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MOTOROLA MSC8101ADS RevB User’s Manual 47
Functional Description
FIGURE 5-3 FLASH SIMM Connection Scheme
As can be seen in FIGURE 5-3, the FLASH CS is distributed to four CS signals. The distribution
depends on the size of the FLASH module installed - it is read by the BCSR using the PD(1-7) pins.
5•7•1 Flash Programming Voltage
Support is given to modules that require 5V for programming. The 5V voltage for programming is
taken from the main board voltage supply or 12V from external power supply in protection mode.
BD(0:31)
BA(9:29)
D(31:0)
A(22:0)
FPD1
FPD2
FPD3
FPD4
PD1
PD2
PD3
PD4
FPD5
PD5
FPD6
FPD7
PD6
PD7
FLASH SIMM
BCSR
BWE0
BWE1
BWE2
BWE3
BPOE
FCS0
FCS1
FCS2
FCS3
WE0
WE1
WE2
WE3
OE
CS0
CS1
CS2
CS3
FCSb
BA(7:8)
ADR Ext.
Flash Type Detect
BA7
BA8
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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