Datasheet

Data Sheet 71M6531D/F-71M6532D/F FDS 6531/6532 005
106 Rev 2
5.5 Timing Specifications
5.5.1 Flash Memory
Table 85: Flash Memory Timing Specifications
Parameter
Condition
Min
Typ
Max
Unit
Flash Read Pulse Width
V3P3A = V3P3SYS = 0
(BROWNOUT Mode)
30 100 ns
Flash write cycles
-40°C to +85°C
20,000
Cycles
Flash data retention
25°C
100
Years
Flash data retention
85°C
10
Years
Flash byte write operations between
page or mass erase operations
2 Cycles
Write Time per Byte
42
µs
Page Erase (1024 bytes)
20
ms
Mass Erase
200
ms
5.5.2 EEPROM Interface
Table 86: EEPROM Interface Timing
Parameter
Condition
Min
Typ
Max
Unit
Write Clock frequency (I
2
C)
CKMPU = 4.9 MHz,
Using interrupts
78 kHz
CKMPU = 4.9 MHz,
bit-banging DIO4/5
150 kHz
Write Clock frequency (3-wire)
CKMPU=4.9 MHz
500
kHz
5.5.3 RESET
Table 87: RESET Timing
Parameter
Condition
Min
Typ
Max
Unit
Reset pulse width
5
µs
Reset pulse fall time
1
1
µs
1
Guaranteed by design; not production tested.
5.5.4 RTC
Parameter
Condition
Min
Typ
Max
Unit
Range for date
2000
2255
year