Datasheet

184
7701F–AVR–10/12
Atmel ATtiny24/44/84 [Preliminary]
22.6 Serial Programming Characteristics
Figure 22-3. Serial Programming Timing
Figure 22-4. Serial Programming Waveforms
Offset Error
Gain = 1x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-5.0 2.0 5.0 LSB
Bipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-5.0 2.0 5.0 LSB
Unipolar - Gain = 20x
V
REF
= 4V, V
CC
= 5V
ADC clock = 50 - 200kHz
-6.5 2.0 6.5 LSB
Clock Frequency 50 200 kHz
Conversion Time 65 260 µs
V
REF
Reference Voltage 2.56 AVCC - 0.5 V
V
IN
Input Voltage GND AVCC V
V
DIFF
Input Differential Voltage -V
REF
/Gain V
REF
/Gain V
Table 22-7. ADC Characteristics, Differential Channels, T
A
= -40°C to 125°C (Continued)
Symbol Parameter Condition Min Typ Max Units
MOSI
MISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
t
SLIV
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT