ATMEGA2560R231-CU Atmel, ATMEGA2560R231-CU Datasheet - Page 229

• Manufacturer Part Number: ATMEGA2560R231-CU
• Description: BUNDLE ATMEGA2560/RF231 PBGA
• Manufacturer: Atmel

Specifications of ATMEGA2560R231-CU

• Frequency: 2.4GHz
• Modulation Or Protocol: 802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
• Data Interface: PCB, Surface Mount
• Memory Size: 256kB Flash, 4kB EEPROM, 8kB RAM
• Antenna Connector: PCB, Surface Mount
• Package / Case: 100-CBGA and 32-QFN
• Processor Series: ATMEGA256x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 256 KB
• Data Ram Size: 8 KB
• Development Tools By Supplier: ATAVRRZ541, ATAVRRAVEN, ATAVRRZRAVEN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Supply: -
• Power - Output: -
• Operating Temperature: -
• Applications: -
• Sensitivity: -
• Data Rate - Maximum: -
• Current - Transmitting: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Details

Table 21-10. Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
1.
2549M–AVR–09/10
Max.
115.2 K
230.4 K
14.4 K
19.2 K
28.8 K
38.4 K
57.6 K
76.8 K
250 K
Baud
(bps)
0.5 M
Rate
2400
4800
9600
1 M
(1)
UBRR = 0, Error = 0.0%
UBRR
95
47
23
15
11
7
5
3
2
1
0
0
–
–
230.4 Kbps
U2Xn = 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
UBRR
191
95
47
31
23
15
11
7
5
3
1
1
0
–
460.8 Kbps
U2Xn = 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%
–
UBRR
103
51
25
16
12
8
6
3
2
1
0
0
–
–
U2Xn = 0
250 Kbps
f
osc
ATmega640/1280/1281/2560/2561
-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
UBRR
207
103
51
34
25
16
12
8
6
1
3
1
0
–
U2Xn = 1
0.5 Mbps
-0.8%
-3.5%
-7.0%
Error
0.2%
0.2%
2.1%
0.2%
8.5%
8.5%
0.0%
0.2%
0.2%
0.0%
–
UBRR
191
95
47
31
15
11
23
1
7
5
3
1
0
–
460.8 Kbps
U2Xn = 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%
–
= 7.3728 MHz
UBRR
383
191
95
63
47
31
23
15
11
7
3
3
1
0
921.6 Kbps
U2Xn = 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%
229