MC68HC908AS60MFN MOTOROLA [Motorola, Inc], MC68HC908AS60MFN Datasheet - Page 96
![no-image](/images/no-image-200.jpg)
MC68HC908AS60MFN
Manufacturer Part Number
MC68HC908AS60MFN
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AS60MFN.pdf
(454 pages)
- Current page: 96 of 454
- Download datasheet (6Mb)
EEPROM-1
6.4.7 EEPROM Control Register
Technical Data
96
NOTE:
Address:
In addition to the disabling of the program and erase operations on
memory locations $08F0–$08FF, the enabling of the protect option has
the following effects:
Once armed, the protect option is permanently enabled. As a
consequence, all functions in the EENVR will remain in the state they
were in immediately before the security was enabled.
This read/write register controls programming/erasing of the array.
EEBCLK — EEPROM Bus Clock Enable Bit
Reset:
Read:
Write:
•
•
•
•
•
This read/write bit determines which clock will be used to drive the
internal charge pump for programming/erasing. Reset clears this bit.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Bus clock drives charge pump.
0 = Internal RC oscillator drives charge pump.
Bulk and block erase modes are disabled.
Programming and erasing of the EENVR are disabled.
Unsecure locations ($0800–$08EF) can be erased using the
single byte erase function as normal.
Secured locations can be read as normal.
Writing to a secure location no longer qualifies as a valid EEPROM
write as detailed in
6.4.2 EEPROM Erasing
EEBCLK
$FE1D
Bit 7
Figure 6-1. EEPROM-1 Control Register (EECR1)
0
Go to: www.freescale.com
= Unimplemented
6
0
0
EEPROM-1
EEOFF
6.4.1 EEPROM Programming
5
0
note a.
EERAS1
4
0
EERAS0
3
0
MC68HC908AS60 — Rev. 1.0
EELAT
2
0
note b and
1
0
0
MOTOROLA
EEPGM
Bit 0
0
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