參數(shù)資料
型號: MSC8103M1200F
廠商: MOTOROLA INC
元件分類: 數(shù)字信號處理
英文描述: 64-BIT, 75 MHz, OTHER DSP, PBGA332
封裝: 17 X 17 MM, FLIP-CHIP, PLASTIC, BGA-332
文件頁數(shù): 31/120頁
文件大?。?/td> 1952K
代理商: MSC8103M1200F
1-14
System Bus, HDI16, and Interrupt Signals
IRQ4
DP4
DREQ3
EXT_BG3
Input
Input/Output
Input
Output
Interrupt Request 41
One of eight external lines that can request a service routine, via the internal
interrupt controller, from the SC140 core.
Data Parity 41
The agent that drives the data bus also drives the data parity signals. The value
driven on the data parity four pin should give odd parity (odd number of ones) on
the group of signals that includes data parity 4 and D[32–39].
DMA Request 31
An external peripheral uses this pin to request DMA service.
External Bus Grant 31,2
The MSC8103 asserts this pin to grant bus ownership to an external bus master.
IRQ5
DP5
DREQ4
EXT_DBG3
Input
Input/Output
Input
Output
Interrupt Request 5
1
One of eight external lines that can request a service routine, via the internal
interrupt controller, from the SC140 core.
Data Parity 51
The agent that drives the data bus also drives the data parity signals. The value
driven on the data parity five pin should give odd parity (odd number of ones) on
the group of signals that includes data parity 5 and D[40–47].
DMA Request 4
1
An external peripheral uses this pin to request DMA service.
External Data Bus Grant 3
1,2
The MSC8103 asserts this pin to grant data bus ownership to an external bus
master.
IRQ6
DP6
DACK3
Input
Input/Output
Output
Interrupt Request 6
1
One of eight external lines that can request a service routine, via the internal
interrupt controller, from the SC140 core.
Data Parity 61
The agent that drives the data bus also drives the data parity signals. The value
driven on the data parity six pin should give odd parity (odd number of ones) on the
group of signals that includes data parity 6 and D[48–55].
DMA Acknowledge 3
1
The DMA drives this output to acknowledge the DMA transaction on the bus.
IRQ7
DP7
DACK4
Input
Input/Output
Output
Interrupt Request 71
One of eight external lines that can request a service routine, via the internal
interrupt controller, from the SC140 core.
Data Parity 7
1
The master or slave that drives the data bus also drives the data parity signals. The
value driven on the data parity seven pin should give odd parity (odd number of
ones) on the group of signals that includes data parity 7 and D[56–63].
DMA Acknowledge1
The DMA drives this output to acknowledge the DMA transaction on the bus.
TA
Input/Output
Transfer Acknowledge
Indicates that a data beat is valid on the data bus. For single beat transfers,
assertion of TA indicates the termination of the transfer. For burst transfers, TA is
asserted four times to indicate the transfer of four data beats with the last assertion
indicating the termination of the burst transfer.
Table 1-5.
System Bus, HDI16, and Interrupt Signals (Continued)
Signal
Data Flow
Description
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