ATTINY12 ATMEL Corporation, ATTINY12 Datasheet - Page 56

• Manufacturer Part Number: ATTINY12
• Description: 8-bit AVR Microcontroller with 1K Byte Flash
• Manufacturer: ATMEL Corporation

Low-voltage Serial
Programming
Characteristics
56
ATtiny11/12
Figure 32. Low-voltage Serial Programming Timing
Table 26. Low-voltage Serial Programming Characteristics T
V
Table 27. Minimum Wait Delay after the Chip Erase Instruction
Table 28. Minimum Wait Delay after Writing a Flash or EEPROM Location
Symbol
1/t
t
1/t
t
1/t
t
t
t
t
t
t
Symbol
t
Symbol
t
t
CC
CLCL
CLCL
CLCL
SHSL
SLSH
OVSH
SHOX
SLIV
WD_ERASE
WD_FLASH
WD_EEPROM
CLCL
CLCL
CLCL
= 2.2 - 5.5V (Unless otherwise noted)
Parameter
Oscillator Frequency (V
Oscillator Period (V
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
CC
CC
CC
= 2.2 - 2.7V)
= 2.7 - 4.0V)
= 4.0 - 5.5V)
CC
CC
CC
= 2.2 - 2.7V)
= 2.7 - 4.0V)
= 4.0 - 5.5V)
t
SHSL
t
SHOX
Minimum Wait Delay
Minimum Wait Delay
6.8 ms
2 t
2 t
2 t
3.4 ms
6.8 ms
1000
t
Min
250
125
CLCL
10
t
CLCL
CLCL
CLCL
SLSH
0
0
0
A
t
= -40 C to 85 C,
SLIV
Typ
16
Max
32
1006D–AVR–07/03
1
4
8
Units
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns