attiny24v ATMEL Corporation, attiny24v Datasheet - Page 183

• Manufacturer Part Number: attiny24v
• Description: 8-bit Avr Microcontroller With 2/4/8k Bytes Insystem Programmable Flash
• Manufacturer: ATMEL Corporation

20.8
8006H–AVR–10/09
Serial Programming Characteristics
Figure 20-4. Serial Programming Timing
Figure 20-5. Serial Programming Waveform
Table 20-12. Serial Programming Characteristics, T
Note:
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
Symbol
1/t
1/t
SERIAL DATA INPUT
t
t
t
t
t
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
CLCL
CLCL
1. 2 t
Parameter
Oscillator Frequency (ATtiny24/44/84V)
Oscillator Period (ATtiny24/44/84V)
Oscillator Freq. (ATtiny24/44/84, V
Oscillator Period (ATtiny24/44/84, V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SAMPLE
MOSI
MISO
CLCL
(MOSI)
(MISO)
Otherwise Noted)
SCK
(SCK)
for f
ck
< 12 MHz, 3 t
t
OVSH
MSB
MSB
CLCL
for f
t
SHSL
ck
CC
CC
>= 12 MHz
= 4.5V - 5.5V)
= 4.5V - 5.5V)
A
= -40°C to 85°C, V
t
SHOX
2 t
2 t
2 t
t
CLCL
Min
250
CLCL
CLCL
50
CLCL
0
0
ATtiny24/44/84
(1)
(1)
t
SLSH
CC
Typ
= 1.8 - 5.5V (Unless
Max
20
4
LSB
LSB
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
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