參數(shù)資料
型號: HMS30C7110
廠商: Electronic Theatre Controls, Inc.
元件分類: 網(wǎng)絡(luò)處理器
英文描述: Multipurpose Network Processor
中文描述: 多功能網(wǎng)絡(luò)處理器
文件頁數(shù): 125/161頁
文件大?。?/td> 973K
代理商: HMS30C7110
HMS30C7110
2003 MagnaChip Semiconductor Ltd. All Rights Reserved
Version 1.5
125
TS
[27]
Select the transfer size of a transfer
0: a single transfer is performed.
1: a burst transfer of length four is performed.
SERVMODE [26]
Select the service mode between single service mode and whole service
mode
0: single service mode
1: whole service mode
HWSRCSEL [25:24]
Select DMA request source for each DMA.
SWHW_SEL [23]
Select the DMA source between software (S/W request mode) and
hardware (H/W request mode).
0: S/W request mode
1: H/W request mode
RELOAD
[22]
Set the reload on/off option.
0: auto reload is performed.
1: channel is turned off after TC reaches.
DS
[21:20]
Data size to be transferred.
0: 8-bit (Byte), 1 : 16-bit (Half-Word), 2: 32-bit (Word)
TC
[19:0]
Initial transfer count (or transfer beat).
Note that the actual # of bytes that are transfered is obtained bt the
following equation: DSZ * TSZ * TB, where DSZ, TSZ, and TB
represent data size, transfer size, and transfer beats, respectively.
2.11.1.4.
DMA STATUS REGISTER (DSTAT, offset = 0x0c, 0x2c)
This register shows the current value of transfer counter(TC) and whether this channel is busy or
idle.
Table 2.94 DMA Status Register
DMA0 Address :
1910_000C
DMA1 Address :
1910_002C
Field Name
Bit
Description
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