ATmega1284PR231 Atmel Corporation, ATmega1284PR231 Datasheet - Page 8
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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1.3.3
8111C–MCU Wireless–09/09
Bit
0x03
Read/Write
Initial Value
Register Description
R/W
7
0
PAD_IO
Register 0x03 (TRX_CTRL_0):
The TRX_CTRL_0 register controls the drive current of the digital output pads and the CLKM
clock rate.
• Bit [7:6] - PAD_IO
The register bits set the output driver current of all digital output pads, except CLKM.
Table 1-5.
Note:
• Bit [5:4] - PAD_IO_CLKM
The register bits set the output driver current of pin CLKM. Refer also to
Oscillator (XOSC)” on page
Table 1-6.
• Bit 3 - CLKM_SHA_SEL
Refer to
• Bit [2:0] - CLKM_CTRL
Refer to
Register Bit
PAD_IO
Register Bit
PAD_IO_CLKM
R/W
6
0
1. Reset values of register bits are underlined characterized in the document.
Section 9.6 “Crystal Oscillator (XOSC)” on page
Section 9.6 “Crystal Oscillator (XOSC)” on page
R/W
5
0
Digital Output Driver Strength
CLKM Driver Strength
PAD_IO_CLKM
R/W
4
1
116.
CLKM_SHA_SEL
Value
Value
0
1
2
3
0
1
2
3
(1)
R/W
3
1
Description
2 mA
4 mA
6 mA
8 mA
Description
2 mA
4 mA
6 mA
8 mA
R/W
2
0
116.
116.
CLKM_CTRL
R/W
1
0
AT86RF231
Section 9.6 “Crystal
R/W
0
1
TRX_CTRL_0
8
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