PC97307 datasheet(34/218 Pages) NSC

34 / 218 page

Configuration

www.national.com

TABLE 2-20. Power Management Conﬁguration Registers - Logical Device 8

Index

R/W

Hard Reset

Soft Reset

Conﬁguration Register or Action

30h

R/W

Activate.

When bit 0 is cleared, the registers of this logical device are not

accessible. The registers are maintained.

31h

R/W

00h

I/O Range Check.

60h

R/W

00h

Base Address Most Signiﬁcant Byte.

61h

R/W

00h

Base Address LSB Register.

Bit 0 (for A) is read only: 0.

74h

04h

Report no DMA assignment.

75h

04h

Report no DMA assignment.

2.4

CARD CONTROL REGISTERS

This section describes the registers at first level indexes in

the range 20h - 2Fh.

2.4.1

SID Register (In PC87307)

This read-only register holds the revision and chip identity

number of the chip. The PC87307VUL is identified by the

value C0h in this register.

FIGURE 2-1. SID Register Bitmap (In PC87307)

76543210

Reset

Required

SID (In PC87307)

Index 20h

Chip ID

Revision ID

2.4.2

SID Register (In PC97307)

This read-only register holds the identity number of the chip.

The PC97307VUL is identified by the value CFh in this reg-

ister.

FIGURE 2-2. SID Register Bitmap (In PC97307)

2.4.3

SuperI/O Configuration 1 Register, Index 21h

This register can be read or written. It is reset by hardware

to 04h, 06h, 14h or 16h. See SELCS and the CFG1 strap

pin in Table 2-2 on page 25.

FIGURE 2-3. SuperI/O Conﬁguration 1 Register Bit-

map

76543210

Reset

Required

SID (In PC97307)

Index 20h

Chip ID

ZWS Enable

General Purpose Scratch Bits

76543210

Reset

Required

SuperI/O Configuration 1

Index 21h

PC-AT or PS/2 Drive Mode Select

CSOUT or CS0 Select

Reserved

Lock Scratch Bit

X-Bus Data Buffer (XDB) Select

PC97307 датащи(PDF) 34 Page - National Semiconductor (TI)

PC97307 датащи(HTML) 34 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