AT90S8535-8AI Atmel, AT90S8535-8AI Datasheet - Page 81

• Manufacturer Part Number: AT90S8535-8AI
• Description: IC MCU 8K 8MHZ A/D IT 44TQFP
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S8535-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1041H–11/01
Figure 53. Port B Schematic Diagram (Pins PB2 and PB3)
Figure 54. Port B Schematic Diagram (Pin PB4)
PB4
PBn
WP:
WD:
RL:
RP:
RD:
MSTR:
SPE:
MOS
PULL-
UP
MOS
PULL-
UP
WP:
WD:
RL:
RP:
RD:
n:
m:
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
SPI MASTER ENABLE
SPI ENABLE
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
2, 3
0, 1
PWRDN
RL
RP
RL
RP
TO COMPARATOR
Q
Q
AT90S/LS8535
Q
Q
PORTB4
PORTBn
RESET
RESET
RESET
RESET
DDB4
DDBn
WD
WP
RD
WD
RD
WP
C
C
C
C
D
D
D
D
MSTR
SPE
SPI SS
AINm
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