ATtiny4 Atmel Corporation, ATtiny4 Datasheet - Page 5

• Manufacturer Part Number: ATtiny4
• Manufacturer: Atmel Corporation

Specifications of ATtiny4

• Flash (kbytes): 0.5 Kbytes
• Pin Count: 6
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 1
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 4
• Ext Interrupts: 4
• Usb Speed: No
• Usb Interface: No
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 0.03
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 1
• Output Compare Channels: 2
• Input Capture Channels: 1
• Pwm Channels: 2
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

1.5
1.5.1
1.5.2
8127D–Appendix A–AVR–08/11
System and Reset Characteristics
Power-On Reset
V
CC
Level Monitor
Table 1-4.
Note:
Table 1-5.
Notes:
Table 1-6.
Note:
Parameter
Trigger level VLM1L
Trigger level VLM1H
Trigger level VLM2
Trigger level VLM3
Settling time VMLM2,VLM3 (VLM1H,VLM1L)
Symbol
Symbol
V
SR
V
V
t
t
TOUT
RST
POR
RST
POA
ON
1. Values are guidelines, only
1. Values are guidelines, only
2. Threshold where device is released from reset when voltage is rising
3. The Power-on Reset will not work unless the supply voltage has been below V
1. Typical values at room temperature
Parameter
RESET Pin Threshold
Voltage
Minimum pulse width on
RESET Pin
Time-out after reset
Parameter
Release threshold of power-on reset
Activation threshold of power-on reset
Power-On Slope Rate
Reset and Internal Voltage Characteristics
Characteristics of Enhanced Power-On Reset.
Voltage Level Monitor Thresholds
V
V
V
Condition
CC
CC
CC
= 1.8V
= 3V
= 5V
(2)
(3)
Min
1.1
1.4
2.0
3.0
0.2 V
Min
Min
0.01
1.1
0.6
Typ
5 (50)
(1)
T
(1)
CC
1.4
1.6
2.5
3.7
A
(1)
= -40 - 125°C
Typ
Typ
2000
700
400
ATtiny4/5/9/10
64
1.4
1.3
(1)
(1)
Max
1.7
1.9
2.7
4.5
0.9V
Max
Max
128
1.7
1.7
(1)
CC
(1)
POT
(falling)
Units
Units
Units
µs
V/ms
V
ms
ns
V
V
V
5