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P912XDP512F0MPVR 数据表(PDF) 614 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) 614 Page - Freescale Semiconductor, Inc

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Chapter 17 Memory Mapping Control (S12XMMCV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
614
Freescale Semiconductor
•
Wait mode
MMC is functional during wait mode.
•
Stop mode
MMC is inactive during stop mode.
17.1.2.2
Functional Modes
•
Single chip modes
In normal and special single chip mode the internal memory is used. External bus is not active.
•
Expanded modes
Address, data, and control signals are activated in normal expanded and special test modes when
accessing the external bus.
•
Emulation modes
External bus is active to emulate via an external tool the normal expanded or the normal single chip
mode.
17.1.3
Block Diagram
Figure 1-1 shows a block diagram of the MMC.
Figure 17-1. MMC Block Diagram
17.2
External Signal Description
The user is advised to refer to the SoC Guide for port configuration and location of external bus signals.
Some pins may not be bonded out in all implementations.
Peripherals
FLASH
XGATE
CPU
BDM
Target Bus Controller
DBG
EEPROM
EBI
MMC
Address Decoder & Priority
RAM



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