ATtiny461 Automotive Atmel Corporation, ATtiny461 Automotive Datasheet - Page 196

• Manufacturer Part Number: ATtiny461 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATtiny461 Automotive

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 8
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 16
• Ext Interrupts: 16
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 11
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 150
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 2
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

23.8
196
Serial Programming Characteristics
ATtiny261/ATtiny461/ATtiny861
Figure 23-6. Serial Programming Waveforms
Figure 23-7. Serial Programming Timing
Table 23-8.
Note:
Symbol
1/t
1/t
1/t
t
t
t
t
t
t
t
t
OVSH
SHOX
CLCL
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
CLCL
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
SERIAL DATA INPUT
1. 2 t
Parameter
Oscillator Frequency (ATtiny261/461/861V)
Oscillator Period (ATtiny261/461/861V)
Oscillator Frequency (ATtiny261/461/861L, VCC =
2.7 - 5.5V)
Oscillator Period (ATtiny261/461/861L, VCC = 2.7 -
5.5V)
Oscillator Frequency (ATtiny261/461/861, V
- 5.5V)
Oscillator Period (ATtiny261/461/861, V
5.5V)
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
CLCL
Serial Programming Characteristics, T
(Unless Otherwise Noted)
SAMPLE
(MOSI)
(MISO)
for f
(SCK)
MOSI
MISO
SCK
ck
< 12 MHz, 3 t
t
OVSH
MSB
MSB
CLCL
for f
t
SHSL
ck
>= 12 MHz
CC
= 4.5V -
CC
A
t
SHOX
= 4.5V
= -40°C to 125°C, V
2 t
2 t
2 t
t
TBD
Min
250
100
CLCL
t
CLCL*
50
SLSH
CLCL
CLCL
0
0
0
*
t
SLIV
TBD
CC
Typ
= 2.7 - 5.5V
LSB
LSB
Max
TBD
7753F–AVR–01/11
10
16
4
Units
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns