ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 327
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ATmega32
Manufacturer Part Number
ATmega32
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32
Flash (kbytes)
32 Kbytes
Pin Count
44
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
3
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATmega32-16AC
Manufacturer:
COMPAL
Quantity:
500
Part Number:
ATmega32-16AU
Manufacturer:
ATMEL
Quantity:
20 000
Part Number:
ATmega32-16PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATmega32-16PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Register Summary
2503Q–AVR–02/11
$31
$20
Address
$3D ($5D)
$3C ($5C)
$2D ($4D)
$2C ($4C)
$1D ($3D)
$1C ($3C)
$0D ($2D)
$0C ($2C)
$3E ($5E)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2B ($4B)
$2A ($4A)
$1E ($3E)
$1B ($3B)
$1A ($3A)
$0E ($2E)
$0B ($2B)
$0A ($2A)
$3F ($5F)
$39 ($59)
$38 ($58)
$37 ($57)
$36 ($56)
$35 ($55)
$34 ($54)
$33 ($53)
$32 ($52)
$30 ($50)
$2F ($4F)
$29 ($49)
$28 ($48)
$27 ($47)
$26 ($46)
$25 ($45)
$24 ($44)
$23 ($43)
$22 ($42)
$21 ($41)
$1F ($3F)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$15 ($35)
$14 ($34)
$13 ($33)
$12 ($32)
$11 ($31)
$10 ($30)
$0F ($2F)
$09 ($29)
$08 ($28)
$07 ($27)
$06 ($26)
$05 ($25)
$04 ($24)
$03 ($23)
$02 ($22)
(1)
(2)
($51)
($40)
(1)
(2)
MCUCSR
OSCCAL
OCR1AH
OCR1BH
ADCSRA
TCCR1A
TCCR1B
TCNT1H
OCR1AL
OCR1BL
Name
MCUCR
TCNT1L
WDTCR
SPMCR
UBRRH
UCSRC
PORTA
PORTB
PORTC
PORTD
UCSRA
UCSRB
ADMUX
TCCR0
TCCR2
EEARH
EEARL
UBRRL
TIMSK
TCNT0
SFIOR
TCNT2
TWCR
OCDR
ICR1H
ICR1L
DDRC
DDRD
TWDR
TWAR
SREG
OCR0
OCR2
ASSR
EEDR
EECR
DDRA
DDRB
SPDR
SPSR
SPCR
ACSR
ADCH
ADCL
GICR
GIFR
PINA
PINB
PINC
PIND
SPH
TIFR
UDR
SPL
Timer/Counter0 Output Compare Register
Timer/Counter0 (8 Bits)
Oscillator Calibration Register
On-Chip Debug Register
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
Timer/Counter1 – Output Compare Register A High Byte
Timer/Counter1 – Output Compare Register A Low Byte
Timer/Counter1 – Output Compare Register B High Byte
Timer/Counter1 – Output Compare Register B Low Byte
Timer/Counter1 – Input Capture Register High Byte
Timer/Counter1 – Input Capture Register Low Byte
Timer/Counter2 (8 Bits)
Timer/Counter2 Output Compare Register
EEPROM Address Register Low Byte
EEPROM Data Register
ADC Data Register High Byte
ADC Data Register Low Byte
Two-wire Serial Interface Data Register
SPI Data Register
USART I/O Data Register
USART Baud Rate Register Low Byte
COM1A1
PORTC7
PORTD7
PORTA7
PORTB7
URSEL
URSEL
SPMIE
TWINT
ADTS2
RXCIE
REFS1
Bit 7
OCIE2
ICNC1
PINA7
PINB7
PINC7
PIND7
INTF1
OCF2
FOC0
FOC2
DDA7
DDB7
DDC7
DDD7
ADEN
TWA6
SPIE
INT1
SPIF
RXC
ACD
SP7
JTD
SE
–
–
–
–
–
I
COM1A0
PORTC6
PORTD6
RWWSB
PORTA6
PORTB6
WGM00
WGM20
UMSEL
ADTS1
REFS0
Bit 6
TOIE2
TWEA
ICES1
PINA6
PINB6
PINC6
PIND6
WCOL
TXCIE
ACBG
INTF0
DDA6
DDB6
DDC6
DDD6
ADSC
TWA5
TOV2
INT0
SM2
ISC2
SP6
SPE
TXC
T
–
–
–
–
–
–
COM1B1
PORTA5
PORTB5
PORTC5
PORTD5
TWSTA
COM01
COM21
ADTS0
ADLAR
ADATE
TICIE1
UDRIE
Bit 5
PINA5
PINB5
PINC5
PIND5
DORD
UDRE
INTF2
UPM1
DDA5
DDB5
DDC5
DDD5
TWA4
INT2
ICF1
SM1
ACO
SP5
H
–
–
–
–
–
–
–
–
–
–
RWWSRE
COM1B0
PORTA4
PORTB4
PORTC4
PORTD4
OCIE1A
TWSTO
WGM13
WDTOE
COM00
COM20
OCF1A
Bit 4
PINA4
PINB4
PINC4
PIND4
MSTR
RXEN
UPM0
DDA4
DDB4
DDC4
DDD4
MUX4
TWA3
JTRF
ADIF
SM0
SP4
ACI
FE
S
–
–
–
–
–
–
–
–
–
PORTA3
PORTB3
PORTC3
PORTD3
BLBSET
OCIE1B
WGM01
WGM12
WGM21
OCF1B
TWWC
FOC1A
WDRF
EERIE
PINC3
PIND3
Bit 3
ISC11
ACME
PINA3
PINB3
MUX3
TWA2
USBS
DDA3
DDB3
DDC3
DDD3
CPOL
TXEN
SP11
WDE
DOR
ACIE
ADIE
SP3
AS2
V
–
–
–
–
TCN2UB
PORTA2
PORTB2
PORTC2
PORTD2
EEMWE
PGWRT
FOC1B
UCSZ1
UCSZ2
ADPS2
PINC2
PIND2
Bit 2
TOIE1
TWEN
ISC10
BORF
WDP2
PINA2
PINB2
CPHA
MUX2
TWA1
TOV1
DDA2
DDB2
DDC2
DDD2
SP10
CS02
CS12
CS22
ACIC
PUD
SP2
PE
N
–
–
–
–
UBRR[11:8]
OCR2UB
PORTA1
PORTB1
PORTC1
PORTD1
WGM11
PGERS
EXTRF
UCSZ0
EEAR9
ADPS1
Bit 1
IVSEL
OCIE0
ISC01
WDP1
EEWE
PINA1
PINB1
PINC1
PIND1
ACIS1
OCF0
PSR2
DDA1
DDB1
DDC1
DDD1
SPR1
RXB8
MUX1
TWA0
CS01
CS11
CS21
SP9
SP1
U2X
Z
–
–
–
ATmega32(L)
PORTC0
PORTD0
TCR2UB
PORTA0
PORTB0
WGM10
TWGCE
SPMEN
UCPOL
EEAR8
ADPS0
PSR10
MPCM
Bit 0
TOIE0
WDP0
PINA0
PINB0
PINC0
PIND0
ACIS0
ISC00
PORF
EERE
DDA0
DDB0
DDC0
DDD0
SPI2X
MUX0
TOV0
TWIE
CS00
CS10
CS20
SPR0
TXB8
IVCE
SP8
SP0
C
–
56,85,131,198,218
82, 112, 130
83, 112, 130
40, 67, 228
Page
47, 67
32, 66
248
177
224
107
110
111
111
111
111
111
111
111
111
125
127
127
128
164
162
138
138
136
159
160
161
164
199
214
216
217
179
179
217
10
12
12
82
68
80
82
30
42
19
19
19
19
64
64
64
64
64
65
65
65
65
65
65
65
327