ATMEGA8535L-8MU Atmel, ATMEGA8535L-8MU Datasheet - Page 161
ATMEGA8535L-8MU
Manufacturer Part Number
ATMEGA8535L-8MU
Description
IC AVR MCU 8K 8MHZ 3V 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA8535L-8MU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, 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 ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Processor Series
ATMEGA8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, TWI, UART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
44MLF EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA8535L-8MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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2502K–AVR–10/06
Table 62. Recommended Maximum Receiver Baud Rate Error for Normal Speed Mode
(U2X = 0)
Table 63. Recommended Maximum Receiver Baud Rate Error for Double Speed Mode
(U2X = 1)
The recommendations of the maximum receiver baud rate error was made under the
assumption that the Receiver and Transmitter equally divides the maximum total error.
There are two possible sources for the receivers baud rate error. The receiver’s system
clock (XTAL) will always have some minor instability over the supply voltage range and
the temperature range. When using a crystal to generate the system clock, this is rarely
a problem, but for a resonator the system clock may differ more than 2% depending of
the resonators tolerance. The second source for the error is more controllable. The baud
rate generator can not always do an exact division of the system frequency to get the
baud rate wanted. In this case an UBRR value that gives an acceptable low error can be
used if possible.
# (Data+Parity Bit)
# (Data+Parity Bit)
10
10
D
D
5
6
7
8
9
5
6
7
8
9
R
R
slow
slow
93.20
94.12
94.81
95.36
95.81
96.17
94.12
94.92
95.52
96.00
96.39
96.70
(%)
(%)
R
R
106.67
105.79
105.11
104.58
104.14
103.78
105.66
104.92
104.35
103.90
103.53
103.23
fast
fast
(%)
(%)
+5.79/-5.88
+5.11 -5.19
+4.58/-4.54
+4.14/-4.19
+3.78/-3.83
+5.66/-5.88
+4.92/-5.08
+4.35/-4.48
+3.90/-4.00
+3.53/-3.61
+3.23/-3.30
Max Total
+6.67/-6.8
Max Total
Error (%)
Error (%)
ATmega8535(L)
Recommended Max
Recommended Max
Receiver Error (%)
Receiver Error (%)
± 3.0
± 2.5
± 2.0
± 2.0
± 1.5
± 1.5
± 2.5
± 2.0
± 1.5
± 1.5
± 1.5
± 1.0
161
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