71M6531D_10 Datasheet, PDF (105/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
5.5 Timing Specifications
5.5.1 Flash Memory
Table 85: Flash Memory Timing Specifications
Parameter
Condition
Min Typ
Flash Read Pulse Width
V3P3A = V3P3SYS = 0
(BROWNOUT Mode)
30
Flash write cycles
-40°C to +85°C
20,000
Flash data retention
25°C
100
Flash data retention
85°C
10
Flash byte write operations between
page or mass erase operations
Write Time per Byte
Page Erase (1024 bytes)
Mass Erase
Max Unit
100
ns
Cycles
Years
Years
2 Cycles
42
µs
20
ms
200
ms
5.5.2 EEPROM Interface
Table 86: EEPROM Interface Timing
Parameter
Write Clock frequency (I²C)
Write Clock frequency (3-wire)
Condition
CKMPU = 4.9 MHz,
Using interrupts
CKMPU = 4.9 MHz,
bit-banging DIO4/5
CKMPU=4.9 MHz
Min Typ Max Unit
78
kHz
150
kHz
500
kHz
5.5.3 RESET
Parameter
Reset pulse width
Reset pulse fall time
Table 87: RESET Timing
Condition
Min Typ Max Unit
5
µs
1
µs
5.5.4 RTC
Parameter
Range for date
Condition
Min Typ Max Unit
2000
2255 year
v1.3
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