XIO2001IPNP datasheet(107/144 Pages) TI

107 / 144 page

107

XIO2001

www.ti.com

SCPS212I – MAY 2009 – REVISED JANUARY 2016

Product Folder Links: XIO2001

Submit Documentation Feedback

8.6.9 Serial IRQ Mode Control Register

This register controls the behavior of the serial IRQ controller. This register is an alias for the serial IRQ mode

control register in the classic PCI configuration space (offset E0h, see Serial IRQ Mode Control Register). See

Table 56 for a complete description of the register contents.

Device control memory window register

offset:

48h

Read-only, Read/Write

Default value:

00h

BIT NUMBER

RESET STATE

(1)

These bits are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.

Table 79. Serial IRQ Mode Control Register Description

BIT

FIELD NAME

ACCESS

DESCRIPTION

7:4

RSVD

Reserved. Returns 0h when read.

3:2(1)

START_WIDTH

Start frame pulse width. Sets the width of the start frame for a SERIRQ stream.

00 = 4 clocks (default)

01 = 6 clocks

10 = 8 clocks

11 = Reserved

1(1)

POLLMODE

Poll mode. This bit selects between continuous and quiet mode.

0 = Continuous mode (default)

1 = Quiet mode

0(1)

DRIVEMODE

RW Drive mode. This bit selects the behavior of the serial IRQ controller during the

recovery cycle.

0 = Drive high (default)

1 = 3-state

8.6.10 Serial IRQ Edge Control Register

This register controls the edge mode or level mode for each IRQ in the serial IRQ stream. This register is an

alias for the serial IRQ edge control register in the classic PCI configuration space (offset E2h, see Serial IRQ

Edge Control Register). See Table 80 for a complete description of the register contents.

Device control memory window register offset: 4Ah

Read/Write

Default value:

0000h

BIT NUMBER

RESET STATE

XIO2001IPNP датащи(PDF) 107 Page - Texas Instruments

XIO2001IPNP датащи(HTML) 107 Page - Texas Instruments

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