ATMEGA6450A-AU Atmel, ATMEGA6450A-AU Datasheet - Page 651
![IC MCU AVR 64K FLASH 100TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA6450A-AU
Manufacturer Part Number
ATMEGA6450A-AU
Description
IC MCU AVR 64K FLASH 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA6450A-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFQFP
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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8285B–AVR–03/11
0x3D (0x5D)
0x3C (0x5C)
0x2D (0x4D)
0x2C (0x4C)
0x3F (0x5F)
0x3E (0x5E)
0x3B (0x5B)
0x3A (0x5A)
0x2F (0x4F)
0x2E (0x4E)
0x2B (0x4B)
0x2A (0x4A)
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)
(0x7D)
(0x7C)
(0x6D)
(0x6C)
(0x85)
(0x84)
(0x83)
(0x82)
(0x81)
(0x80)
(0x7F)
(0x7E)
(0x7B)
(0x7A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x6E)
(0x6B)
(0x6A)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
TCNT1H
TCNT1L
Reserved
TCCR1C
TCCR1B
TCCR1A
DIDR1
DIDR0
Reserved
ADMUX
ADCSRB
ADCSRA
ADCH
ADCL
Reserved
Reserved
Reserved
Reserved
PCMSK3
Reserved
Reserved
TIMSK2
TIMSK1
TIMSK0
PCMSK2
PCMSK1
PCMSK0
Reserved
EICRA
Reserved
Reserved
OSCCAL
Reserved
PRR
Reserved
Reserved
CLKPR
WDTCR
SREG
SPH
SPL
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
MCUCR
MCUSR
SMCR
Reserved
OCDR
ACSR
Reserved
SPDR
SPSR
SPCR
GPIOR2
GPIOR1
Reserved
Reserved
OCR0A
Name
IDRD/OCDR7
PCINT23
PCINT15
COM1A1
CLKPCE
PCINT7
ADC7D
FOC1A
REFS1
ICNC1
SPMIE
Bit 7
ADEN
ATmega165A/165PA/325A/325PA/3250A/3250PA/6
SPIF
SPIE
ACD
JTD
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
I
COM1A0
PCINT30
PCINT22
PCINT14
RWWSB
PCINT6
OCDR6
FOC1B
ADC6D
REFS0
Bit 6
ICES1
WCOL
ACME
ADSC
BODS
ACBG
SPE
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
T
–
–
–
–
–
–
–
–
–
–
–
–
-
COM1B1
PCINT29
PCINT21
PCINT13
PCINT5
BODSE
OCDR5
ADC5D
ADLAR
ADATE
Bit 5
DORD
ICIE1
ACO
H
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Oscillator Calibration Register [CAL7:0]
Timer/Counter0 Output Compare A
General Purpose I/O Register
General Purpose I/O Register
RWWSRE
COM1B0
PCINT28
PCINT20
PCINT12
WGM13
PCINT4
OCDR4
ADC4D
WDCE
Bit 4
MUX4
ADC Data Register High
MSTR
JTRF
ADIF
ADC Data Register Low
PUD
ACI
Timer/Counter1 High
Timer/Counter1 Low
S
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Stack Pointer High
Stack Pointer Low
SPI Data Register
PCINT27
PCINT19
PCINT11
CLKPS3
BLBSET
WGM12
PRTIM1
ADC3D
PCINT3
OCDR3
WDRF
Bit 3
MUX3
CPOL
ADIE
WDE
ACIE
SM2
V
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PCINT26
PCINT18
PCINT10
CLKPS2
OCIE1B
PCINT2
PGWRT
ADC2D
OCDR2
ADTS2
ADPS2
PRSPI
Bit 2
MUX2
WDP2
BORF
CPHA
CS12
ACIC
SM1
N
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PSUSART0
PCINT17
PCINT25
CLKPS1
WGM11
OCIE2A
OCIE1A
OCIE0A
PCINT9
PCINT1
ADC1D
PGERS
OCDR1
ADTS1
ADPS1
EXTRF
AIN1D
Bit 1
MUX1
ISC01
WDP1
IVSEL
ACIS1
SPR1
CS11
SM0
Z
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PCINT24
PCINT16
CLKPS0
WGM10
PCINT8
PCINT0
PRADC
SPMEN
OCDR0
ADC0D
ADTS0
ADPS0
AIN0D
Bit 0
MUX0
TOIE2
TOIE1
TOIE0
ISC00
WDP0
PORF
ACIS0
SPI2X
CS10
SPR0
IVCE
SE
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
C
–
–
–
–
–
–
–
–
–
–
61/90/265
Page
134
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230
238
134
133
130
213
227
231
229
230
157
135
107
281
212
168
167
166
107
66
67
66
67
64
37
45
37
53
12
15
15
53
53
27
27
651
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