參數(shù)資料
型號(hào)： rosa51
廠商： SIEMENS AG
英文描述： MultiMediaCard Adapter(多媒體卡適配器)
中文描述： 多媒體卡（多媒體卡適配器）
文件頁(yè)數(shù)： 30/54頁(yè)
文件大小： 510K
代理商： ROSA51
526$
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Siemens AG Semiconductors
Version 5.2
Confidential
20/10/1998
30
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The interrupt controller unit controls the
,54B1
line and the ROSA command status register. If one
of the three interrupt sources is active an interrupt is issued.
adrc_rw
data_out[7:0]
O
O
This signal is the latched
5:
.
This signal is connected to the
'$7$
bus when a read request is acknowl-
edged.
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7\S
H
'HVFULSWLRQ
rcad_irq_ada
I
This signal indicates an interrupt request originating in rosa_rc caused by
the ROSA status. It is active high.
This signal indicates an interrupt request originating in rosa_rc caused by
the command interpreter, rosa_cim. It is active high.
This signal indicates an interrupt request originating in rosa_rc caused by
the last MultiMediaCard status response. It is active high.
This signal indicates that ROSA is transferring data across the MultiMedi-
aCard bus
'$7
lines.
This signal indicates that ROSA is working on a command
This signal indicates that ROSA is working on a MultiMediaCard command
and has a new command in the cue.
This signal indicates that the FIFO is full when asserted.
This signal indicates that the FIFO is empty when asserted.
This bus is used to transfer the ROSA status information to rosa_ad.
This signal is connected to the
,54B1
line. It is active low.
rcad_irq_cim
I
rcad_irq_cmd
I
mcad_dat_busy
I
rcad_busy
rcad_pipe_full
I
I
mcad_fifo_full
mcad_fifo_empty
command_rd[7:0]
irq_n_out
I
I
O
O
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7\S
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7DEOH$GDSWHULQWHUIDFH
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I
c
C
ROSABusy
PipeFull
DATbusy
FifoFull
FifoEmpty
IRQada
IRQcim
IRQcard
I
C
command_rd
irq_n_out
I
A
stb_rw_cd
>=
RESPONSE
rosa_rc
rosa_irq
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