AT90LS8535-4PC Atmel, AT90LS8535-4PC Datasheet - Page 6
AT90LS8535-4PC
Manufacturer Part Number
AT90LS8535-4PC
Description
IC MCU 8K FLSH 4MHZ A/D LV 40DIP
Manufacturer
Atmel
Series
AVR® 90LSr
Specifications of AT90LS8535-4PC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
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)
2.7 V ~ 6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT90LS8535-4PC
Manufacturer:
NS
Quantity:
6 229
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Clock Options
Crystal Oscillator
External Clock
Timer Oscillator
6
AT90S/LS8535
XTAL1 and XTAL2 are input and output, respectively, of an inverting amplifier which can
be configured for use as an on-chip oscillator, as shown in Figure 2. Either a quartz
crystal or a ceramic resonator may be used.
Figure 2. Oscillator Connections
Note:
To drive the device from an external clock source, XTAL2 should be left unconnected
while XTAL1 is driven as shown in Figure 3.
Figure 3. External Clock Drive Configuration
For the Timer Oscillator pins, TOSC1 and TOSC2, the crystal is connected directly
between the pins. No external capacitors are needed. The oscillator is optimized for use
with a 32,768 Hz watch crystal. Applying an external clock source to TOSC1 is not
recommended.
When using the MCU Oscillator as a clock for an external device, an HC buffer should be
connected as indicated in the figure.
HC
MAX 1 HC BUFFER
C2
C1
XTAL2
XTAL1
GND
1041H–11/01
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