參數(shù)資料
型號: HMS30C7202
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-bit ARM7TDMI RISC static CMOS CPU core
中文描述: 32-BIT, 82.944 MHz, RISC PROCESSOR, PBGA256
封裝: 17 X 17 MM, 1.40 MM HEIGHT, 1 MM PITCH, FBGA-256
文件頁數(shù): 127/161頁
文件大?。?/td> 973K
代理商: HMS30C7202
HMS30C7110
2003 MagnaChip Semiconductor Ltd. All Rights Reserved
Version 1.5
127
STOP
[2]
Stop the DMA operation.
1: DMA stops as soon as the current atomic transfer ends.
Note : If there is no current atomic transfer, DMA stops immediately.
Due to possible current atomic transfer, "stop" may take several cycles.
The finish of "stop" operation can be detected by waiting until the
channel on/off bit is set to off. This stop is actual "stop". It means that if
DMA starts again all the values including TC start from initial values.
ON_OFF
[1]
DMA channel on/off bit.
0: DMA channel is turned off. (DMA request to this channel is ignored.)
1: DMA channel is turned on and the DMA request is handled.
Note : This bit is automatically set to off if we set the control register
(DCON) to "no auto reload" and/or this register (MASKTRIG) to "stop".
Note that when "no auto reload" is set, this bit becomes "off" when TC
becomes 0. On the other hand, if "stop" is set, this bit becomes "off" as
soon as the current automic transfer finishes. This bit should not be
changed manually during DMA operation.
SW_TRIG
[0]
Trigger the DMA channel in S/W.
1: it requests a DMA operation to this controller.
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