DEMO9S12XEP100 Freescale Semiconductor, DEMO9S12XEP100 Datasheet - Page 262
DEMO9S12XEP100
Manufacturer Part Number
DEMO9S12XEP100
Description
BOARD DEMO FOR MC9S12XEP100
Manufacturer
Freescale Semiconductor
Type
MCUr
Datasheet
1.EVB9S12XEP100.pdf
(1328 pages)
Specifications of DEMO9S12XEP100
Contents
Board, Cables, CD
Processor To Be Evaluated
MC9S12XEP100
Data Bus Width
16 bit
Interface Type
RS-232
Silicon Manufacturer
Freescale
Core Architecture
S12
Core Sub-architecture
S12
Silicon Core Number
MC9S12
Silicon Family Name
S12XE
Rohs Compliant
Yes
For Use With/related Products
MC9S12XEP100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Quantity
Price
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Part Number:
DEMO9S12XEP100
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PANASONIC
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DEMO9S12XEP100
Manufacturer:
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Chapter 5 External Bus Interface (S12XEBIV4)
state operation (stretching) of the external bus access is done in emulation modes when accessing internal
memory or emulation memory addresses.
In both modes observation of the internal operation is supported through the external bus (internal
visibility).
5.5.2.1
This mode is used for emulation systems in which the target application is operating in normal single-chip
mode.
Figure 5-5
The timing diagram for this operation is shown in:
The associated timing numbers are given in:
Timing considerations:
262
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
•
•
•
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Figure ‘Example 2a: Emulation Single-Chip Mode — Read Followed by Write’
Table ‘Example 2a: Emulation Single-Chip Mode Timing (EWAIT disabled)’
Signals muxed with address lines ADDRx, i.e., IVDx, IQSTATx and ACCx, have the same timing.
LSTRB has the same timing as RW.
shows the PRU connection with the available external bus signals in an emulator application.
Example 2a: Emulation Single-Chip Mode
ADDR[22:20]/ACC[2:0]
Figure 5-5. Application in Emulation Single-Chip Mode
ADDR[22:0]/IVD[15:0]
S12X_EBI
MC9S12XE-Family Reference Manual , Rev. 1.23
ADDR[19:16]/
IQSTAT[3:0]
DATA[15:0]
ECLKX2
LSTRB
ECLK
RW
EMULMEM
PRU
Emulator
PRR
Ports
Freescale Semiconductor
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