Register Bit Descriptions Chapter 4
GPIB-1014 User Manual 4-26 © National Instruments Corporation
Table 4-3. Multiline GPIB Commands Recognized by the µPD7210
(continued)
Hex Number Message Description
15 PPU Parallel Poll Unconfigure
18 SPE Serial Poll Enable
19 SPD Serial Poll Disable
20-3E MLA My Listen Address
3F UNL Unlisten
40-5E MTA My Talk Address
5F UNT Untalk
60-6F MSA, PPE My Secondary Address or Parallel
Poll Enable
70-7E MSA, PPD My Secondary Address or Parallel
Poll Disable
The CPTR is read during a TLC-initiated Parallel Poll operation to
retrieve the Parallel Poll response. The PPR message is latched into
the CPTR when CPPS is set, until CIDS is set, or until a command
byte is sent over the GPIB.