參數(shù)資料
型號(hào): ISP1582BS,557
廠商: NXP SEMICONDUCTORS
元件分類: 總線控制器
英文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQCC56
封裝: 8 X 8 MM, 0.85 MM PITCH, PLASTIC, MO-220, SOT-684-1, HVQFN-56
文件頁(yè)數(shù): 35/69頁(yè)
文件大?。?/td> 365K
代理商: ISP1582BS,557
ISP1582_7
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 07 — 22 September 2008
39 of 68
NXP Semiconductors
ISP1582
Hi-Speed USB peripheral controller
8.4.3 DMA Conguration register (address: 38h)
This register denes the DMA conguration for GDMA mode. The DMA Conguration
register consists of 2 bytes. The bit allocation is given in Table 49.
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
23
22
21
20
19
18
17
16
Symbol
DMACR3 = DMACR[23:16]
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
15
14
13
12
11
10
9
8
Symbol
DMACR2 = DMACR[15:8]
Reset
00000000
Bus reset
00000000
Access
R/W
Bit
7
6
5
4
3
2
1
0
Symbol
DMACR1 = DMACR[7:0]
Reset
00000000
Bus reset
00000000
Access
R/W
Table 47.
DMA Transfer Counter register: bit allocation …continued
Bit
31
30
29
28
27
26
25
24
Table 48.
DMA Transfer Counter register: bit description
Bit
Symbol
Description
31 to 24
DMACR4 = DMACR[31:24]
DMA transfer counter byte 4 (MSByte)
23 to 16
DMACR3 = DMACR[23:16]
DMA transfer counter byte 3
15 to 8
DMACR2 = DMACR[15:8]
DMA transfer counter byte 2
7 to 0
DMACR1 = DMACR[7:0]
DMA transfer counter byte 1 (LSByte)
Table 49.
DMA Conguration register: bit allocation
Bit
15
14
13
12
11
10
9
8
Symbol
reserved
Reset
--------
Bus reset
--------
Access
--------
Bit
7
6
5
4
3
2
1
0
Symbol
DIS_
XFER_CNT
reserved
MODE[1:0]
reserved
WIDTH
Reset
0-
-
0
-1
Bus reset
0-
-
0
-1
Access
R/W
-
R/W
-
R/W
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ISP1583 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Hi-Speed Universal Serial Bus peripheral controller