User Manual

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GLOSSARY
A/ D
A n alog to D igital con verter; con verts an in stan tan eous dc voltage level to a
correspon din g digital value.
ABACUS IC Custom in tegrated circuit providin g a digital receiver IF backen d.
ADSIC ABACUS/D SP Support IC; custom in tegrated circuit providin g periph eral
fun ction s for th e DSP.
ALC Autom atic Level Con trol; a circuit in th e tran sm it RF path th at con trols RF
power am plifier output, provides levelin g over frequen cy an d voltage, an d
protects again st h igh VSWR.
D/ A D igital to An alog con verter; con verts a digital value to a correspon din g dc
voltage value.
DTM F D ual Ton e Multi-Frequen cy
DPL D igital P rivate-Lin e™
DSP D igital Sign al P rocessor; m icrocon troller specifically tailored for sign al
processin g com putation s. In th is case refers specifically to Motorola
DSP56001.
Firmw are Software or a software/h ardware com bin ation of com puter program s an d data,
with a fixed logic con figuration stored in a read-on ly m em ory; in form ation
can n ot be altered or reprogram m ed.
FGU Frequen cy Gen eration Un it
FLASHport ™ A Motorola term th at describes th e ability of a radio to ch an ge m em ory. Every
FLASHport radio con tain s a FLASHport EEPROM m em ory ch ip th at can be
software written an d rewritten to, again an d again .
Host Motorola HC11F1 m icrocon trol un it U204 (see MCU).
Host Port Parallel m em ory m apped in terface con sistin g of eigh t registers in th e
DSP56001.
IC In tegrated Circuit
IM BE A sub-ban d, voice en codin g algorith m used in ASTRO digital voice.
ISW In boun d Sign allin g Word; data tran sm itted on th e con trol ch an n el from a
subscriber un it to th e cen tral con trol un it.
LSH Low Speed Han dsh ake; 150 baud digital data sen t to th e radio durin g trun ked
operation wh ile receivin g audio.
M CU MicroCon trol Un it
M DC Motorola D igital Com m un ication s