ATtiny25 Automotive Atmel Corporation, ATtiny25 Automotive Datasheet - Page 182

• 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

24. Register Summary
182
Notes:
Address
0x3D
0x3C
0x2D
0x2C
0x1D
0x1C
0x0D
0x0C
0x3F
0x3E
0x3B
0x3A
0x39
0x38
0x37
0x36
0x35
0x34
0x33
0x32
0x31
0x30
0x2F
0x2E
0x2B
0x2A
0x29
0x28
0x27
0x26
0x25
0x24
0x23
0x22
0x21
0x20
0x1F
0x1E
0x1B
0x1A
0x19
0x18
0x17
0x16
0x15
0x14
0x13
0x12
0x11
0x10
0x0F
0x0E
0x0B
0x0A
0x09
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory
2. I/O Registers within the address range 0x00 - 0x1F are directly bit-accessible using the SBI and CBI instructions. In these
3. Some of the Status Flags are cleared by writing a logical one to them. Note that, unlike most other AVRs, the CBI and SBI
ATtiny25/45/85
addresses should never be written.
registers, the value of single bits can be checked by using the SBIS and SBIC instructions.
instructions will only operation the specified bit, and can therefore be used on registers containing such Status Flags. The
CBI and SBI instructions work with registers 0x00 to 0x1F only.
Reserved
SPMCSR
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
TCCR0B
OSCCAL
TCCR0A
PLLCSR
GPIOR2
GPIOR1
GPIOR0
Name
MCUCR
MCUSR
GTCCR
WDTCR
PCMSK
TCCR1
OCR1A
OCR1C
OCR1B
OCR0A
OCR0B
CLKPR
EEARH
PORTB
GIMSK
TCNT0
TCNT1
DTPS1
EEARL
TIMSK
DWDR
DIDR0
USIBR
USIDR
USISR
USICR
SREG
EEDR
EECR
DDRB
DT1A
DT1B
GIFR
TIFR
PINB
SPH
PRR
SPL
COM0A1
CLKPCE
DT1AH3
DT1BH3
FOC0A
EEAR7
USISIE
WDTIF
USICIF
Bit 7
BODS
CTC1
TSM
SP7
SM
–
–
–
–
–
–
–
–
–
–
–
–
–
–
-
I
COM0A0
DT1AH2
DT1BH2
OCIE1A
PWM1A
PWM1B
OCF1A
FOC0B
EEAR6
USIOIF
USIOIE
WDTIE
Bit 6
INTF0
INT0
PUD
SP6
T
–
–
–
–
–
–
–
–
–
–
–
-
COM1A1
COM1B1
COM0B1
PORTB5
DT1AH1
DT1BH1
USIWM1
OCIE1B
PCINT5
OCF1B
EEAR5
EEPM1
ADC0D
Bit 5
WDP3
PINB5
USIPF
DDB5
PCIE
PCIF
SP5
SE
H
–
–
–
–
–
–
-
Timer/Counter0 – Output Compare Register A
Timer/Counter0 – Output Compare Register B
Timer/Counter1 Output Compare Register A
Timer/Counter1 Output Compare Register C
Timer/Counter1 Output Compare Register B
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
COM1A0
COM1B0
COM0B0
DT1AH0
DT1BH0
PORTB4
USIWM0
OCIE0A
EEPROM Data Register
PCINT4
OCF0A
EEAR4
EEPM0
ADC2D
WDCE
USIDC
Bit 4
PINB4
CTPB
DDB4
SM1
SP4
USI Buffer Register
S
USI Data Register
–
–
–
–
–
–
–
-
Timer/Counter1
Timer/Counter0
DWDR[7:0]
–
–
–
–
–
–
–
–
–
USICNT3
PORTB3
CLKPS3
OCIE0B
WGM02
DT1AL3
DT1BL3
PRTIM1
USICS1
PCINT3
OCF0B
FOC1B
EEAR3
ADC3D
Bit 3
WDRF
EERIE
PINB3
DDB3
RFLB
CS13
WDE
SM0
SP3
V
–
–
–
–
–
-
USICNT2
PORTB2
CLKPS2
PGWRT
DT1AL2
DT1BL2
PRTIM0
EEMWE
BODSE
PCINT2
USICS0
FOC1A
EEAR2
ADC1D
Bit 2
TOIE1
WDP2
PINB2
BORF
PCKE
DDB2
TOV1
CS02
CS12
SP2
N
–
–
–
-
USICNT1
PORTB1
CLKPS1
WGM01
DT1AL1
DT1BL1
DTPS11
USICLK
PGERS
PCINT1
EXTRF
EEAR1
PRUSI
Bit 1
TOIE0
ISC01
WDP1
EEWE
PINB1
EIN1D
DDB1
TOV0
CS01
CS11
PSR1
PLLE
SP1
Z
–
–
–
USICNT0
CLKPS0
PORTB0
WGM00
DT1AL0
DT1BL0
DTPS10
SPMEN
PRADC
PCINT0
PLOCK
EEAR8
EEAR0
Bit 0
WDP0
PINB0
AIN0D
USITC
ISC00
PORF
EERE
DDB0
CS00
CS10
PSR0
SP8
SP0
C
–
–
–
–
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