參數(shù)資料
型號: ML60852A
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 38/82頁
文件大?。?/td> 370K
代理商: ML60852A
FEDL60852A-03
1Semiconductor
ML60852A
42/81
DMA0, 1 Interval Registers (DMA0, 1INTVL)
Address
0 x 11, 0 x 13
Type
Byte data
Access type
Read/Write
D7
D6
D5
D4
D3
D2
D1
D0
After a hardware reset
0
0000
00
After a bus reset
The previous value is retained
Definition
Interval time
This specifies the interval in the single DMA transfer mode, that is, the time duration after the end of DMA transfer
of the previous byte (or the previous word) until DREQ is asserted again. The time for 1 bit is 84ns (12 MHz,
period of one-cycle).
Interval time = (DREQ enable time) + 84xn (ns)
See the description of the DMA Transfer Timings (1), (2), (5), and (6) for the DREQ enable time.
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