w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 47

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w83977atf

Manufacturer Part Number
w83977atf
Description
Winbond I/o
Manufacturer
Winbond Electronics Corp America
Datasheet

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4.9 SET7 - REMOTE CONTROL AND IR MODULE SELECTION REGISTERS ........................................77
5.0 PARALLEL PORT.....................................................................................................84
5.1 PRINTER INTERFACE LOGIC ..............................................................................................................84
5.2 ENHANCED PARALLEL PORT (EPP)...................................................................................................85
5.3 EXTENDED CAPABILITIES PARALLEL (ECP) PORT ........................................................................90
4.9.1 Set7.Reg0 - Remote Infrared Receiver Control (RIR_RXC)................................................................77
4.9.2 Set7.Reg1 - Remote Infrared Transmitter Control (RIR_TXC)............................................................79
4.9.3 Set7.Reg2 - Remote Infrared Config Register (RIR_CFG)..................................................................80
4.9.4 Set7.Reg3 - Sets Select Register (SSR) ...............................................................................................81
4.9.5 Set7.Reg4 - Infrared Module (Front End) Select 1 (IRM_SL1) ...........................................................81
4.9.6 Set7.Reg5 - Infrared Module (Front End) Select 2 (IRM_SL2) ...........................................................82
4.9.7 Set7.Reg6 - Infrared Module (Front End) Select 3 (IRM_SL3) ...........................................................82
4.9.8 Set7.Reg7 - Infrared Module Control Register (IRM_CR)..................................................................83
5.2.1 Data Swapper ....................................................................................................................................86
5.2.2 Printer Status Buffer..........................................................................................................................86
5.2.3 Printer Control Latch and Printer Control Swapper ..........................................................................87
5.2.4 EPP Address Port..............................................................................................................................87
5.2.5 EPP Data Port 0-3 ............................................................................................................................88
5.2.6 Bit Map of Parallel Port and EPP Registers ......................................................................................88
5.2.7 EPP Pin Descriptions ........................................................................................................................89
5.2.8 EPP Operation ..................................................................................................................................89
5.3.1 ECP Register and Mode Definitions ..................................................................................................90
5.3.2 Data and ecpAFifo Port.....................................................................................................................91
5.3.3 Device Status Register (DSR).............................................................................................................91
5.3.4 Device Control Register (DCR) .........................................................................................................92
5.3.5 cFifo (Parallel Port Data FIFO) Mode = 010....................................................................................93
5.3.6 ecpDFifo (ECP Data FIFO) Mode = 011...........................................................................................93
5.3.7 tFifo (Test FIFO Mode) Mode = 110 .................................................................................................93
5.3.8 cnfgA (Configuration Register A) Mode = 111...................................................................................93
5.3.9 cnfgB (Configuration Register B) Mode = 111...................................................................................93
5.3.10 ecr (Extended Control Register) Mode = all ....................................................................................94
5.3.11 Bit Map of ECP Port Registers ........................................................................................................95
5.3.12 ECP Pin Descriptions......................................................................................................................96
5.3.13 ECP Operation ................................................................................................................................97
5.3.14 FIFO Operation...............................................................................................................................97
5.3.15 DMA Transfers ................................................................................................................................98
-IV -
Publication Release Date:April 1998
W83977ATF
PRELIMINARY
Revision 0.52

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