ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 123
ATmega1284PR231
Manufacturer Part Number
ATmega1284PR231
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT86RF231.pdf
(198 pages)
2.ATMEGA1284PR231.pdf
(380 pages)
3.ATMEGA1284PR231.pdf
(20 pages)
Specifications of ATmega1284PR231
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
20 MHz
Max I/o Pins
32
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
AES
Sram (kbytes)
16
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
3
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
2
Antenna Diversity
Yes
External Pa Control
Yes
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
13.2
Transmit Current Consumption (ma)
14.4
Link Budget (dbm)
104
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8111C–MCU Wireless–09/09
Bit
+0x1A
Read/Write
Reset Value
Bit
+0x1B
Read/Write
Reset Value
PLL_DCU_START
PLL_CF_START
R/W
R/W
7
7
0
0
Table 9-17.
Register 0x1A (PLL_CF):
This register controls the operation of the center frequency calibration loop.
• Bit 7 - PLL_CF_START
PLL_CF_START = 1 initiates the center frequency calibration. The calibration cycle has finished
after t
• Bit [6:0] - Reserved
Register 0x1B (PLL_DCU):
This register controls the operation of the delay cell calibration loop.
Register Bit
CHANNEL
R/W
6
6
R
1
0
TR21
= 35 µs (typ.). The register bit is cleared immediately after finishing the calibration.
Channel Assignment for IEEE 802.15.4 - 2.4 GHz Band
R/W
R/W
5
5
0
1
Value
0x0B
0x0C
0x0D
0x0E
0x1A
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
R/W
R/W
4
4
1
0
Channel Number k
Reserved
Reserved
R/W
R/W
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
3
3
0
0
R/W
R/W
2
2
1
0
R/W
R/W
Center Frequency [MHz]
1
1
1
0
AT86RF231
2405
2410
2415
2420
2425
2430
2435
2440
2445
2450
2455
2460
2465
2470
2475
2480
R/W
R/W
0
0
1
0
PLL_DCU
PLL_CF
123
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