s908az32ag2cfue Freescale Semiconductor, Inc, s908az32ag2cfue Datasheet - Page 59

• Manufacturer Part Number: s908az32ag2cfue
• Description: M68hc08 Microcontrollers 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

5.5.3 EEPROM Nonvolatile Register
The contents of this register is loaded into the EEPROM array configuration register (EEACR) after a
reset.
This register is erased and programmed in the same way as an EEPROM byte. (See
Control Register
Freescale Semiconductor
Address Range
$0880 - $08EF
$08F0 - $08FF
$0800 - $087F
$0900 - $097F
$0980 - $09FF
Address:
The EENVR will leave the factory programmed with $F0 such that the full
array is available and unprotected.
Reset:
Read:
Write:
for individual bit descriptions).
EEBP0 = 0
EEBP0 = 1
EEBP1 = 0
EEBP1 = 1
EEBP1 = 0
EEBP1 = 1
EEBP2 = 0
EEBP2 = 1
EEBP3 = 0
EEBP3 = 1
PV = Programmed value or 1 in the erased state.
EEBPx
Table 5-5. EEPROM Block Protect and Security Summary
UNUSED
$FE1C
Bit 7
Figure 5-4. EEPROM Nonvolatile Register (EENVR)
Block Number (EEBPx)
Table 5-4. EEPROM Block Protection Bits
UNUSED
EEBP0
EEBP1
EEBP2
EEBP3
6
Bulk, Block and Byte Erasing Available
Bulk, Block and Byte Erasing Available
Bulk, Block and Byte Erasing Available
Bulk, Block and Byte Erasing Available
MC68HC908AZ32A Data Sheet, Rev. 2
Bulk, Block and Byte Available
Byte Programming Available
Byte Programming Available
Byte Programming Available
Byte Programming Available
Byte Programming Available
UNUSED
5
EEPRTCT = 1
Protected
Protected
Protected
Protected
Protected
EEPRTCT
NOTE
4
PV
EEBP3
Address Range
$0800–$087F
$0880–$08FF
$0900–$097F
$0980–$09FF
3
EEBP2
2
(No Programming or Erasing)
Byte Programming Available
Byte Programming Available
Byte Programming Available
Byte Programming Available
Only Byte Erasing Available
Only Byte Erasing Available
Only Byte Erasing Available
Only Byte Erasing Available
EEPROM Register Descriptions
EEBP1
1
EEPRTCT = 0
Protected
Protected
Protected
Protected
Secured
5.5.1 EEPROM
EEBP0
Bit 0
59