ax88196 ASIX Electronics Corporation, ax88196 Datasheet - Page 22

• Manufacturer Part Number: ax88196
• Description: Non-pci 8/16-bit 10/100m Fast Ethernet Mac Controller With Embedded Memory
• Manufacturer: ASIX Electronics Corporation

4.14 SPP Data Port Register (SPP_DPR) Offset 18H (Read/Write)
4.15 SPP Status Port Register (SPP_SPR) Offset 19H (Read)
4.16 SPP Command Port Register (SPP_CPR) Offset 1AH (Read/Write)
FIELD
FIELD
FIELD
7:0
2:0
7:6
7
6
5
4
3
5
4
3
2
1
0
AX88196
SLCTIN Seting to ‘1’ selects the printer.
NAME
NAME
NAME
IRQEN IRQ enable : printer port interrupt is not supportted.
/BUSY Reading a ‘0’ indicates that the printer is not ready to receive new data.
ATFD
/ACK
SLCT
/DOE
STRB
/INIT
/ERR
DP
PE
-
-
Printer Data Port
Reading a ‘0’ indicates that the printer has received the data and is ready to accept new data.
Reading a ‘1’ indicates that the printer is out of paper.
Reading a ‘1’ indicates that the printer has power on.
Reading a ‘0’ indicates that there is an error condition at the printer.
Reserved
Reserved
Seting to ‘0’ enable print data output to printer. Default sets to ‘1’.
Seting to ‘0’ initiates the printer
Seting to ‘1’ causes the printer to automatically feed one line after each line is printed.
Seting a low-high-low pulse on this register is used to strobe the print data into the printer.
Local CPU BUS MAC Controller
22
DESCRIPTION
DESCRIPTION
DESCRIPTION
ASIX ELECTRONICS CORPORATION