ATmega32A Atmel Corporation, ATmega32A Datasheet - Page 7

• Manufacturer Part Number: ATmega32A
• Manufacturer: Atmel Corporation

Specifications of ATmega32A

• 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

5. Register Summary
8155CS–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
–
–
–
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
ATmega32A
TOV0
TWIE
CS00
CS10
CS20
SPR0
TXB8
IVCE
SP8
SP0
C
–
66,90,137,206,226
87, 117, 136
87, 117, 136
42, 70, 251
Page
48, 71
36, 69
264
202
232
112
114
116
116
116
116
116
116
116
116
132
135
135
135
171
170
145
145
143
167
168
169
171
206
222
224
225
203
204
225
11
11
86
71
84
86
32
43
20
20
21
21
66
66
66
67
67
67
67
67
67
67
67
68
8
7