TC1796
Electrical Parameters
4.3.4
Power, Pad and Reset Timing
Table 23
Power, Pad and Reset Timing Parameters
Parameter
Symbol
Values
Unit Note /
Test Con
Min.
Typ. Max.
dition
Min. VDDP voltage to ensure
V
DDPPA CC 0.6
–
–
V
–
defined pad states1)
Oscillator start-up time2)
Minimum PORST active time tPOA
after power supplies are stable
at operating levels
tOSCS CC –
–
–
10
–
ms
ms
–
–
SR 10
HDRST pulse width
tHD
CC 1024
clock
–
–
fSYS
–
cycles3)6)
PORST rise time
Setup time to PORST rising
edge4)
tPOR
tPOS
SR –
SR 0
–
–
50
–
ms
ns
–
–
Hold time from PORST rising tPOH
SR 100
SR 0
–
–
–
–
–
–
ns
ns
ns
–
–
–
edge4)
Setup time to HDRST rising
tHDS
edge5)
Hold time from HDRST rising tHDH
SR 100 +
edge5)
(2 × 1/
6)
fSYS
)
Ports inactive after PORST
reset active7)8)
Ports inactive after HDRST
reset active
tPIP
tPI
CC –
–
–
150
ns
–
–
CC –
150 + ns
5 × 1/
fSYS
Minimum VDDP PORST
VPORST3.3
–
–
–
–
2.9
V
V
–
–
activation threshold9)
SR
Minimum VDD PORST
VPORST1.5
1.32
activation threshold9)
SR
CC –
Power on Reset Boot Time9) tBP
–
–
2
350
ms
µs
–
–
Hardware/Software Reset
tB
CC 150
Boot Time at fCPU=150MHz10)
Data Sheet
109
V1.0, 2008-04