參數(shù)資料
型號(hào): MC68HC912BL16FU8
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝: QFP-64
文件頁數(shù): 54/128頁
文件大?。?/td> 3326K
代理商: MC68HC912BL16FU8
MC68HC912BL16TS/D
31
ROMON — Enable Flash EEPROM
In expanded modes ROMON is reset to zero. In single-chip modes it is reset to one. If the internal RAM,
registers, EEPROM, or BDM ROM (if active) are mapped to the same space as the Flash EEPROM,
they will have priority over the Flash EEPROM.
0 = Disables the Flash EEPROM in the memory map
1 = Enables the Flash EEPROM in the memory map
5.4 Memory Maps
The following diagrams illustrate the memory map for each mode of operation immediately after reset.
Figure 6 MC68HC912BL16 Memory Map
BDM
(IF ACTIVE)
HC912BL16 MEM MAP
$FFFF
FLASH EEPROM
$0000
$0800
$0E00
$0FFF
$FF00
$0000
$01FF
$0800
SINGLE CHIP
SPECIAL
SINGLE CHIP
NORMAL
EXPANDED
$8000
VECTORS
$FF00
$F000
512 BYTES EEPROM
MAPTO ANY 4K SPACE
512 BYTE RAM
MAPTO ANY 2K SPACE
REGISTERS
MAPTO ANY 2K SPACE
$FFFF
$FFC0
$09FF
MAPWITHMAPROM BIT
$0E00
512 BYTES RAM
$7FFF
IN MISC REGISTER
TO $4000 – $7FFF
OR $C000 – $FFFF
$0200
$03FF
REGISTER FOLLOWING
SPACE
512 BYTES RAM
$C000
$4000
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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