ATtiny25 Automotive Atmel Corporation, ATtiny25 Automotive Datasheet - Page 142

• Manufacturer Part Number: ATtiny25 Automotive
• Manufacturer: Atmel Corporation

Specifications of ATtiny25 Automotive

• Flash (kbytes): 2 Kbytes
• Pin Count: 8
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 4
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 6
• Ext Interrupts: 6
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Eeprom (bytes): 128
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 125
• 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: 5
• Pwm Channels: 6
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

21.6.2
21.7
142
High-voltage Serial Programming
ATtiny25/45/85
Serial Programming Characteristics
Figure 21-3. Serial Programming Timing
Table 21-11. Serial Programming Characteristics, T
Note:
This section describes how to program and verify Flash Program memory, EEPROM Data mem-
ory, Lock bits and Fuse bits in the ATtiny25/45/85.
Symbol
1/t
1/t
1/t
t
t
t
t
t
t
t
OVSH
SHOX
SHSL
SLSH
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
1. 2 t
Parameter
Oscillator Frequency (ATtiny25/45/85V)
Oscillator Period (ATtiny25/45/85V)
Oscillator Frequency (ATtiny25/45/85L, VCC = 2.7 -
5.5V)
Oscillator Period (ATtiny25/45/85L, VCC = 2.7 -
5.5V)
Oscillator Frequency (ATtiny25/45/85, V
5.5V)
Oscillator Period (ATtiny25/45/85, V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
CLCL
(Unless Otherwise Noted)
for f
MOSI
MISO
SCK
ck
< 12 MHz, 3 t
t
OVSH
CLCL
for f
t
SHSL
ck
CC
>= 12 MHz
= 4.5V - 5.5V)
CC
= 4.5V -
A
t
SHOX
= -40°C to 125°C, V
2 t
2 t
2 t
t
Min
250
100
CLCL
t
CLCL*
50
CLCL
CLCL
SLSH
0
0
0
*
t
SLIV
Typ
CC
= 2.7 - 5.5V
Max
7598H–AVR–07/09
10
20
4
Units
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns