AT90S1200-4PC Atmel, AT90S1200-4PC Datasheet - Page 62

• Manufacturer Part Number: AT90S1200-4PC
• Description: IC MCU 1K FLSH 4MHZ LV 20DIP
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S1200-4PC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI
• Peripherals: POR, WDT
• Number Of I /o: 15
• Program Memory Size: 1KB (512 x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Ram Size: -
• Data Converters: -

AT90S1200 Register Summary
Notes:
62
Address
$3E
$3D
$3C
$3B
$3A
$2E
$2D
$2C
$2B
$2A
$1E
$1D
$1C
$1B
$1A
$3F
$39
$38
$37
$36
$35
$34
$33
$32
$31
$30
$2F
$29
$28
$27
$26
$25
$24
$23
$22
$21
$20
$1F
$19
$18
$17
$16
$15
$14
$13
$12
$11
$10
$0F
$09
$08
$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
AT90S1200
should never be written.
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.
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
MCUCR
WDTCR
PORTB
PORTD
TCCR0
Name
GIMSK
TIMSK
TCNT0
SREG
DDRB
DDRD
EEAR
EEDR
EECR
ACSR
PINB
PIND
TIFR
PORTB7
PINB7
DDB7
Bit 7
ACD
-
-
-
-
-
-
-
-
-
-
-
I
PORTD6
PORTB6
PINB6
PIND6
DDB6
DDD6
Bit 6
INT0
T
-
-
-
-
-
-
-
PORTD5
PORTB5
PINB5
PIND5
DDB5
DDD5
Bit 5
ACO
SE
H
-
-
-
-
-
-
PORTB4
PORTD4
PIND4
PINB4
DDB4
DDD4
Bit 4
Timer/Counter0 (8 Bits)
EEPROM Data Register
ACI
SM
S
-
-
-
-
-
-
EEPROM Address Register
PORTB3
PORTD3
PIND3
PINB3
DDD3
Bit 3
DDB3
WDE
ACIE
V
-
-
-
-
-
-
PORTB2
PORTD2
WDP2
PINB2
PIND2
DDB2
DDD2
Bit 2
CS02
N
-
-
-
-
-
-
PORTD1
PORTB1
TOIE0
WDP1
EEWE
PINB1
PIND1
ACIS1
TOV0
ISC01
DDB1
DDD1
Bit 1
CS01
Z
-
PORTB0
PORTD0
WDP0
PINB0
PIND0
ACIS0
ISC00
EERE
DDB0
DDD0
Bit 0
CS00
C
-
-
-
0838H–AVR–03/02
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