ATTINY43U-MU Atmel, ATTINY43U-MU Datasheet - Page 167

• Manufacturer Part Number: ATTINY43U-MU
• Description: MCU AVR 4K FLASH 8MHZ 20-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY43U-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-MLF®, QFN
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• For Use With: ATSTK600-TINYX3U - STK600 SOCKET/ADAPTER TINYX3U
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22. Register Summary
8048B–AVR–03/09
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x1D (0x3D)
0x1C (0x3C)
0x0D (0x2D)
0x0C (0x2C)
0x3F (0x5F)
0x3E (0x5E)
0x3B (0x5B)
0x3A (0x5A)
0x2F (0x4F)
0x2E (0x4E)
0x2B (0x4B)
0x2A (0x4A)
0x1F (0x3F)
0x1E (0x3E)
0x1B (0x3B)
0x1A (0x3A)
0x0F (0x2F)
0x0E (0x2E)
0x0B (0x2B)
0x0A (0x2A)
Address
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x19 (0x39)
0x18 (0x38)
0x17 (0x37)
0x16 (0x36)
0x15 (0x35)
0x14 (0x34)
0x13 (0x33)
0x12 (0x32)
0x11 (0x31)
0x10 (0x30)
0x09 (0x29)
0x08 (0x28)
0x07 (0x27)
0x06 (0x26)
0x05 (0x25)
0x04 (0x24)
0x03 (0x23)
0x02 (0x22)
0x01 (0x21)
0x00 (0x20)
WDTCSR
SPMCSR
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PCMSK0
Reserved
Reserved
Reserved
ADCSRA
ADCSRB
Reserved
TCCR0B
OSCCAL
TCCR0A
TCCR1A
TCCR1B
PCMSK1
GPIOR2
GPIOR1
GPIOR0
Name
TIMSK0
MCUCR
MCUSR
GTCCR
TIMSK1
ADMUX
OCR0B
OCR0A
OCR1A
OCR1B
PORTA
PORTB
GIMSK
TCNT0
TCNT1
CLKPR
DWDR
USIBR
USIDR
USISR
USICR
DIDR0
SREG
TIFR0
EEDR
EECR
DDRA
DDRB
TIFR1
ACSR
ADCH
EEAR
ADCL
GIFR
PINA
PINB
SPH
PRR
SPL
COM0A1
COM1A1
CLKPCE
PCINT15
PORTA7
PORTB7
PCINT7
FOC0A
FOC1A
USISIF
USISIE
Bit 7
BODS
PINA7
PINB7
DDA7
DDB7
ADEN
PRE2
CAL7
WDIF
TSM
ACD
SP7
BS
–
–
–
–
–
–
–
–
–
–
–
–
I
COM0A0
COM1A0
PCINT14
PORTA6
PORTB6
PCINT6
FOC0B
FOC1B
USIOIF
USIOIE
Bit 6
PINA6
PINB6
ACBG
ACME
INTF0
DDA6
DDB6
REFS
ADSC
CAL6
WDIE
PRE1
INT0
PUD
SP6
T
–
–
–
–
–
–
–
–
–
–
–
COM0B1
COM1B1
PCINT13
PORTA5
PORTB5
USIWM1
PCINT5
EEPM1
ADATE
EEAR5
USIPF
AIN1D
Bit 5
PCIE1
PCIF1
WDP3
PINA5
PINB5
DDA5
DDB5
PRE0
CAL5
ACO
SP5
SE
H
–
–
–
–
–
–
–
–
–
–
–
–
–
Timer/Counter0 – Output Compare Register B
Timer/Counter0 – Output Compare Register A
Timer/Counter1 – Output Compare Register A
Timer/Counter1 – Output Compare Register B
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
ADC Data Register High Byte
ADC Data Register Low Byte
COM0B0
COM1B0
PCINT12
PORTA4
PORTB4
USIWM0
EEPROM Data Register
PCINT4
EEAR4
EEPM0
ADLAR
USIDC
Bit 4
PCIE0
WDCE
PINA4
PINB4
AIN0D
PCIF0
CTPB
DDA4
DDB4
CAL4
ADIF
SM1
SP4
ACI
USI Buffer Register
USI Data Register
S
–
–
–
–
–
–
–
–
–
–
–
–
Timer/Counter0
Timer/Counter1
DWDR[7:0]
–
–
–
–
–
–
–
–
–
–
–
USICNT3
PCINT11
PORTA3
PORTB3
CLKPS3
WGM02
WGM12
PCINT3
USICS1
PRTIM1
ADC3D
EEAR3
WDRF
EERIE
Bit 3
PINA3
PINB3
RFLB
DDA3
DDB3
CAL3
WDE
ACIE
ADIE
SM0
SP3
V
–
–
–
–
–
–
–
–
–
–
–
–
USICNT2
PCINT10
PORTA2
PORTB2
OCIE0B
PGWRT
CLKPS2
OCIE1B
PRTIM0
BODSE
EEMPE
PCINT2
USICS0
OCF0B
EEAR2
OCF1B
ADPS2
ADC2D
ADTS2
Bit 2
WDP2
PINA2
PINB2
BORF
DDA2
DDB2
MUX2
CS02
CAL2
CS12
SP2
N
–
–
–
–
–
USICNT1
PORTA1
PORTB1
CLKPS1
OCIE0A
WGM01
WGM11
PCINT9
USICLK
OCIE1A
PGERS
PCINT1
ADC1D
OCF0A
EXTRF
EEAR1
OCF1A
ADPS1
ADTS1
PRUSI
Bit 1
ISC01
WDP1
PINA1
PINB1
ACIS1
MUX1
EEPE
DDA1
DDB1
CS01
CAL1
CS11
SP1
Z
–
–
–
–
USICNT0
PORTA0
PORTB0
CLKPS0
SPMEN
WGM00
WGM10
PCINT8
PCINT0
PRADC
ADC0D
PSR10
EEAR0
ADPS0
ADTS0
TOIE0
PINA0
PINB0
USITC
TOIE1
ACIS0
Bit 0
ISC00
PORF
WDP0
EERE
MUX0
TOV0
CS00
CAL0
CS10
DDA0
DDB0
TOV1
SP8
SP0
C
–
–
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Page 114, Page 130
Pages 47, 113,
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