AT90S1200-4PC Atmel, AT90S1200-4PC Datasheet - Page 36

• 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: -

36
AT90S1200
Figure 28. Port D Schematic Diagram (Pin PD2)
Figure 29. Port D Schematic Diagram (Pin PD4)
PD4
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
WRITE PORTD
WRITE DDRD
READ PORTD LATCH
READ PORTD PIN
READ DDRD
CS02
SENSE CONTROL
CS01
RL
RP
CS00
Q
Q
PORTD4
RESET
RESET
DDD4
WD
WP
RD
R
C
R
C
TIMER0 CLOCK
SOURCE MUX
D
D
0838H–AVR–03/02