User's Manual

Orion Reader System Guide
6-44 Use or disclosure of Proprietary Information contained on this sheet is subject to the restriction stated on the title page of this document.
Port Configuration — This field specifies the digital port input/output configuration.
In Table 6-70, INPUT = 0 and OUTPUT = 1.
Port Status
— This field specifies the digital port status. In Table 6-71, LOW = 0 and
HIGH = 1.
Table 6-70 Port Configuration
Configuration
Value
Digital Port 3 Digital Port 2 Digital Port 1 Digital Port 0
00H INPUT INPUT INPUT INPUT
01H INPUT INPUT INPUT OUTPUT
02H INPUT INPUT OUTPUT INPUT
03H INPUT INPUT OUTPUT OUTPUT
04H INPUT OUTPUT INPUT INPUT
05H INPUT OUTPUT INPUT OUTPUT
06H INPUT OUTPUT OUTPUT INPUT
07H INPUT OUTPUT OUTPUT OUTPUT
08H OUTPUT INPUT INPUT INPUT
09H OUTPUT INPUT INPUT OUTPUT
0AH OUTPUT INPUT OUTPUT INPUT
0BH OUTPUT INPUT OUTPUT OUTPUT
0CH OUTPUT OUTPUT INPUT INPUT
0DH OUTPUT OUTPUT INPUT OUTPUT
0EH OUTPUT OUTPUT OUTPUT INPUT
0FH OUTPUT OUTPUT OUTPUT OUTPUT
Table 6-71 Port Status
Status Value Digital Port 3 Digital Port 2 Digital Port 1 Digital Port 0
00H LOW LOW LOW LOW
01H LOW LOW LOW HIGH
02H LOW LOW HIGH LOW
03H LOW LOW HIGH HIGH