Specifications

B–3
Abbreviations, Acronyms, and Signal Mnemonics
GND Ground. . . . . . . . . . . . . .
HD Hammer Driver. . . . . . . . . . . . . . .
Hd Head. . . . . . . . . . . . . . .
HESA,B,C Hall Sense A,B,C. . . . . . . . .
HESPWR Hall Sense Power. . . . . . . . . .
HRS Hammer Reset. . . . . . . . . . . . . .
HSC Shift Clock for communication to Hammer Drivers. . . . . . . . . . . . . .
IC Integrated Circuit. . . . . . . . . . . . . . . .
IL Interlock Switch. . . . . . . . . . . . . . . .
INT Interface, Interrupt. . . . . . . . . . . . . . .
INTPOL Interface Polarity. . . . . . . . . . .
IPL2 Interrupt Level 2. . . . . . . . . . . . . .
LATSTB Latch Strobe. . . . . . . . . . .
LATPOL Latch Strobe Polarity. . . . . . . . . .
LCD Liquid Crystal Display. . . . . . . . . . . . . .
LED Light Emitting Diode. . . . . . . . . . . . . .
LRM Left Ribbon Motor. . . . . . . . . . . . . .
LW Lock Washer. . . . . . . . . . . . . . .
MA0–8 Memory Address 0 to 8. . . . . . . . . . . .
MOSFET Metal Oxide Semi–conductor Field Effect Transistor. . . . . . . . . .
MPU Magnetic Pick Up. . . . . . . . . . . . . .
Mtr Motor. . . . . . . . . . . . . . .
MUX Multiplex. . . . . . . . . . . . .
N Negative True. . . . . . . . . . . . . . . .
N_ Negative True. . . . . . . . . . . . . . .
NACK Acknowledge. . . . . . . . . . . .
NBAS Address Strobe. . . . . . . . . . . . .
NBG Bus Grant. . . . . . . . . . . . . .
NBGACK Bus Grant Acknowledge. . . . . . . . .
NBLDS Lower Data Strobe. . . . . . . . . . .
NBR Bus Request. . . . . . . . . . . . . .