Schiller AT-1 - Page 75

Chaprer 8
Glossarv
SCHILLER AT-I 3-Channel ECG Unit
SERVICE HANDBOOK Issue 2 Juiv 1998
Acronvms
DSP..
DTXCK
DTR
ECGl
ECGMUX
ECGO
EF
EJCT
EKGRES
FFOR
FL&M
FPLN
FWR
HEV
HSYNC
IPLO..:!
IREG
ISYS
KB ..
KBBEEP
KB CLR
KBCLl
'KB CL3
KBIN..
KBS..
KONV
LA
LCA
LCDAS
Digitai signal processor ion program pack).
Transfer
data acknowledge. Bus signal to acknowledge transfer of
dam
Outgoing serial data tuns modem on.
ECG in - serial ECG dam to the CPU sent over the optical interface.
The multiplexed ECG signal
from the ECG amplifier.
ECG out - serial ECG amplifier control dam from the CPU sent over
the optical interface.
Empty tlag.
Eject (paper tray).
Reset
si,d to the ECG .hpMier. T~IS si@ resets the ECG
Amplifier
to recenter the ECG image on the LCD.
First in first out read.
Control signal for
frame synchronisation of the LCD.
Input for floating point co-processor.
Rag read / write.
Output enable signal
For thermal print head dam (History enable).
Horizontal synchronisation (video
/ VGA output).
Interrupt priority level
(binary encoded).
Control signal from the current detector and limiter circuit
on the
power supply to regulate supply.
Interrupt system (2 Wz).
Keyboard data in.
Keyboard beep
(to audio amplifier).
Keyboard clear.
Keyboard clock.
Keyboard clock.
Keyboard
data in - serial data from the keyboard to the CPU.
Keyboard Strobe.
Conven
- this signal initiates the conversion or' the incoming signal
from rhe ECG .ArnpLifer..
Left
.kn.
Liquid ~xysral address - enable.
LCD Address Strobe.
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