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P912XDP512F0MPVR 数据表(PDF) 647 Page - Freescale Semiconductor, Inc

部件名 P912XDP512F0MPVR
功能描述  HCS12X Microcontrollers
PDF  1348 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

P912XDP512F0MPVR 数据表(HTML) 647 Page - Freescale Semiconductor, Inc

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Chapter 17 Memory Mapping Control (S12XMMCV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
647
17.5.3.3
ROM Control in Normal Expanded Mode
In normal expanded mode the external bus will be connected to the application. If the ROMON bit is set,
the internal FLASH provides the data. If the ROMON bit is cleared, the application memory provides the
data (see Figure 1-29).
Figure 17-29. ROM in Normal Expanded Mode
ROMON = 1
Application
MCU
ROMON = 0
Application
MCU
Flash
Memory
Memory



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