AN2311 Freescale Semiconductor / Motorola, AN2311 Datasheet - Page 3

• Manufacturer Part Number: AN2311
• Description: Bootstrapping the MSC8101 Device Through the HDI16 Port
• Manufacturer: Freescale Semiconductor / Motorola

GPL2_OE = HRD
NOTE: The txx numbers refer to the MSC8101 timing specification. For details, see the MSC8101
CSx
The UPM-controlled HDI16 read and write accesses are illustrated in Figure 3 and Figure 4,
respectively. Both the read and write accesses on the system bus operating in Single-Master MSC8101
mode without data buffering can be accessed within five clocks.
PSDVAL
D[0–16]
A[0–31]
CLKIN
=
Technical Data sheet.
HCS
T1
T1
T3
Freescale Semiconductor, Inc.
For More Information On This Product,
0ns
0
Figure 3. HDI16 UPM Read Cycle
Figure 2. DSP Farm System
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HDI16:t57R
1
HDI16:t53
HDI16:t44a
HDI16:t55
HDI16:t50
Slave
2
Slave
1
Buffer
25ns
Slave
MSC8101
3
Slave
MSC8101
8101:t12
Host
HDI16:t58
8101:t10
4
2
Buffer
HDI16:t56
Slave
HDI16:t44b
Slave
50ns
0
Slave
MSC8101
Slave
Hardware Implementation
3