ATmega16A Atmel Corporation, ATmega16A Datasheet - Page 334

• Manufacturer Part Number: ATmega16A
• Manufacturer: Atmel Corporation

Specifications of ATmega16A

• Flash (kbytes): 16 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): 1
• Eeprom (bytes): 512
• 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

29. Register Summary
334
$31
$20
Address
$3E ($5E)
$3D ($5D)
$3C ($5C)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2D ($4D)
$2C ($4C)
$2B ($4B)
$2A ($4A)
$1E ($3E)
$1D ($3D)
$1C ($3C)
$1B ($3B)
$1A ($3A)
$0E ($2E)
$0D ($2D)
$0C ($2C)
$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)
ATmega16A
MCUCSR
OSCCAL
OCR1AH
OCR1BH
ADCSRA
TCCR1A
TCCR1B
TCNT1H
OCR1AL
OCR1BL
MCUCR
TCNT1L
WDTCR
Name
SPMCR
UBRRH
UCSRC
ADMUX
TCCR0
TCCR2
EEARH
PORTA
PORTB
PORTC
PORTD
UCSRA
UCSRB
UBRRL
TCNT0
TCNT2
EEARL
TIMSK
TWCR
OCDR
SFIOR
ICR1H
DDRC
DDRD
TWDR
TWAR
SREG
OCR0
ICR1L
OCR2
ASSR
EEDR
EECR
DDRA
DDRB
SPDR
SPSR
SPCR
ACSR
ADCH
ADCL
GICR
GIFR
PINA
PINB
PINC
PIND
TIFR
UDR
SPH
SPL
Timer/Counter0 (8 Bits)
Timer/Counter1 – Counter Register High Byte
Timer/Counter1 – Counter Register Low Byte
Timer/Counter1 – Input Capture Register High Byte
Timer/Counter1 – Input Capture Register Low Byte
Timer/Counter2 (8 Bits)
EEPROM Address Register Low Byte
Timer/Counter0 Output Compare Register
Oscillator Calibration Register
On-Chip Debug Register
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/Counter2 Output Compare Register
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
PORTA7
PORTB7
PORTC7
PORTD7
TWINT
ADTS2
URSEL
URSEL
REFS1
OCIE2
SPMIE
ICNC1
RXCIE
Bit 7
INTF1
PINA7
PINB7
PINC7
PIND7
ADEN
TWA6
OCF2
FOC0
FOC2
DDA7
DDB7
DDC7
DDD7
INT1
SPIF
SPIE
SM2
RXC
ACD
SP7
JTD
–
–
–
–
–
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
ISC2
SP6
SPE
TXC
SE
T
–
–
–
–
–
–
COM1B1
PORTA5
PORTB5
PORTC5
PORTD5
TWSTA
COM01
COM21
ADLAR
ADATE
TICIE1
ADTS0
UDRIE
PINC5
PIND5
DORD
Bit 5
INTF2
UPM1
PINA5
PINB5
DDC5
DDD5
UDRE
TWA4
DDA5
DDB5
INT2
ICF1
ACO
SP5
SM1
H
–
–
–
–
–
–
–
–
–
–
RWWSRE
COM1B0
PORTA4
PORTB4
PORTC4
PORTD4
WDTOE
OCIE1A
TWSTO
WGM13
OCF1A
COM00
COM20
PINC4
PIND4
Bit 4
UPM0
PINA4
PINB4
DDC4
DDD4
MSTR
RXEN
MUX4
TWA3
DDA4
DDB4
JTRF
ADIF
SM0
SP4
ACI
FE
S
–
–
–
–
–
–
–
–
–
PORTA3
PORTB3
PORTC3
PORTD3
BLBSET
OCIE1B
WGM01
WGM12
WGM21
OCF1B
TWWC
FOC1A
WDRF
EERIE
Bit 3
ISC11
ACME
PINA3
PINB3
PINC3
PIND3
USBS
DDA3
DDB3
DDC3
DDD3
CPOL
TXEN
MUX3
TWA2
WDE
DOR
ACIE
ADIE
SP3
AS2
V
–
–
–
–
–
PORTC2
PORTD2
TCN2UB
PORTA2
PORTB2
PGWRT
EEMWE
FOC1B
UCSZ1
UCSZ2
ADPS2
Bit 2
TOIE1
TWEN
WDP2
PINA2
PINB2
PINC2
PIND2
ISC10
BORF
DDA2
DDB2
DDC2
DDD2
CPHA
MUX2
TWA1
SP10
TOV1
CS02
CS12
CS22
ACIC
PUD
SP2
PE
N
–
–
–
–
UBRR[11:8]
OCR2UB
PORTA1
PORTB1
PORTC1
PORTD1
WGM11
PGERS
EXTRF
UCSZ0
ADPS1
OCIE0
PINC1
PIND1
Bit 1
IVSEL
ISC01
WDP1
EEWE
PINA1
PINB1
ACIS1
MUX1
TWA0
OCF0
PSR2
DDA1
DDB1
DDC1
DDD1
SPR1
RXB8
CS01
CS11
CS21
U2X
SP9
SP1
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
TOV0
TWIE
CS00
CS10
CS20
SPR0
TXB8
IVCE
SP8
SP0
C
–
8154B–AVR–07/09
65,87,134,205,225
85, 115, 134
85, 115, 134
41, 68, 249
Page
36, 67
47, 69
255
200
231
109
112
113
113
114
114
114
114
114
114
130
133
133
133
170
169
145
144
143
166
167
168
170
205
221
223
224
224
202
203
12
12
85
69
82
84
31
42
19
19
20
20
65
65
65
65
65
66
66
66
66
66
66
66
9