參數(shù)資料
型號(hào)： MSC8101VT1500F
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 13/104頁(yè)
文件大?。?/td> 0K
描述： IC DSP 16BIT 250MHZ 332-FCPBGA
標(biāo)準(zhǔn)包裝： 90
系列： StarCore
類型： SC140 內(nèi)核
接口： 通信處理器模塊（CPM）
時(shí)鐘速率： 300MHz
非易失內(nèi)存： 外部
芯片上RAM： 512kB
電壓 - 輸入/輸出： 3.30V
電壓 - 核心： 1.60V
工作溫度： -40°C ~ 75°C
安裝類型： 表面貼裝
封裝/外殼： 332-BFBGA，F(xiàn)CPBGA
供應(yīng)商設(shè)備封裝： 332-FCBGA（17x17）
包裝： 托盤(pán)
MSC8101 Technical Data, Rev. 19
1-12
Freescale Semiconductor
Signals/Connections
IRQ5
DP5
DREQ4
EXT_DBG3
Input
Input/Output
Input
Output
Interrupt Request 51
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 41
An external peripheral uses this pin to request DMA service.
External Data Bus Grant 31,2
The MSC8101 asserts this pin to grant data bus ownership to an external bus master.
IRQ6
DP6
DACK3
Input
Input/Output
Output
Interrupt Request 61
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 31
The DMA controller 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 71
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 controller 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.
TEA
Input/Output
Transfer Error Acknowledge
Indicates a bus error. masters within the MSC8101 monitor the state of this pin. The MSC8101
internal bus monitor can assert this pin if it identifies a bus transfer that is hung.
NMI
Input
Non-Maskable Interrupt
When an external device asserts this line, the MSC8101 NMI input is asserted.
NMI_OUT
Output
Non-Maskable Interrupt
Driven from the MSC8101 internal interrupt controller. Assertion of this output indicates that a
non-maskable interrupt, pending in the MSC8101 internal interrupt controller, is waiting to be
handled by an external host.
PSDVAL
Input/Output
Data Valid
Indicates that a data beat is valid on the data bus. The difference between the TA pin and PSDVAL
is that the TA pin is asserted to indicate data transfer terminations while the PSDVAL signal is
asserted with each data beat movement. Thus, when TA is asserted, PSDVAL is asserted, but when
PSDVAL is asserted, TA is not necessarily asserted. For example when the SDMA initiates a double
word (2x64 bits) transfer to a memory device that has a 32-bit port size, PSDVAL is asserted three
times without TA, and finally both pins are asserted to terminate the transfer.
Table 1-5.
System Bus, HDI16, and Interrupt Signals (Continued)
Signal
Data Flow
Description
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