Motorola MC68HC908AB32 - Features; EEPROM IO Register Summary

EEPROM
Technical Data MC68HC908AB32 — Rev. 1.0
70 EEPROM MOTOROLA
5.3 Features
Features of the EEPROM include the following:
• 512 bytes non-volatile memory
• Byte, block or bulk erasable operations
• Non-volatile EEPROM configuration and block protection options
• On-chip charge pump for programming/erasing
• Security option
Addr. Register Name Bit 7 654321Bit 0
$FE10
EEDIV Non-volatile
Register High
(EEDIVHNVR)*
Read:
EEDIVSECD
RRRREEDIV10 EEDIV9 EEDIV8
Write:
Reset: Unaffected by reset; $FF when blank
$FE11
EEDIV Non-volatile
Register Low
(EEDIVLNVR)*
Read:
EEDIV7 EEDIV6 EEDIV5 EEDIV4 EEDIV3 EEDIV2 EEDIV1 EEDIV0
Write:
Reset: Unaffected by reset; $FF when blank
$FE1A
EE Divider Register High
(EEDIVH)
Read:
EEDIVSECD
RRRREEDIV10 EEDIV9 EEDIV8
Write:
Reset: Contents of EEDIVHNVR ($FE10)
$FE1B
EE Divider Register Low
(EEDIVL)
Read:
EEDIV7 EEDIV6 EEDIV5 EEDIV4 EEDIV3 EEDIV2 EEDIV1 EEDIV0
Write:
Reset: Contents of EEDIVLNVR ($FE11)
$FE1C
EEPROM Non-volatile
Register
(EENVR)*
Read:
CON3 CON2 CON1 EEPRTCT EEBP3 EEBP2 EEBP1 EEBP0
Write:
Reset: Unaffected by reset; $FF when blank; factory programmed $10
$FE1D
EEPROM Control Register
(EECR)
Read:
EEDUM
0
EEOFF EERAS1 EERAS0 EELAT AUTO EEPGM
Write:
Reset: 00000000
$FE1F
EEPROM Array
Configuration Register
(EEACR)
Read: CON3 CON2 CON1 EEPRTCT EEBP3 EEBP2 EEBP1 EEBP0
Write:
Reset: Contents of EENVR ($FE1C)
* Non-volatile EEPROM register; write by programming.
= Unimplemented R = Reserved
Figure 5-1. EEPROM I/O Register Summary