Datasheet

71M6543F/71M6543G Data Sheet
v2 143
6.5 Timing Specifications
6.5.1 Flash Memory
Table 105: Flash Memory Timing Specifications
Parameter
Condition
Min
Typ
Max
Unit
Flash write cycles
-40 °C to +85 °C
20,000
Cycles
Flash data retention
25 °C
85 °C
100
10
Years
Flash byte writes between page or
mass erase operations
2 Cycles
Write Time per Byte
21
µs
Page Erase (1024 bytes)
21
ms
Mass Erase
21
ms
6.5.2 SPI Slave
Table 106. SPI Slave Timing Specifications
Parameter
Condition
Min
Typ
Max
Unit
SPI Setup Time
SPI_DI to SPI_CK rise
10
ns
SPI Hold Time
SPI_CK rise to SPI_DI
10
ns
SPI Output Delay
SPI_CK fall to SPI_D0
40
ns
SPI Recovery Time
SPI_CSZ fall to SPI_CK
10
ns
SPI Removal Time
SPI_CK to SPI_CSZ rise
15
ns
SPI Clock High
40
ns
SPI Clock Low
40
ns
SPI Clock Freq
SPI Freq/MPU Freq
2.0
MHz/MHz
SPI Transaction Space
SPI_CSZ rise to SPI_CSZ fall
4.5
MPU Cycles
6.5.3 EEPROM Interface
Table 107: EEPROM Interface Timing
Parameter Condition Min Typ Max Unit
Write Clock frequency (I
2
C)
CKMPU = 4.9 MHz,
Using interrupts
310 kHz
CKMPU = 4.9 MHz,
bit-banging DIO2/3
PLL_FAST = 0
100 kHz
Write Clock frequency (3-wire)
CKMPU = 4.9 MHz
PLL_FAST = 0
PLL_FAST = 1
160
500
kHz