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CY8C4128FNI-BL473 Datasheet(Fiches technique) 30 Page - Cypress Semiconductor

Numéro de pièce CY8C4128FNI-BL473
Description  Programmable System-on-Chip
Télécharger  47 Pages
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Fabricant  CYPRESS [Cypress Semiconductor]
Site Internet  http://www.cypress.com
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PRELIMINARY
PSoC® 4: PSoC 4XX8_BLE
Family Datasheet
Document Number: 001-94624 Rev. *K
Page 30 of 47
System Resources
Power-on-Reset (POR)
Note
5. It can take as much as 20 milliseconds to write to flash. During this time, the device should not be reset, or flash operations will be interrupted and cannot be relied
on to have completed. Reset sources include the XRES pin, software resets, CPU lockup states and privilege violations, improper power supply levels, and watchdogs.
Make certain that these are not inadvertently activated.
Table 38. Flash AC Specifications
Spec ID
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
SID250
TROWWRITE[5]
Row (block) write time (erase and
program)
20
ms
Row (block) = 256 bytes
SID251
TROWERASE[5]
Row erase time
13
ms
SID252
TROWPROGRAM[5] Row program time after erase
7
ms
SID253
TBULKERASE[5]
Bulk erase time (256 KB)
35
ms
SID254
TDEVPROG[5]
Total device program time
50
seconds For 256 KB
SID255
FEND
Flash endurance
100 K
cycles
SID256
FRET
Flash retention. TA  55 °C, 100 K
P/E cycles
20
years
SID257
FRET2
Flash retention. TA  85 °C, 10 K
P/E cycles
10
years
Table 39. POR DC Specifications
Spec ID
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
SID258
VRISEIPOR
Rising trip voltage
0.80
1.45
V
SID259
VFALLIPOR
Falling trip voltage
0.75
1.40
V
SID260
VIPORHYST
Hysteresis
15
200
mV
Table 40. POR AC Specifications
Spec ID
Parameter
Description
Min
Typ
Max
Units
Details/Conditions
SID264
TPPOR_TR
PPOR response time in Active
and Sleep modes
––1
µs
Table 41. Brown-Out Detect
Spec ID#
Parameter
Description
Min
Typ
Max
Units
Details/
Conditions
SID261
VFALLPPOR
BOD trip voltage in Active and Sleep
modes
1.64
V
SID262
VFALLDPSLP
BOD trip voltage in Deep Sleep mode
1.4
V
Table 42. Hibernate Reset
Spec ID#
Parameter
Description
Min
Typ
Max
Units
Details/
Conditions
SID263
VHBRTRIP
BOD trip voltage in Hibernate mode
1.1
V




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