ATTINY28L-4MU Atmel, ATTINY28L-4MU Datasheet - Page 5

• Manufacturer Part Number: ATTINY28L-4MU
• Description: IC MCU AVR 2K 2.7V 4MHZ 32-QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY28L-4MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 32 B
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 11
• Number Of Timers: 1
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Ram Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

Instruction Set Summary
1062FS–AVR–07/06
Mnemonic
ARITHMETIC AND LOGIC INSTRUCTIONS
ADD
ADC
SUB
SUBI
SBC
SBCI
AND
ANDI
OR
ORI
EOR
COM
NEG
SBR
CBR
INC
DEC
TST
CLR
SER
BRANCH INSTRUCTIONS
RJMP
RCALL
RET
RETI
CPSE
CP
CPC
CPI
SBRC
SBRS
SBIC
SBIS
BRBS
BRBC
BREQ
BRNE
BRCS
BRCC
BRSH
BRLO
BRMI
BRPL
BRGE
BRLT
BRHS
BRHC
BRTS
BRTC
BRVS
BRVC
BRIE
BRID
Operands
Rd, Rr
Rd, Rr
Rd, Rr
Rd, K
Rd, Rr
Rd, K
Rd, Rr
Rd, K
Rd, Rr
Rd, K
Rd, Rr
Rd
Rd
Rd, K
Rd, K
Rd
Rd
Rd
Rd
Rd
k
k
Rd, Rr
Rd, Rr
Rd, Rr
Rd, K
Rr, b
Rr, b
P, b
P, b
s, k
s, k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
k
Description
Add Two Registers
Subtract Two Registers
Subtract Constant from Register
Subtract with Carry Two Registers
Subtract with Carry Constant from Reg.
Logical AND Register and Constant
Exclusive OR Registers
One’s Complement
Two’s Complement
Set Bit(s) in Register
Clear Bit(s) in Register
Decrement
Clear Register
Set Register
Relative Jump
Relative Subroutine Call
Subroutine Return
Compare, Skip if Equal
Compare
Compare with Carry
Compare Register with Immediate
Skip if Bit in Register Cleared
Skip if Bit in I/O Register Cleared
Skip if Bit in I/O Register is Set
Branch if Not Equal
Branch if Carry Set
Branch if Carry Cleared
Branch if Same or Higher
Branch if Lower
Branch if Minus
Branch if Plus
Branch if Half-carry Flag Set
Branch if Half-carry Flag Cleared
Branch if Overflow Flag is Set
Branch if Overflow Flag is Cleared
Add with Carry Two Registers
Logical AND Registers
Logical OR Registers
Logical OR Register and Constant
Increment
Test for Zero or Minus
Interrupt Return
Skip if Bit in Register is Set
Branch if Status Flag Set
Branch if Status Flag Cleared
Branch if Equal
Branch if Greater or Equal, Signed
Branch if Less than Zero, Signed
Branch if T-flag Set
Branch if T-flag Cleared
Branch if Interrupt Enabled
Branch if Interrupt Disabled
Operation
Rd ← Rd + Rr
Rd ← Rd + Rr + C
Rd ← Rd - Rr
Rd ← Rd - K
Rd ← Rd - Rr - C
Rd ← Rd - K - C
Rd ← Rd • Rr
Rd ← Rd • K
Rd ← Rd v Rr
Rd ← Rd v K
Rd ← Rd ⊕ Rr
Rd ← $FF - Rd
Rd ← $00 - Rd
Rd ← Rd v K
Rd ← Rd • (FFh - K)
Rd ← Rd + 1
Rd ← Rd - 1
Rd ← Rd • Rd
Rd ← Rd ⊕ Rd
Rd ← $FF
PC ← PC + k + 1
PC ← PC + k + 1
PC ← STACK
PC ← STACK
if (Rd = Rr) PC ← PC + 2 or 3
Rd - Rr
Rd - Rr - C
Rd - K
if (Rr(b) = 0) PC ← PC + 2 or 3
if (Rr(b) = 1) PC ← PC + 2 or 3
if (P(b) = 0) PC ← PC + 2 or 3
if (P(b) = 1) PC ← PC + 2 or 3
if (SREG(s) = 1) then PC ← PC + k + 1
if (SREG(s) = 0) then PC ← PC + k + 1
if (Z = 1) then PC ← PC + k + 1
if (Z = 0) then PC ← PC + k + 1
if (C = 1) then PC ← PC + k + 1
if (C = 0) then PC ← PC + k + 1
if (C = 0) then PC ← PC + k + 1
if (C = 1) then PC ← PC + k + 1
if (N = 1) then PC ← PC + k + 1
if (N = 0) then PC ← PC + k + 1
if (N ⊕ V = 0) then PC ← PC + k + 1
if (N ⊕ V = 1) then PC ← PC + k + 1
if (H = 1) then PC ← PC + k + 1
if (H = 0) then PC ← PC + k + 1
if (T = 1) then PC ← PC + k + 1
if (T = 0) then PC ← PC + k + 1
if (V = 1) then PC ← PC + k + 1
if (V = 0) then PC ← PC + k + 1
if (I = 1) then PC ← PC + k + 1
if (I = 0) then PC ← PC + k + 1
Flags
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,H
Z,C,N,V,H
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,C,N,V
Z,C,N,V,H
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
Z,N,V
None
None
None
None
I
None
Z N,V,C,H
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Z,C,N,V,H
Z,N,V,C,H
Z,N,V,C,H
ATtiny28L/V
# Clocks
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1/2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
4
1
1
1
5