AT90LS2343 ATMEL [ATMEL Corporation], AT90LS2343 Datasheet - Page 46

• Manufacturer Part Number: AT90LS2343
• Description: 8-Bit Microcontroller with 2K Bytes of In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Low-voltage Serial Programming Characteristics
46
AT90S/LS2323/2343
Figure 37. Low-voltage Serial Programming Timing
Table 20. Low-voltage Serial Programming Characteristics, T
2.7 - 6.0V (unless otherwise noted)
Table 21. Minimum Wait Delay after the Chip Erase Instruction
Table 22. Minimum Wait Delay after Writing a Flash or EEPROM Location
Symbol
1/t
t
1/t
t
t
t
t
t
t
Symbol
t
Symbol
t
CLCL
CLCL
SHSL
SLSH
OVSH
SHOX
SLIV
WD_ERASE
WD_PROG
CLCL
CLCL
Parameter
Oscillator Frequency (V
Oscillator Period (V
Oscillator Frequency (V
Oscillator Period (V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
MOSI
MISO
SCK
t
OVSH
18 ms
3.2V
9 ms
3.2V
CC
CC
= 2.7 - 4.0V)
= 4.0 - 6.0V)
CC
CC
= 2.7 - 4.0V)
= 4.0 - 6.0V)
t
SHSL
14 ms
3.6V
7 ms
3.6V
t
SHOX
2.0 t
2.0 t
2.0 t
250.0
125.0
t
10.0
Min
CLCL
0
0
CLCL
CLCL
CLCL
t
6 ms
4.0V
SLSH
12 ms
A
4.0V
= -40 ° C to 85 ° C, V
16.0
t
Typ
SLIV
Max
32.0
4.0
8.0
4 ms
5.0V
1004D–09/01
8 ms
5.0V
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
CC
=