ATMEGA128A-MNR Atmel, ATMEGA128A-MNR Datasheet - Page 200
ATMEGA128A-MNR
Manufacturer Part Number
ATMEGA128A-MNR
Description
IC MCU AVR 128K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MNR
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)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP
Core
AVR8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 20-11. Examples of UBRR Settings for Commonly Used Oscillator Frequencies (Continued)
1.
Table 20-12. Examples of UBRR Settings for Commonly Used Oscillator Frequencies
1.
8151H–AVR–02/11
Baud
Rate
(bps)
0.5M
1M
Max
Baud Rate (bps)
2400
4800
9600
14.4k
19.2k
28.8k
38.4k
57.6k
76.8k
115.2k
230.4k
250k
0.5M
1M
Max
(1)
(1)
UBRR = 0, Error = 0.0%
UBRR = 0, Error = 0.0%
UBRR
0
–
0.5Mbps
U2X = 0
f
osc
Error
0.0%
–
= 8.0000MHz
UBRR
1
0
UBRR
U2X = 1
1Mbps
416
207
103
68
51
34
25
16
12
8
3
3
1
0
Error
0.0%
0.0%
U2X = 0
1Mbps
UBRR
–
–
691.2Kbps
U2X = 0
f
osc
-0.1%
-0.8%
-3.5%
Error
Error
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.2%
8.5%
0.0%
0.0%
0.0%
=
–
–
11.0592
f
osc
UBRR
= 16.0000MHz
1.3824Mbps
2
–
MHz
U2X = 1
-7.8%
Error
–
UBRR
832
416
207
138
103
68
51
34
25
16
8
7
3
1
UBRR
1
0
921.6Kbps
U2X = 0
U2X = 1
2Mbps
f
osc
-7.8%
-7.8%
Error
ATmega128A
= 14.7456MHz
UBRR
1.8432Mbps
-0.1%
-0.1%
-0.8%
-3.5%
3
1
Error
0.0%
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.0%
0.0%
0.0%
U2X = 1
-7.8%
-7.8%
Error
200
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