ATA6613 ATMEL Corporation, ATA6613 Datasheet - Page 70
ATA6613
Manufacturer Part Number
ATA6613
Description
Ata6613
Manufacturer
ATMEL Corporation
Datasheet
1.ATA6613.pdf
(362 pages)
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6.8.3
Table 6-20.
70
Note:
V
Symbol
V
V
PORMAX
V
PORMIN
V
CCRR
POT
RST
1. Before rising, the supply has to be between
ATA6612/ATA6613
Power-on Reset
Power-on Reset Characteristics
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal Power-on Reset signal
VCC Min. start voltage to ensure internal Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
RESET Pin Threshold Voltage
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection level
is defined in
POR circuit can be used to trigger the start-up Reset, as well as to detect a failure in supply
voltage.
A Power-on Reset (POR) circuit ensures that the device is reset from Power-on. Reaching the
Power-on Reset threshold voltage invokes the delay counter, which determines how long the
device is kept in RESET after V
when V
Figure 6-16. MCU Start-up, RESET Tied to V
Figure 6-17. MCU Start-up, RESET Extended Externally
INTERNAL
INTERNAL
TIME-OUT
V
TIME-OUT
CC
RESET
RESET
RESET
CC
RESET
V
CC
decreases below the detection level.
V
CCRR
Table
6-20. The POR is activated whenever V
V
V
V
RST
PORMA X
PORMIN
V
PORMIN
(1)
CC
t
TOUT
and V
rise. The RESET signal is activated again, without any delay,
PORMAX
to ensure a Reset.
V
CC
RST
t
TOUT
Condition
0.1 V
0.01
-0.1
CC
CC
is below the detection level. The
Min
Typ
1.0
0.9
9111C–AUTO–02/08
0.9 V
Max
1.4
1.3
0.4
CC
Units
V/ms
V
V
V
V
V
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