82091AA datasheet(21/204 Pages) INTEL

21 / 204 page

82091AA

261 COMPATIBILITY PROTOCOL SIGNAL DESCRIPTION

Except for the data bus the 82091AA and compatibility protocol signal names are the same For the data bus

the 82091AA signal names PD 70 corresponds to the compatibility protocol signal names Data 81

82091AA

Signal

Type

Compatibility Protocol Signal Name and Description

Name

STROBE

The host asserts STROBE

to latch data into the peripheral device’s

input latch This signal is controlled via the PCON Register

BUSY

BUSY is asserted by the peripheral to indicate that the peripheral device

is not ready to receive data The status of this signal line is reported in the PSTAT

ACK

ACKNOWLEDGE

The printer asserts this signal to indicate that it has received

the data and is ready for new data The status of this signal line is reported in the

PSTAT Register

SELECT

SELECT is asserted by the peripheral device to indicate that the device

is on line The status of this signal line is reported in the PSTAT Register

PERROR

PAPER ERROR

The peripheral device asserts PERROR to indicate that it has

encountered an error in the paper path The exact meaning varies from peripheral

device to peripheral device The status of this signal line is reported in the PSTAT

FAULT

is asserted by the peripheral device to indicate that an error

has occurred The status of this signal line is reported in the PSTAT Register

INIT

INITIALIZE

The host asserts INIT

to issue a hardware reset to the peripheral

device This signal is controlled via the PCON Register

AUTOFD

AUTO FEED

AUTOFD

is asserted by the host to put the peripheral device into

auto-line feed mode This means that when software asserts this signal the

printer is instructed to advance the paper one line for each carriage return

encountered This signal is controlled via the PCON Register

PD 70

DATA

Forward channel data

SELECTIN

SELECT INPUT

SELECTIN

is asserted by the host to select a peripheral

device This signal is controlled via the PCON Register

82091AA Datasheet(PDF) 21 Page - Intel Corporation

82091AA Datasheet(HTML) 21 Page - Intel Corporation

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

Datasheet Download

Link URL