User's Manual

Chapter 4 Register-Level Programming
© National Instruments Corporation 4-3 Lab-NB User Manual
Table 4-2. Lab-NB Register Map
Offset
Register Name Address (Hex) Type Size
Analog Input Register Group
A/D Configuration Register 0 8000 Write-only 16-bit
Status Register 0 8000 Read-only 8-bit
A/D FIFO Register 0 8010 Read-only 16-bit
A/D Clear Register 0 8010 Write-only 8-bit
Analog Output Register Group
DAC Configuration Register 5 8000 Write-only 8-bit
DAC0 Data Register 5 8010 Write-only 16-bit
DAC1 Data Register 5 8020 Write-only 16-bit
DAC0 and DAC1 Data Registers 5 8030 Write-only 16-bit
8253 Counter/Timer Register Group A
Counter A0 Data Register 4 0000 Read-and-write 8-bit
Counter A1 Data Register 4 0010 Read-and-write 8-bit
Counter A2 Data Register 4 0020 Read-and-write 8-bit
Counter A Mode Register 4 0030 Write-only 8-bit
8253 Counter/Timer Register Group B
Counter B0 Data Register 4 8000 Read-and-write 8-bit
Counter B1 Data Register 4 8010 Read-and-write 8-bit
Counter B2 Data Register 4 8020 Read- and-write 8-bit
Counter B Mode Register 4 8030 Write-only 8-bit
82C55A Digital I/O Register Group
Port A Register 5 0000 Read-and-write 8-bit
Port B Register 5 0010 Read-and-write 8-bit
Port C Register 5 0020 Read-and-write 8-bit
Digital Control Register 5 0030 Write-only 8-bit
Interrupt Control Register Group
Interrupt Control Register 1 0000 Write-only 8-bit
Interrupt Status Register 1 0000 Read-only 8-bit
Timer Interrupt Clear Register 1 8000 Write-only 8-bit