71M6533 Datasheet, PDF (110/124 Pages) Teridian Semiconductor Corporation – Energy Meter IC

71M6533/71M6534 Data Sheet
FDS_6533_6534_004
5.5 Timing Specifications
5.5.1 Flash Memory
Table 81: Flash Memory Timing Specifications
Parameter
Flash Read Pulse Width
Condition
Min Typ Max Unit
V3P3A = V3P3SYS = 0 30
(BROWNOUT Mode)
100
ns
Flash write cycles
Flash data retention
Flash data retention
Flash byte writes between page or
mass erase operations
Write Time per Byte
Page Erase (1024 bytes)
Mass Erase
-40°C to +85°C
25°C
85°C
20,000
100
10
5.5.2 EEPROM Interface
Table 82: 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
78
150
500
5.5.3 RESET
Parameter
Reset pulse width
Reset pulse fall time
Table 83: RESET Timing
Condition
Min Typ
5
Cycles
Years
Years
2 Cycles
42
µs
20
ms
200
ms
Max Unit
kHz
kHz
kHz
Max Unit
µs
1
µs
5.5.4 RTC
Parameter
Range for date
Table 84: RTC Range for Date
Condition
Min Typ Max Unit
2000
-
2255 year
110
© 2007-2009 TERIDIAN Semiconductor Corporation
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