ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 194

• Manufacturer Part Number: ATtiny461A
• Manufacturer: Atmel Corporation

Specifications of ATtiny461A

• Flash (kbytes): 4 Kbytes
• Pin Count: 20
• Max. Operating Frequency: 20 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: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 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

19.9
Figure 19-5. Parallel Programming Timing, Including some General Timing Requirements
194
(DATA, XA0, XA1/BS2, PAGEL/BS1)
Parallel Programming Characteristics
ATtiny261A/461A/861A
Data & Contol
RDY/BSY
Table 19-11. Serial Programming Characteristics, T
Note:
Symbol
1/t
1/t
XTAL1
t
t
t
t
t
t
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
WR
1. 2 t
Parameter
Oscillator Frequency
Oscillator Period
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
CLCL
(Unless Otherwise Noted)
for f
t
t
BVPH
DVXH
ck
< 12 MHz, 3 t
t
CC
XHXL
= 4.5V - 5.5V
CC
CLCL
= 4.5V - 5.5V)
t
t
t
t
XLDX
PLBX
for f
XLWL
PLWL
ck
>= 12 MHz
t
BVWL
A
= -40°C to +85°C, V
t
WLWH
WLRL
2 t
2 t
2 t
t
CLCL
CLCL
Min
250
CLCL
50
CLCL
0
0
(1)
(1)
t
WLBX
Typ
CC
= 1.8 - 5.5V
Max
100
8197C–AVR–05/11
20
4
t
WLRH
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns