ATtiny25 Automotive Atmel Corporation, ATtiny25 Automotive Datasheet - Page 143

• 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

7598H–AVR–07/09
Figure 21-4. High-voltage Serial Programming
Table 21-12. Pin Name Mapping
Table 21-13. High-voltage Serial Programming Characteristics T
Table 21-14. Pin Values Used to Enter Programming Mode
Signal Name in High-voltage
Serial Programming Mode
SDI
SII
SDO
SCI
Symbol
t
t
t
t
t
t
Pin
SDI
SII
SDO
SHSL
SLSH
IVSH
SHIX
SHOV
WLWH_PFB
V
CC
Parameter
SCI (PB3) Pulse Width High
SCI (PB3) Pulse Width Low
SDI (PB0), SII (PB1) Valid to SCI (PB3) High
SDI (PB0), SII (PB1) Hold after SCI (PB3)
High
SCI (PB3) High to SDO (PB2) Valid
Wait after Instr. 3 for Write Fuse Bits
= 5.0V ±10% (Unless otherwise noted)
Symbol
Prog_enable[0]
Prog_enable[1]
Prog_enable[2]
Pin Name
PB0
PB1
PB2
PB3
I
I
O
I
I/O
Function
Serial Data Input
Serial Instruction Input
Serial Data Output
Serial Clock Input (min. 220ns period)
Min
125
125
50
50
A
= 25°C ±10%,
ATtiny25/45/85
Typ
2.5
16
Max
Value
0
0
0
Units
ms
ns
ns
ns
ns
ns
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