参数资料
型号: 78M6612SP-EVM-1
厂商: Maxim Integrated Products
文件页数: 35/46页
文件大小: 0K
描述: EVAL BOARD 78M6612
标准包装: 1
系列: *
DS_6612_001
78M6612 Data Sheet
4.5
4.5.1
Timing Specifications
RAM and Flash Memory
Table 22: RAM and Flash Memory Specifications
Parameter
Condition
Min
Typ
Max
Unit
CKMPU = 4.9152 MHz
5
Cycles
CE DRAM wait states
CKMPU = 1.25 MHz
CKMPU = 614 kHz
2
1
Cycles
Cycles
Flash Read Pulse Width
Flash write cycles
Flash data retention
Flash data retention
Flash byte writes between page or
mass erase operations
V3P3A=V3P3SYS=0
BROWNOUT MODE
-40 °C to +85 °C
25 °C
85 °C
30
20,000
100
10
100
2
ns
Cycles
Years
Years
Cycles
4.5.2
Flash Memory Timing
Table 23: Flash Memory Timing Specifications
Parameter
Condition
Min
Typ
Max
Unit
Write Time per Byte
Page Erase (512 bytes)
Mass Erase
4.5.3
EEPROM Interface
Table 24: EEPROM Interface Timing
42
20
200
μs
ms
ms
Write Clock frequency (I C)
Parameter
2
Write Clock frequency (3-wire)
Condition
CKMPU=4.9152 MHz,
Using interrupts
CKMPU=4.9152 MHz,
“bit-banging” DIO4/5
CKMPU=4.9152 MHz
Min
Typ
78
150
500
Max
Unit
kHz
kHz
kHz
4.5.4
RESET and V1
Table 25: RESET and V1 Timing
Parameter
Condition
Min
Typ
Max
Unit
Reset pulse fall time
Reset pulse width
5
1
μ s
μ s
V1 Response Time
+100 mv overdrive
10
37
100
μ s
4.5.5
RTC
Table 26: RTC Range
Parameter
Range for date
Condition
Min
2000
Typ
Max
2255
Unit
year
Rev 2
35
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