ATMEGA32-16PI Atmel, ATMEGA32-16PI Datasheet - Page 156
ATMEGA32-16PI
Manufacturer Part Number
ATMEGA32-16PI
Description
IC AVR MCU 32K 16MHZ IND 40-DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32-16PI
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
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA32-16PI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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2503Q–AVR–02/11
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 (%)
ATmega32(L)
±1.5
±1.5
±1.0
156
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