ATMEGA64A-ANR Atmel, ATMEGA64A-ANR Datasheet - Page 193

• Manufacturer Part Number: ATMEGA64A-ANR
• Description: IC MCU AVR 64K FLASH 64TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64A-ANR

• 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: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 20-5.
1.
8160C–AVR–07/09
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)
UBRR = 0, Error = 0.0%
UBRRn
95
47
23
15
11
230.4 kbps
7
5
3
2
1
0
0
–
–
Examples of UBRR Settings for Commonly Used Oscillator Frequencies (Continued)
U2X = 0
f
osc
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
= 3.6864 MHz
UBRRn
191
95
47
31
23
15
11
460.8 kbps
7
5
3
1
1
0
–
U2X = 1
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
UBRRn
103
51
25
16
12
3
2
8
6
1
0
0
–
–
250 kbps
U2X = 0
f
osc
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
8.5%
8.5%
0.0%
–
–
= 4.0000 MHz
UBRRn
207
103
51
34
25
16
12
8
6
3
1
1
0
–
0.5 Mbps
U2X = 1
-0.8%
-3.5%
-7.0%
Error
0.2%
0.2%
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
0.0%
0.0%
–
UBRRn
191
95
47
31
23
15
11
460.8 kbps
7
5
3
1
1
0
–
U2X = 0
f
osc
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
ATmega64A
= 7.3728 MHz
UBRRn
383
191
95
63
47
31
23
15
11
921.6 kbps
7
3
3
1
0
U2X = 1
-7.8%
-7.8%
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
193