ATtiny84 Atmel Corporation, ATtiny84 Datasheet - Page 184

• Manufacturer Part Number: ATtiny84
• Manufacturer: Atmel Corporation

Specifications of ATtiny84

• Flash (kbytes): 8 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 6
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 12
• Ext Interrupts: 12
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

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184
High-Voltage Serial Programming Characteristics
ATtiny24/44/84
Figure 20-6. High-voltage Serial Programming Timing
Table 20-13. High-voltage Serial Programming Characteristics
t
WLWH_PFB
Symbol
SDI (PA6), SII (PA5)
t
t
t
t
t
SHOV
SHSL
SLSH
IVSH
SHIX
T
Parameter
SCI (PB0) Pulse Width High
SCI (PB0) Pulse Width Low
SDI (PA6), SII (PB1) Valid to SCI (PB0) High
SDI (PA6), SII (PB1) Hold after SCI (PB0) High
SCI (PB0) High to SDO (PA4) Valid
Wait after Instr. 3 for Write Fuse Bits
A
SDO (PA4)
SCI (PB0)
= 25°C, V
CC
= 5V (Unless otherwise noted)
t
IVSH
t
SHSL
t
SHOV
t
SHIX
Min
125
125
50
50
Typ
2.5
16
t
SLSH
Max
8006K–AVR–10/10
Units
ms
ns
ns
ns
ns
ns