CY8C24x23A Final Data Sheet
3. Electrical Specifications
3.3.9
DC POR, SMP, and LVD Specifications
The following table lists guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V
and -40°C
≤
T
A
≤
85°C, 3.0V to 3.6V and -40°C
≤
T
A
≤
85°C, or 2.4V to 3.0V and -40°C
≤
T
A
≤
85°C, respectively. Typical parameters
apply to 5V, 3.3V, and 2.7V at 25°C and are for design guidance only.
Note
The bits PORLEV and VM in the table below refer to bits in the VLT_CR register. See the
PSoC Mixed-Signal Array Technical
Reference Manual
for more information on the VLT_CR register.
Table 3-19. DC POR and LVD Specifications
Symbol
V
PPOR0
V
PPOR1
V
PPOR2
V
LVD0
V
LVD1
V
LVD2
V
LVD3
V
LVD4
V
LVD5
V
LVD6
V
LVD7
V
PUMP0
V
PUMP1
V
PUMP2
V
PUMP3
V
PUMP4
V
PUMP5
V
PUMP6
V
PUMP7
PORLEV[1:0] = 00b
PORLEV[1:0] = 01b
PORLEV[1:0] = 10b
Vdd Value for LVD Trip
VM[2:0] = 000b
VM[2:0] = 001b
VM[2:0] = 010b
VM[2:0] = 011b
VM[2:0] = 100b
VM[2:0] = 101b
VM[2:0] = 110b
VM[2:0] = 111b
Vdd Value for SMP Trip
VM[2:0] = 000b
VM[2:0] = 001b
VM[2:0] = 010b
VM[2:0] = 011b
VM[2:0] = 100b
VM[2:0] = 101b
VM[2:0] = 110b
VM[2:0] = 111b
2.50
0
2.96
3.03
3.18
4.54
4.62
4.71
4.89
2.55
0
3.02
3.10
3.25
0
4.64
4.73
4.82
5.00
2.62
c
3.09
3.16
3.32
d
4.74
4.83
4.92
5.12
V
V
0
V
0
V
0
V
0
V
V
V
2.40
2.85
2.95
3.06
4.37
4.50
4.62
4.71
2.45
0
2.92
0
3.02
3.13
4.48
4.64
4.73
4.81
2.51
a
2.99
b
3.09
3.20
4.55
4.75
4.83
4.95
V
0
V
0
V
0
V
0
V
0
V
V
V
–
Description
Vdd Value for PPOR Trip
2.36
2.82
4.55
2.40
2.95
4.70
V
V
V
Min
Typ
Max
Units
Notes
Vdd must be greater than or equal to 2.5V
during startup, reset from the XRES pin, or
reset from Watchdog.
a.
b.
c.
d.
Always greater than 50 mV above V
PPOR
(PORLEV=00) for falling supply.
Always greater than 50 mV above V
PPOR
(PORLEV=01) for falling supply.
Always greater than 50 mV above
V
LVD0
.
Always greater than 50 mV above
V
LVD3
.
October 17, 2006
Document No. 38-12028 Rev. *F
29
CYPRESS [ CYPRESS SEMICONDUCTOR ]
