atmega328p-20mu ATMEL Corporation, atmega328p-20mu Datasheet - Page 10
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
atmega328p-20mu
Manufacturer Part Number
atmega328p-20mu
Description
Atmega88p 8-bit Microcontroller With 8k Bytes In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA328P-20MU.pdf
(26 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA328P-20MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
10
0x3E (0x5E)
0x3D (0x5D)
0x3C (0x5C)
0x3B (0x5B)
0x3A (0x5A)
0x2E (0x4E)
0x2D (0x4D)
0x2C (0x4C)
0x2B (0x4B)
0x2A (0x4A)
0x1E (0x3E)
0x1D (0x3D)
0x1C (0x3C)
Address
0x3F (0x5F)
0x39 (0x59)
0x38 (0x58)
0x37 (0x57)
0x36 (0x56)
0x35 (0x55)
0x34 (0x54)
0x33 (0x53)
0x32 (0x52)
0x31 (0x51)
0x30 (0x50)
0x2F (0x4F)
0x29 (0x49)
0x28 (0x48)
0x27 (0x47)
0x26 (0x46)
0x25 (0x45)
0x24 (0x44)
0x23 (0x43)
0x22 (0x42)
0x21 (0x41)
0x20 (0x40)
0x1F (0x3F)
(0x7D)
(0x7C)
(0x7B)
(0x7A)
(0x79)
(0x78)
(0x77)
(0x76)
(0x75)
(0x74)
(0x73)
(0x72)
(0x71)
(0x70)
(0x6F)
(0x6E)
(0x6D)
(0x6C)
(0x6B)
(0x6A)
(0x69)
(0x68)
(0x67)
(0x66)
(0x65)
(0x64)
(0x63)
(0x62)
(0x61)
(0x60)
ATmega48P/88P/168P/328P
WDTCSR
Reserved
ADCSRB
ADCSRA
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
PCMSK1
PCMSK0
Reserved
Reserved
OSCCAL
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
SPMCSR
Reserved
Reserved
Reserved
Reserved
Reserved
PCMSK2
TCCR0B
TCCR0A
MCUCR
GPIOR2
GPIOR1
GPIOR0
Name
ADMUX
TIMSK2
TIMSK1
TIMSK0
MCUSR
GTCCR
CLKPR
OCR0B
OCR0A
EEARH
PCICR
TCNT0
EEARL
EIMSK
EICRA
SMCR
ADCH
SREG
ACSR
SPDR
SPSR
SPCR
EEDR
EECR
ADCL
PRR
EIFR
SPH
SPL
PCINT23
CLKPCE
COM0A1
PCINT7
REFS1
PRTWI
FOC0A
SPMIE
Bit 7
ADEN
WDIF
SPIF
SPIE
ACD
TSM
SP7
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
I
(RWWSB)
PCINT22
PCINT14
COM0A0
PRTIM2
PCINT6
FOC0B
REFS0
Bit 6
ACME
WCOL
ADSC
BODS
ACBG
WDIE
SP6
SPE
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
T
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
5.
PCINT21
PCINT13
COM0B1
PCINT5
PRTIM0
BODSE
ADLAR
ADATE
EEPM1
DORD
Bit 5
WDP3
ICIE1
ACO
SP5
H
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Timer/Counter0 Output Compare Register B
Timer/Counter0 Output Compare Register A
(EEPROM Address Register High Byte)
EEPROM Address Register Low Byte
(RWWSRE)
General Purpose I/O Register 2
General Purpose I/O Register 1
General Purpose I/O Register 0
Oscillator Calibration Register
ADC Data Register High byte
ADC Data Register Low byte
PCINT20
PCINT12
COM0B0
PCINT4
EEPM0
WDCE
Bit 4
MSTR
ADIF
PUD
EEPROM Data Register
SP4
ACI
Timer/Counter0 (8-bit)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
S
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
SPI Data Register
5.
PCINT19
PCINT11
CLKPS3
BLBSET
PRTIM1
WGM02
PCINT3
WDRF
EERIE
Bit 3
MUX3
ISC11
CPOL
ADIE
WDE
ACIE
SM2
SP3
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
V
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
5.
PCINT18
PCINT10
CLKPS2
(SP10)
OCIE2B
OCIE1B
OCIE0B
PGWRT
PCINT2
EEMPE
ADTS2
ADPS2
Bit 2
PCIE2
PRSPI
WDP2
MUX2
ISC10
BORF
CPHA
CS02
ACIC
SM1
SP2
N
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
5.
PRUSART0
PCINT17
PSRASY
CLKPS1
OCIE2A
OCIE1A
OCIE0A
PCINT9
PCINT1
WGM01
PGERS
ADTS1
ADPS1
EXTRF
Bit 1
MUX1
ISC01
PCIE1
WDP1
IVSEL
ACIS1
INTF1
SPR1
EEPE
CS01
INT1
SM0
SP9
SP1
–
–
–
–
–
–
–
–
–
–
–
–
–
Z
–
–
–
–
–
–
–
–
–
–
–
SELFPRGEN
PSRSYNC
PCINT16
CLKPS0
WGM00
PCINT8
PCINT0
PRADC
ADPS0
ADTS0
Bit 0
TOIE2
TOIE1
TOIE0
PCIE0
WDP0
ACIS0
MUX0
ISC00
PORF
SPI2X
EERE
INTF0
SPR0
CS00
IVCE
INT0
SP8
SP0
SE
C
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
8025DS–AVR–03/08
45/69/93
144/166
Page
263
266
164
140
112
292
248
175
174
264
266
266
176
75
75
75
72
38
43
38
55
10
13
13
55
41
26
26
22
22
22
22
26
73
73