CS5535 datasheet(254/555 Pages) NSC

254 / 555 page

www.national.com

254

Revision 0.8

ATAC Register Descriptions (Continued)

5.4.2

ATAC Specific MSRs

5.4.2.1

I/O Base Address (ATAC_IO_BAR)

This register sets the base address of the I/O mapped bus mastering IDE and controller registers. Bits [2:0] are read only

(001), indicating an 8-byte I/O address range.

5.4.2.2

Reset Decode (ATAC_RESET)

MSR Address

51300008h

Type

R/W

Reset Value

00000000_00000001h

ATAC_IO_BAR Register Map

63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RSVD

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

RSVD

BM_IDE_BAR

ADD_RNG

ATAC_IO_BAR Bit Descriptions

Bit

Name

Description

63:33

RSVD

Reserved. Write as 0. Return 0 on read.

BM_IDE_BAR_

Bus Mastering IDE Base Address Enable. This bit should be set to enable access to

the native register set after the base address has been set.

0: Disable (i.e., cannot access native registers in ATAC).

1: Enable (normal operation).

31:17

RSVD

Reserved. Write to 0. Return 0 on read.

16:3

BM_IDE_BAR

Bus Mastering IDE Base Address. These bits form the base address of the ATAC

native register set. Users may write the full address, including bits [2:0], knowing that

bits [2:0] will drop off and be assumed as 000.

2:0

ADD_RNG (RO)

Address Range (Read Only). Hard wired to 001. This indicates that the I/O base

address is in units of bytes.

MSR Address

51300010h

Type

R/W

Reset Value

00000000_00000000h

ATAC_RESET Register Map

63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RSVD

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

RSVD

CS5535 датащи(PDF) 254 Page - National Semiconductor (TI)

CS5535 датащи(HTML) 254 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL