Sony AR-B1570 manual Parallel Port, Register Address, Printer Interface Logic, Data Swapper

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AR-B1570 Users Guide

 

 

 

 

 

 

 

 

 

Desired Baud Rate

Divisor Used to Generate 16x Clock

 

 

300

384

 

 

600

192

 

 

1200

96

 

 

1800

64

 

 

2400

48

 

 

3600

32

 

 

4800

24

 

 

9600

12

 

 

14400

8

 

 

19200

6

 

 

28800

4

 

 

38400

3

 

 

57600

2

 

 

115200

1

 

Serial Port Divisor Latch

2.6 PARALLEL PORT

(1) Register Address

Port Address

Read/Write

Register

base + 0

Write

Output data

base + 0

Read

Input data

base + 1

Read

Printer status buffer

base + 2

Write

Printer control latch

Registers’ Address

(2) Printer Interface Logic

The parallel port of the W83977F-A is for attaching various devices that accept eight bits of parallel data at standard TTL level.

(3) Data Swapper

The system microprocessor can read the contents of the printer’s Data Latch through the Data Swapper by reading the Data Swapper address.

(4) Printer Status Buffer

The system microprocessor can read the printer status by reading the address of the Printer Status Buffer. The bit definitions are described as follows:

7

 

6

5

4

3

2

 

1

 

0

 

 

 

 

 

 

 

 

 

 

X

 

X

 

X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-ERROR SLCT PE -ACK -BUSY

Printer Status Buffer

NOTE: X presents not used.

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Contents Industrial Grade CPU Board AR-B1570 User’s Guide Save & Exit Setup Exit Without Saving Preface Static Electricity Precautions OrganizationPacking List 1SPECIFICATIONOverview CPU NS Geode GX1 BGACPU NS Geode GX1 FeaturesAward Bios DMA Controller System ControllerMicroprocessor Interrupt Controller Keyboard ControllerInterrupt Controller SSD 1 I/O Port Address MapHex Range Device Port Address MapAddress Description TimerReal-Time Clock and Non-Volatile RAM Real-Time Clock & Non-Volatile RAMSerial Port Modem Status Register MSR Modem Control Register MCRLine Status Register LSR Divisor Latch LS, MSPrinter Interface Logic Parallel PortRegister Address Data SwapperPrinter Control Latch & Printer Control Swapper Bit’s DefinitionOverview Setting UP the SystemSystem Setting External System LocationPin Hard Disk IDE Connector CN7 Hard Disk IDE ConnectorPin Hard Disk IDE Connector CN8 Pin SignalFDD Pin Assignment FDD Port Connector CN3Hard Disk IDE1 Connector Reset Header J7 Ethernet RJ-45 Connector LAN14 PS/2 KB/Mouse Connector CN4 & PS1 PS-ON Header CN9LCD Panel Display Connector LCD1 Power Connector PWR2CRT Connector P4 P4 CRT ConnectorLCD Display Pin Assignment USB ConnectorUSB1LED Header J8 Pin DescriptionPin PC/104 Connector Bus C & D PC104 13 PC104 ConnectorPin PC/104 Connector Bus a & B PC104 Battery Jumper JP2 Parallel Port Connector CN216 Ext. Battery CN1 15 IR. Header J1RS-232/RS-485 Select for COM1 P2 & P3 RS-232 Connector Pin Assignment18 COM1, COM2 CN5, CN6 RS-485 Terminator Select J220 D.O.C. Memory Address Select JP1 Touch Screen Connector J3 & J4ATX Power External Bottom Connector J6 Utility Diskette InstallationDriver Installation Disk Watchdog TimerWatchdog Block Diagram IRQ Watchdog Timer SettingWatchdog Timer Trigger Bios Setup Main Menu Bios ConsoleBios Setup Overview Hard Disk Setup Standard Cmos SetupDate & Time Setup Floppy SetupMono Halt OnEGA/VGA Bios Features Setup Video Bios Shadow Typematic Rate SettingTypematic Delay Msec Memory Parity CheckChipset Features Setup Chipset Features SetupBit I/O Cycle Recovery Time Sdram CAS latency TimeLoad Bios Defaults PNP/PCI ConfigurationLoad Default Setting Load Setup DefaultsIntegrated Peripherals IDE HDD Auto Detection Password SettingBios Exit