NCT6627UD Nuvoton Technology Corporation of America, NCT6627UD Datasheet - Page 6

• Manufacturer Part Number: NCT6627UD
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of NCT6627UD

• Lead Free Status / Rohs Status: Supplier Unconfirmed

11.
12.
13.
14.
11.1
11.2
11.3
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
14.1
14.2
10.2.6
10.2.7
PARALLEL PORT ................................................................................................................... 124
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
11.2.7
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.6
11.3.7
11.3.8
11.3.9
11.3.10
11.3.11
11.3.12
11.3.13
11.3.14
KEYBOARD CONTROLLER................................................................................................... 137
12.5.1
12.5.2
POWER MANAGEMENT EVENT........................................................................................... 143
13.1.1
13.1.2
13.2.1
13.2.2
SERIALIZED IRQ.................................................................................................................... 151
Printer Interface Logic....................................................................................................... 124
Enhanced Parallel Port (EPP)........................................................................................... 124
Extended Capabilities Parallel (ECP) Port........................................................................ 128
Output Buffer..................................................................................................................... 137
Input Buffer........................................................................................................................ 137
Status Register ................................................................................................................. 138
Commands........................................................................................................................ 138
Hardware GATEA20/Keyboard Reset Control Logic........................................................ 140
Power Control Logic.......................................................................................................... 143
Wake Up the System by Keyboard and Mouse ................................................................ 146
Resume Reset Logic......................................................................................................... 148
PWROK Generation.......................................................................................................... 149
Start Frame ....................................................................................................................... 151
IRQ/Data Frame................................................................................................................ 152
Interrupt Status Register (ISR) (Read only) .............................................................................121
Interrupt Control Register (ICR) (Read/Write)..........................................................................122
Data Port (Data Swapper) .......................................................................................................125
Printer Status Buffer ................................................................................................................125
Printer Control Latch and Printer Control Swapper..................................................................126
EPP Address Port....................................................................................................................126
EPP Data Port 0-3 ...................................................................................................................126
EPP Operation.........................................................................................................................127
ECP Register and Bit Map.......................................................................................................129
Data and ecpAFifo Port ...........................................................................................................130
Device Status Register (DSR) .................................................................................................130
Device Control Register (DCR)................................................................................................130
CFIFO (Parallel Port Data FIFO) Mode = 010 .........................................................................131
ECPDFIFO (ECP Data FIFO) Mode = 011 ..............................................................................131
TFIFO (Test FIFO Mode) Mode = 110.....................................................................................131
CNFGA (Configuration Register A) Mode = 111......................................................................131
CNFGB (Configuration Register B) Mode = 111......................................................................132
KB Control Register (Logic Device 5, CR-F0)..........................................................................140
Port 92 Control Register (Default Value = 0x24)......................................................................142
PSON# Logic...........................................................................................................................144
AC Power Failure Resume ......................................................................................................145
Waken up by Keyboard events................................................................................................146
Waken up by Mouse events ....................................................................................................147
ECR (Extended Control Register) Mode = all .....................................................................132
ECP Pin Descriptions..........................................................................................................134
ECP Operation....................................................................................................................135
DMA Transfers....................................................................................................................136
Programmed I/O (NON-DMA) Mode ...................................................................................136
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Publication Release Date: October 26, 2010
Revision 1.7