User Manual

MHX-920 Operating Manual: Chapter 2 Electrical/Physical 9
2.4 AC Characteristics
Sym Characteristic Min Typ Max Units
T
TOUT
Reset Delay Time-Out Period 500 ms
T
R2D
Internal Reset to Data Mode* 0 5 s
T
R2C
Internal Reset to Command Mode 0 ms
*Unit will enter into Command Mode upon power up if register S0=0. Unit will enter into Data
Mode upon power-up if register S0=1. When powering up into Data Mode, an additional delay
of 5 seconds is added if Register S119=1. See page 14 for details.
Figure 3 provides timing information for both power-up reset and the \Reset
line operation. A fixed internal reset delay timer of roughly 500ms is
triggered as the V
POT
or V
RST
threshold is reached.
T
V
VDV
\Reset
Internal Reset
CC
TOUT
RST
POT
T
Data Mode
R2D
T
Command Mode
R2C
(Valid when S0=1)
(Valid when S0=0)
Figure 3. Reset Timing