185