ATmega128RZAV Atmel Corporation, ATmega128RZAV Datasheet - Page 189
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ATmega128RZAV
Manufacturer Part Number
ATmega128RZAV
Description
Manufacturer
Atmel Corporation
Specifications of ATmega128RZAV
Flash (kbytes)
128 Kbytes
Max. Operating Frequency
16 MHz
Max I/o Pins
54
Spi
3
Twi (i2c)
1
Uart
2
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Crypto Engine
No
Sram (kbytes)
8
Eeprom (bytes)
4096
Operating Voltage (vcc)
1.8 to 3.6
Timers
6
Frequency Band
2.4 GHz
Max Data Rate (mb/s)
0.25
Antenna Diversity
No
External Pa Control
No
Power Output (dbm)
3
Receiver Sensitivity (dbm)
-101
Receive Current Consumption (ma)
16.0
Transmit Current Consumption (ma)
17.0
Link Budget (dbm)
104
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2549N–AVR–05/11
Table 20-7
rect PWM mode.
Table 20-7.
Note:
• Bits 3, 2 – Res: Reserved Bits
These bits are reserved bits and will always read as zero.
• Bits 1:0 – WGM21:0: Waveform Generation Mode
Combined with the WGM22 bit found in the TCCR2B Register, these bits control the counting
sequence of the counter, the source for maximum (TOP) counter value, and what type of wave-
form generation to be used, see
unit are: Normal mode (counter), Clear Timer on Compare Match (CTC) mode, and two types of
Pulse Width Modulation (PWM) modes (see
Table 20-8.
Notes:
Mode
COM2B1
0
1
2
3
4
5
6
7
0
0
1
1
1. A special case occurs when OCR2B equals TOP and COM2B1 is set. In this case, the Com-
1. MAX
2. BOTTOM = 0x00.
WGM2
shows the COM2B1:0 bit functionality when the WGM22:0 bits are set to phase cor-
pare Match is ignored, but the set or clear is done at TOP. See
page 179
0
0
0
0
1
1
1
1
Compare Output Mode, Phase Correct PWM Mode
Waveform Generation Mode Bit Description
COM2B0
for more details.
WGM1
0
1
0
1
= 0xFF.
0
0
1
1
0
0
1
1
WGM0
Table
ATmega640/1280/1281/2560/2561
0
1
0
1
0
1
0
1
Clear OC2B on Compare Match when down-counting
20-8. Modes of operation supported by the Timer/Counter
Set OC2B on Compare Match when down-counting
Clear OC2B on Compare Match when up-counting
Set OC2B on Compare Match when up-counting
Timer/Counter
Normal port operation, OC2B disconnected
PWM, Phase
PWM, Phase
Operation
Fast PWM
Fast PWM
Reserved
Reserved
“Modes of Operation” on page
Mode of
Normal
Correct
Correct
CTC
Description
Reserved
OCRA
OCRA
OCRA
0xFF
0xFF
0xFF
TOP
–
–
(1)
“Phase Correct PWM Mode” on
Update of
Immediate
Immediate
BOTTOM
BOTTOM
OCRx at
TOP
TOP
–
–
176).
Set on
TOV Flag
BOTTOM
BOTTOM
MAX
MAX
MAX
TOP
–
–
(1)(2)
189
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