MC68HC908GZ8 FREESCALE [Freescale Semiconductor, Inc], MC68HC908GZ8 Datasheet - Page 39
![no-image](/images/no-image-200.jpg)
MC68HC908GZ8
Manufacturer Part Number
MC68HC908GZ8
Description
M68HC08 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC908GZ8.pdf
(314 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908GZ8CFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68HC908GZ8MFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68HC908GZ8MFJ
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68HC908GZ8VFA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC68HC908GZ8VFJ
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 39 of 314
- Download datasheet (5Mb)
The address ranges for the user memory and vectors are:
Programming tools are available from Freescale Semiconductor. Contact your local representative for
more information.
2.6.2 FLASH Control Register
The FLASH control register (FLCR) controls FLASH program and erase operations.
HVEN — High-Voltage Enable Bit
MASS — Mass Erase Control Bit
ERASE — Erase Control Bit
PGM — Program Control Bit
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the FLASH difficult for
Freescale Semiconductor
unauthorized users.
•
•
•
•
This read/write bit enables the charge pump to drive high voltages for program and erase operations
in the array. HVEN can only be set if either PGM = 1 or ERASE = 1 and the proper sequence for
program or erase is followed.
Setting this read/write bit configures the 16-Kbyte FLASH array for mass erase operation.
This read/write bit configures the memory for erase operation. ERASE is interlocked with the PGM bit
such that both bits cannot be equal to 1 or set to 1 at the same time.
This read/write bit configures the memory for program operation. PGM is interlocked with the ERASE
bit such that both bits cannot be equal to 1 or set to 1 at the same time.
1 = High voltage enabled to array and charge pump on
0 = High voltage disabled to array and charge pump off
1 = MASS erase operation selected
0 = PAGE erase operation selected
1 = Erase operation selected
0 = Erase operation unselected
1 = Program operation selected
0 = Program operation unselected
$C000–$FDFF; user memory
$FE08
$FF7E; FLASH block protect register
$FFD4–$FFFF; these locations are reserved for user-defined interrupt and reset vectors
;
Address:
FLASH control register
Reset:
Read:
Write:
A security feature prevents viewing of the FLASH contents.
$FE08
Bit 7
0
0
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Figure 2-3. FLASH Control Register (FLCR)
= Unimplemented
6
0
0
5
0
0
NOTE
4
0
0
HVEN
3
0
MASS
2
0
ERASE
1
0
(1)
FLASH Memory (FLASH)
PGM
Bit 0
0
39
Related parts for MC68HC908GZ8
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![MC14560BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12034AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MPIC2112P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14520BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC12026AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC145152P2](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC68HC11A0P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MCM6726DWJ10](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC44355](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC13282AP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14519BCP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC14495P1](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![SN74LS796N](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC142100CP](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
![MC34014P](/images/manufacturer_photos/0/2/263/freescale_semiconductor__inc_tmb.jpg)
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: