Register Map and Descriptions Appendix D
Lab-PC+ User Manual D-30 © National Instruments Corporation
Counter B1 Data Register
The Counter B1 Data Register is used for loading and reading back the contents of 8253(B)
Counter 1.
Address: Base address + 19 (hex)
Type: Read-and-write
Word Size: 8-bit
Bit Map:
7654 3210
D7 D6 D5 D4 D3 D2 D1 D0
Bit Name Description
7-0 D<7..0> 8-bit Counter B1 contents.