ATMEGA16-16AU SL383 Atmel, ATMEGA16-16AU SL383 Datasheet - Page 160

IC MCU 8BIT 16KB FLASH 44TQFP

ATMEGA16-16AU SL383

Manufacturer Part Number
ATMEGA16-16AU SL383
Description
IC MCU 8BIT 16KB FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet

Specifications of ATMEGA16-16AU SL383

Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 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
Lead free / RoHS Compliant
2466T–AVR–07/10
Table 62. 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 assump-
tion 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 tempera-
ture 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)
10
D
8
9
R
slow
96.00
96.39
96.70
(%)
R
103.90
103.53
103.23
fast
(%)
+3.90/-4.00
+3.53/-3.61
+3.23/-3.30
Max Total
Error (%)
Recommended Max
Receiver Error (%)
ATmega16(L)
±1.5
±1.5
±1.0
160

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