ATTINY22 データシートの表示（PDF） - Atmel Corporation
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ATTINY22 Datasheet PDF : 59 Pages
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Register Summary
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
$3F ($5F) SREG
I
T
H
S
V
N
Z
C
page 16
$3E ($5E) Reserved
$3D ($5D) SPL
SP7
SP6
SP5
SP4
SP3
SP2
SP1
SP0
page 17
$3C ($5C) Reserved
$3B ($5B) GIMSK
-
INT0
-
-
-
-
-
-
page 23
$3A ($5A) GIFR
-
INTF0
page 23
$39 ($59) TIMSK
-
-
-
-
-
-
TOIE0
-
page 15
$38 ($58) TIFR
-
-
-
-
-
-
TOV0
-
page 16
$37 ($57) Reserved
$36 ($56) Reserved
$35 ($55) MCUCR
-
-
SE
SM
-
-
ISC01
ISC00
page 16
$34 ($54) MCUSR
-
-
-
-
-
-
EXTRF PORF
page 14
$33 ($53) TCCR0
-
-
-
-
-
CS02
CS01
CS00
page 27
$32 ($52) TCNT0
Timer/Counter0 (8 Bit)
page 28
$31 ($51) Reserved
$30 ($50) Reserved
$2F ($4F) Reserved
$2E ($4E) Reserved
$2D ($4D) Reserved
$2C ($4C) Reserved
$2B ($4B) Reserved
$2A ($4A) Reserved
$29 ($49) Reserved
$28 ($48) Reserved
$27 ($47) Reserved
$26 ($46) Reserved
$25 ($45) Reserved
$24 ($44) Reserved
$23 ($43) Reserved
$22 ($42) Reserved
$21 ($41) WDTCR
-
-
-
WDTO
WDE
WDP2 WDP1 WDP0
page 28
$20 ($40) Reserved
$1F ($3F) Reserved
$1E ($3E) EEAR
-
EEPROM Address Register
page 30
$1D ($3D) EEDR
EEPROM Data register
page 30
$1C ($3C) EECR
-
-
-
-
-
EEMW EEWE EERE
page 30
$1B ($3B) Reserved
$1A ($3A) Reserved
$19 ($39) Reserved
$18 ($38) PORTB
-
-
-
PORTB PORTB PORTB PORTB PORTB
page 32
$17 ($37) DDRB
-
-
-
DDB4
DDB3
DDB2
DDB1
DDB0
page 32
$16 ($36) PINB
-
-
-
PINB4 PINB3 PINB2 PINB1 PINB0
page 32
$15 ($35) Reserved
…
Reserved
$00 ($20) Reserved
Notes: 1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
should never be written.
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
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.
54
ATtiny22/22L
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