AT90LS8535-4MI Atmel, AT90LS8535-4MI Datasheet - Page 23
AT90LS8535-4MI
Manufacturer Part Number
AT90LS8535-4MI
Description
IC MCU 8K FLASH 4MHZ IND 44-QFN
Manufacturer
Atmel
Series
AVR® 90LSr
Specifications of AT90LS8535-4MI
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
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Manufacturer
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External Reset
1041H–11/01
Figure 24. MCU Start-up, RESET Tied to V
Figure 25. MCU Start-up, RESET Controlled Externally
An external reset is generated by a low level on the RESET pin. Reset pulses longer
than 50 ns will generate a reset, even if the clock is not running. Shorter pulses are not
guaranteed to generate a reset. When the applied signal reaches the Reset Threshold
Voltage (V
period t
Figure 26. External Reset during Operation
INTERNAL
INTERNAL
TIME-OUT
TIME-OUT
RESET
RESET
RESET
RESET
VCC
VCC
TOUT
RST
has expired.
) on its positive edge, the delay timer starts the MCU after the Time-out
V
V
V
POT
POT
RST
t
TOUT
V
RST
CC
.
t
TOUT
AT90S/LS8535
23
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