71M6543F/H and 71M6543G/GH Data Sheet
6.5
Timing Specifications
6.5.1 Flash Memory
Table 107: Flash Memory Timing Specifications
Parameter
Condition
Min
Typ
Max
Unit
Flash write cycles
Flash data retention
-40 °C to +85 °C
20,000
Cycles
25 °C
85 °C
100
10
Years
Flash byte writes between page or
mass erase operations
2
Cycles
Write Time per Byte
Page Erase (1024 bytes)
Mass Erase
21
21
21
µs
ms
ms
6.5.2 SPI Slave
Table 108. SPI Slave Timing Specifications
Parameter
SPI Setup Time
SPI Hold Time
SPI Output Delay
SPI Recovery Time
SPI Removal Time
SPI Clock High
SPI Clock Low
Condition
Min
10
10
Typ
Max
Unit
ns
ns
ns
ns
ns
ns
SPI_DI to SPI_CK rise
SPI_CK rise to SPI_DI
SPI_CK fall to SPI_D0
SPI_CSZ fall to SPI_CK
SPI_CK to SPI_CSZ rise
40
10
15
40
40
ns
SPI Clock Freq
SPI Transaction Space
SPI Freq/MPU Freq
SPI_CSZ rise to SPI_CSZ fall
2.0
MHz/MHz
MPU Cycles
4.5
6.5.3 EEPROM Interface
Parameter
Table 109: EEPROM Interface Timing
Condition
Min
Typ
Max
Unit
CKMPU = 4.9 MHz,
Using interrupts
310
kHz
Write Clock frequency (I2C)
CKMPU = 4.9 MHz,
bit-banging DIO2/3
PLL_FAST = 0
100
kHz
kHz
Write Clock frequency (3-wire)
CKMPU = 4.9 MHz
PLL_FAST = 0
PLL_FAST = 1
160
500
146
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