ATtiny28L Atmel Corporation, ATtiny28L Datasheet - Page 70
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ATtiny28L
Manufacturer Part Number
ATtiny28L
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny28L
Flash (kbytes)
2 Kbytes
Pin Count
28
Max. Operating Frequency
4 MHz
Cpu
8-bit AVR
Hardware Qtouch Acquisition
No
Max I/o Pins
11
Ext Interrupts
10
Usb Speed
No
Usb Interface
No
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
0.03
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
1
32khz Rtc
No
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Manufacturer:
ATMEL
Quantity:
1 187
Company:
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ATtiny28L-1AI
Manufacturer:
ATMEL
Quantity:
2 840
Part Number:
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Manufacturer:
ATMEL/爱特梅尔
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20 000
Part Number:
ATtiny28L-4MU
Manufacturer:
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Quantity:
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Company:
Part Number:
ATtiny28L-4PC
Manufacturer:
EPCOS
Quantity:
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Part Number:
ATtiny28L-4PC
Manufacturer:
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Quantity:
20 000
Part Number:
ATtiny28L-4PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Register Summary
Notes:
70
Address
$1D
$1C
$0D
$0C
$3F
$3E
$20
$1F
$1E
$1B
$1A
$19
$18
$17
$16
$15
$14
$13
$12
$11
$10
$0F
$0E
$0B
$0A
$09
$08
$07
$06
$05
$04
$03
$02
$01
$00
...
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
2. Some of the status flags are cleared by writing a logical “1” to them. Note that the CBI and SBI instructions will operate on all
ATtiny28L/V
should never be written.
bits in the I/O register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions work
with registers $00 to $1F only.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
OSCCAL
Name
MCUCS
MODCR
WDTCR
PORTA
PORTD
TCCR0
TCNT0
SREG
DDRD
PACR
ACSR
PINA
PINB
PIND
ICR
IFR
Timer/Counter0 (8-bit)
Oscillator Calibration Register
PORTD7
ONTIM4
PLUPB
Bit 7
PINB7
PIND7
INTF1
DDD7
FOV0
INT1
ACD
-
-
-
-
I
PORTD6
ONTIM3
PIND6
Bit 6
PINB6
INTF0
DDD6
INT0
T
-
-
-
-
-
-
-
PORTD5
ONTIM2
PIND5
Bit 5
PINB5
DDD5
ACO
LLIE
SE
H
-
-
-
-
-
-
PORTD4
ONTIM1
WDTOE
OOM01
PIND4
Bit 4
PINB4
TOIE0
DDD4
TOV0
ACI
SM
S
-
-
-
PORTA3
PORTD3
ONTIM0
OOM00
PIND3
WDRF
Bit 3
PINA3
PINB3
ISC11
DDA3
DDD3
ACIE
WDE
V
-
MCONF2
PORTA2
PORTD2
PA2HC
PIND2
Bit 2
PINB2
ISC10
WDP2
DDD2
CS02
N
-
-
-
-
MCONF1
PORTA1
PORTD1
EXTRF
PIND1
Bit 1
PINA1
PINB1
DDD1
ACIS1
ISC01
WDP1
DDA1
CS01
Z
-
MCONF0
PORTA0
PORTD0
PIND0
Bit 0
PINA0
PINB0
ACIS0
PORF
ISC00
WDP0
DDA0
DDD0
CS00
C
-
1062F–AVR–07/06
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