ATMEGA128-16AU Atmel, ATMEGA128-16AU Datasheet - Page 194
ATMEGA128-16AU
Manufacturer Part Number
ATMEGA128-16AU
Description
IC AVR MCU 128K 16MHZ 5V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA128-16AU.pdf
(26 pages)
2.ATMEGA128-16AU.pdf
(385 pages)
3.ATMEGA128-16AU.pdf
(389 pages)
Specifications of ATMEGA128-16AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K 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
64-TQFP, 64-VQFP
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
2-Wire, JTAG, SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
4
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Controller Family/series
AVR MEGA
No. Of I/o's
53
Eeprom Memory Size
4096Byte
Ram Memory Size
4KB
Cpu Speed
16MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK501 - ADAPTER KIT FOR 64PIN AVR MCUATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA128-16AU
Manufacturer:
MITSUBISHI
Quantity:
104
Company:
Part Number:
ATMEGA128-16AU
Manufacturer:
ATMEL
Quantity:
3 340
Part Number:
ATMEGA128-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Examples of Baud Rate
Setting
Table 82. Examples of UBRR Settings for Commonly Used Oscillator Frequencies
1.
194
Baud
Rate
(bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
Max
(1)
UBRR = 0, Error = 0.0%
ATmega128
UBRR
25
12
6
3
2
1
1
0
–
–
–
–
62.5 kbps
U2X = 0
f
-18.6%
osc
-7.0%
Error
8.5%
8.5%
8.5%
0.2%
0.2%
8.5%
–
–
–
–
= 1.0000 MHz
UBRR
51
25
12
8
6
3
2
1
1
0
–
–
125 kbps
U2X = 1
For standard crystal and resonator frequencies, the most commonly used baud rates for
asynchronous operation can be generated by using the UBRR settings in Table 82.
UBRR values which yield an actual baud rate differing less than 0.5% from the target
baud rate, are bold in the table. Higher error ratings are acceptable, but the receiver will
have less noise resistance when the error ratings are high, especially for large serial
frames (see “Asynchronous Operational Range” on page 186). The error values are cal-
culated using the following equation:
-18.6%
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
UBRR
47
23
11
7
5
3
2
1
1
0
–
–
115.2 kbps
U2X = 0
Error[%]
f
-25.0%
osc
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
= 1.8432 MHz
=
UBRR
⎛
⎝
BaudRate
------------------------------------------------------- - 1
95
47
23
15
11
7
5
3
2
1
0
–
230.4 kbps
U2X = 1
BaudRate
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
Closest Match
–
UBRR
51
25
12
–
8
6
3
2
1
1
0
–
–
125 kbps
U2X = 0
⎞
⎠
•
100%
f
-18.6%
osc
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
8.5%
8.5%
8.5%
8.5%
–
–
= 2.0000 MHz
UBRR
103
16
12
51
25
8
6
3
2
1
–
0
2467M–AVR–11/04
250 kbps
U2X = 1
-3.5%
-7.0%
Error
2.1%
0.2%
8.5%
8.5%
8.5%
0.2%
0.2%
0.2%
0.0%
–
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