參數(shù)資料
型號(hào)： AT90S1200A-4YI
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 4 MHz, RISC MICROCONTROLLER, PDSO20
封裝： 5.30 MM, PLASTIC, SSOP-20
文件頁(yè)數(shù)： 6/11頁(yè)
文件大?。?/td> 348K
代理商： AT90S1200A-4YI
4
AT90S1200
0838HS–AVR–03/02
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 alogical “1” to them. Note that the CBI and SBI instructions will operate on all
bits in the I/O register, writing a“1”back into any flag read as set, thus clearing the flag.The CBI and SBI instructions work
with registers $00 to $1F only.
AT90S1200 Register Summary
Address
Name
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0Page
$3F
SREG
I
TH
S
V
N
ZC
page 11
$3E
Reserved
$3D
Reserved
$3C
Reserved
$3BGIMSK
-INT0
-
page 15
$3A
Reserved
$39
TIMSK
-
TOIE0
-
page 16
$38
TIFR
-
TOV0
-
page 16
$37
Reserved
$36
Reserved
$35
MCUCR
-
SE
SM
-
-ISC01ISC00
page 18
$34
Reserved
$33
TCCR0
-
-CS02
CS01CS00
page21
$32
TCNT0
Timer/Counter0 (8 Bits)
page22
$31
Reserved
$30
Reserved
$2F
Reserved
$2E
Reserved
$2D
Reserved
$2C
Reserved
$2B
Reserved
$2A
Reserved
$29
Reserved
$28
Reserved
$27
Reserved
$26
Reserved
$25
Reserved
$24
Reserved
$23
Reserved
$22
Reserved
$21WDTCR
-
-WDE
WDP2
WDP1
WDP0page23
$20
Reserved
$1F
Reserved
$1E
EEAR
-EEPROM Address Register
page25
$1D
EEDR
EEPROM Data Register
page25
$1C
EECR
-
EEWE
EERE
page25
$1B
Reserved
$1A
Reserved
$19
Reserved
$18
PORTBPORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0page29
$17
DDRB
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0page29
$16
PINBPINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0page29
$15
Reserved
$14
Reserved
$13
Reserved
$12
PORTD
-PORTD6
PORTD5
PORTD4
PORTD3
PORTD2
PORTD1
PORTD0page34
$11
DDRD
-
DDD6
DDD5
DDD4
DDD3
DDD2
DDD1
DDD0page34
$10
PIND
-PIND6
PIND5
PIND4
PIND3
PIND2
PIND1
PIND0page34
$0F
Reserved
...
Reserved
$09
Reserved
$08
ACSR
ACD
-
ACO
ACI
ACIE
-
ACIS1
ACIS0
page27
…
Reserved
$00
Reserved
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