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参数资料
| 型号： | MSC8103VT1100F |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 数字信号处理 |
| 英文描述： | 64-BIT, 68.75 MHz, OTHER DSP, PBGA332 |
| 封装： | 17 X 17 MM, FLIP-CHIP, PLASTIC, BGA-332 |
| 文件页数： | 8/104页 |
| 文件大小： | 1810K |
| 代理商： | MSC8103VT1100F |
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System Bus, HDI16, and Interrupt Signals
MSC8103 Network Digital Signal Processor, Rev. 11
Freescale Semiconductor
1-7
Although there are eight interrupt request (IRQ) connections to the core processor, there are multiple external lines
that can connect to these internal signal lines. After reset, the default configuration includes two IRQ1 and two IRQ7
input lines. The designer must select one line for each required interrupt and reconfigure the other external signal
line or lines for alternate functions.
Table 1-5.
System Bus, HDI16, and Interrupt Signals
Signal
Data Flow
Description
A[0–31]
Input/Output
Address Bus
When the MSC8103 is in external master bus mode, these pins function as the address bus. The
MSC8103 drives the address of its internal bus masters and responds to addresses generated by
external bus masters. When the MSC8103 is in Internal Master Bus mode, these pins are used as
address lines connected to memory devices and are controlled by the MSC8103 memory controller.
TT[0–4]
Input/Output
Bus Transfer Type
The bus master drives these pins during the address tenure to specify the type of transaction.
TSIZ[0–3]
Input/Output
Transfer Size
The bus master drives these pins with a value indicating the number of bytes transferred in the
current transaction.
TBST
Input/Output
Bus Transfer Burst
The bus master asserts this pin to indicate that the current transaction is a burst transaction
(transfers four quad words).
IRQ1
GBL
Input
Input/Output
Interrupt Request 11
One of eight external lines that can request a service routine, via the internal interrupt controller,
from the SC140 core.
Global1
When a master within the chip initiates a bus transaction, it drives this pin. When an external master
initiates a bus transaction, it should drive this pin. Assertion of this pin indicates that the transfer is
global and it should be snooped by caches in the system.
Reserved
BADDR29
IRQ2
Output
Input
The primary configuration is reserved.
Burst Address 291
One of five outputs of the memory controller. These pins connect directly to memory devices
controlled by the MSC8103 memory controller.
Interrupt Request 21
One of eight external lines that can request a service routine, via the internal interrupt controller,
from the SC140 core.
Reserved
BADDR30
IRQ3
Output
Input
The primary configuration is reserved.
Burst Address 301
One of five outputs of the memory controller. These pins connect directly to memory devices
controlled by the MSC8103 memory controller.
Interrupt Request 31
One of eight external lines that can request a service routine, via the internal interrupt controller,
from the SC140 core.
Reserved
BADDR31
IRQ5
Output
Input
The primary configuration is reserved.
Burst Address 311
One of five outputs of the memory controller. These pins connect directly to memory devices
controlled by the MSC8103 memory controller.
Interrupt Request 51
One of eight external lines that can request a service routine, via the internal interrupt controller,
from the SC140 core.
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