Z86L9900100ZEM Datasheet, PDF (56/70 Pages) Zilog, Inc. – ICEBOX

ULE
ULT
UM
USART
USB
USC
UTB
V
V_CC
V_DD
V_PP
VRAM
V_REF
WDT
Glossary–10
Glossary
Unsigned Less Than or Equal.
Unsigned Less Than.
UserÕs Manual.
Universal Synchronous/Asynchronous
Receiver/Transmitter. Can handle synchronous as well
as asynchronous transmissions.
Universal Serial Bus.
Universal Serial Controller.
Use Test Box. A board or system to test a particular
chip in an end-use application.
Volt, Overflow Flag.
Supply Voltage.
Voltage from the Digital Power Supply.
Programmed Voltage.
Video Random-Access Memory. A special form of
RAM chip that has a separate serial-output port for
display refresh operations. This architecture speeds up
video adaptor performance.
Analog Reference Voltage.
Watch-Dog Timer. A timer that, when enabled under
normal operating conditions, must be reset within the
time period set within the application (WDTMR (1,0)). If
the timer is not reset, a Power-on Reset occurs. Some
earlier manuals refer to this timer as the WDTMR.
UM005100-IRR0400