18 a_t1r (t1 time register), 19 a_tsr (time stamp register), 20 a_ibbar (ibus base address register) – NEC Network Controller uPD98502 User Manual

18 a_t1r (t1 time register), 19 a_tsr (time stamp register), 20 a_ibbar (ibus base address register) | 21 a_inbar (instruction base address register) | NEC Network Controller uPD98502 User Manual | Page 245 / 595