ISA3 Ember, ISA3 Datasheet - Page 41
![INSIGHT ADAPTER 3 FOR EM35X](/photos/14/2/140217/isa3_sml.jpg)
ISA3
Manufacturer Part Number
ISA3
Description
INSIGHT ADAPTER 3 FOR EM35X
Manufacturer
Ember
Datasheet
1.EM35X-DEV-UPG-IAR.pdf
(245 pages)
Specifications of ISA3
Accessory Type
Adapter
For Use With/related Products
EM35x
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
636-1022
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- Download datasheet (12Mb)
6.2
Resets
The EM35x resets are generated from a number of sources. Each of these reset sources feeds into central reset
detection logic that causes various parts of the system to be reset depending on the state of the system and
the nature of the reset event.
6.2.1
6.2.1.1 Power-On-Resets (POR HV and POR LV)
The EM35x measures the voltage levels supplied to the three power domains. If a supply voltage drops below a
low threshold, then a reset is applied. The reset is released if the supply voltage rises above a high threshold.
There are three detection circuits for power-on-reset as follows:
The POR LVcore and POR LVmem reset sources are merged to provide a single reset source, POR LV, to the
Reset Generation module, since the detection of either event needs to reset the same system modules.
Parameter
Always-on domain release
Always-on domain assert
Supply rise time
Parameter
1.25 V domain release
1.25 V domain assert
Parameter
1.8 V domain release
1.8 V domain assert
POR HV monitors the always-on domain supply voltage. Thresholds are given in Table 6-1.
POR LVcore monitors the core domain supply voltage. Thresholds are given in Table 6-2.
POR LVmem monitors the memory supply voltage. Thresholds are given in Table 6-3.
Reset Sources
Table 6-2. POR LVcore Thresholds
Table 6-3 POR LVmem Thresholds
Table 6-1. POR HV Thresholds
Test conditions
Final
Test conditions
6-3
Test conditions
From 0.5 V to 1.7 V
Min
0.8
0.9
1.35
1.26
Min
0.62
0.45
Min
EM351 / EM357
Typ
1.0
0.9
0.95
0.65
Typ
Typ
1.5
1.4
Max
1.1
1.0
Max
1.65
1.54
Max
1.20
0.85
250
120-035X-000G
Unit
Unit
Unit
µs
V
V
V
V
V
V
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