attiny22l ATMEL Corporation, attiny22l Datasheet - Page 6

no-image

attiny22l

Manufacturer Part Number
attiny22l
Description
8-bit Microcontroller With 2k Bytes Of In-system Programmable Flash - Atmel Corporation
Manufacturer
ATMEL Corporation
Datasheet
Register Summary
Notes:
6
Address
$3D ($5D)
$3C ($5C)
$2D ($4D)
$2C ($4C)
$1D ($3D)
$1C ($3C)
$3E ($5E)
$3B ($5B)
$3A ($5A)
$2E ($4E)
$2B ($4B)
$2A ($4A)
$1E ($3E)
$1B ($3B)
$1A ($3A)
$3F ($5F)
$2F ($4F)
$1F ($3F)
$39 ($59)
$38 ($58)
$37 ($57)
$36 ($56)
$35 ($55)
$34 ($54)
$33 ($53)
$32 ($52)
$31 ($51)
$30 ($50)
$29 ($49)
$28 ($48)
$27 ($47)
$26 ($46)
$25 ($45)
$24 ($44)
$23 ($43)
$22 ($42)
$21 ($41)
$20 ($40)
$19 ($39)
$18 ($38)
$17 ($37)
$16 ($36)
$15 ($35)
$00 ($20)
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 one to them. Note that the CBI and SBI instructions will operate on
should never be written.
all 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.
SPL
SREG
Reserved
Reserved
GIMSK
TIMSK
TIFR
Reserved
Reserved
MCUCR
MCUSR
TCCR0
TCNT0
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
WDTCR
Reserved
Reserved
EEAR
EEDR
EECR
Reserved
Reserved
Reserved
PORTB
DDRB
PINB
Reserved
Reserved
Reserved
GIFR
Name
ATtiny22L
Timer/Counter0 (8 Bit)
EEPROM Data register
Bit 7
SP7
I
-
-
-
-
-
-
-
-
-
-
-
-
-
EEPROM Address Register
Bit 6
INTF0
INT0
SP6
T
-
-
-
-
-
-
-
-
-
-
Bit 5
SP5
SE
H
-
-
-
-
-
-
-
-
-
-
PORTB
WDTOE
Bit 4
PINB4
DDB4
SP4
SM
S
-
-
-
-
-
-
PORTB
Bit 3
PINB3
DDB3
WDE
SP3
V
-
-
-
-
-
-
-
PORTB
EEMW
WDP2
PINB2
Bit 2
DDB2
CS02
SP2
N
-
-
-
-
-
PORTB
EXTRF
EEWE
Bit 1
TOIE0
ISC01
WDP1
PINB1
DDB1
TOV0
CS01
SP1
Z
-
PORTB
Bit 0
ISC00
PORF
WDP0
PINB0
EERE
DDB0
CS00
SP0
C
-
-
-
page 23
page 24
page 24
page 22
page 16
page 17
page 23
page 23
page 27
page 28
page 28
page 30
page 30
page 30
page 32
page 32
page 32
Page

Related parts for attiny22l