K61P144M120SF3 Datasheet, PDF (45/82 Pages) Freescale Semiconductor, Inc – K61 Sub-Family Data Sheet

Peripheral operating requirements and behaviors
Table 27. DryIce Tamper Electrical Specifications (continued)
Symbol
I_TAM
Description
Supply current
• clock tamper enabled
• clock and voltage tamper enabled
• clock, voltage and temperature tamper enabled
Min
Typ
Max
Unit Notes
0.9
TBD
μA
1.01
TBD
μA
1.35
TBD
μA
EXTAL32 input clock
Low Voltage Detect
• assertion
• negation
32.768
kHz
1
1.55
1.60
1.65
V
1.7
1.75
1.8
V
High Voltage Detect assertion
Voltage Tamper Detect operational temperature
• no false alarms
• with possible false alarms
3.65
3.7
3.75
V
-50
150
°C
-60
160
°C
Temperature Tamper Detect assertion
• low temperature detect
• high temperature detect
2
-55
-45
°C
110
130
°C
Temperature Tamper Detect operational voltage
• no false alarms
• with possible false alarms
1.6
< 1.5
3.7
V
> 3.8
V
Clock Tamper Detect assertion
• low frequency
• high frequency
• delay after loss of clock
3
20
kHz
40
kHz
2
ms
Clock Tamper Detect operational temperature
• no false alarms
-50
• with possible false alarms
-60
150
°C
160
Clock Tamper Detect operational voltage
• no false alarms
• with possible false alarms
1.6
< 1.5
3.7
V
> 3.8
V
1. EXTAL32 oscillator must be enabled before enabling DryIce tamper detect.
2. Temperature tamper detector assertion/negation is refreshed each 28 EXTAL32 clock cycles.
3. Clock tamper detector assertion/negation is refreshed each 28 EXTAL32 clock cycles.
6.6 Analog
K61 Sub-Family Data Sheet Data Sheet, Rev. 3, 2/2012.
Freescale Semiconductor, Inc.
Preliminary
45