ATmega128RZAV Atmel Corporation, ATmega128RZAV Datasheet - Page 7
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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2.2
Table 2-1.
2.3
2.3.1
2.3.2
2.3.3
2.3.4
2.3.5
2549N–AVR–05/11
Device
ATmega1280
ATmega1281
ATmega2560
ATmega2561
ATmega640
Comparison Between ATmega1281/2561 and ATmega640/1280/2560
Pin Descriptions
VCC
GND
Port A (PA7..PA0)
Port B (PB7..PB0)
Port C (PC7..PC0)
Configuration Summary
128KB
128KB
256KB
256KB
Flash
64KB
Each device in the ATmega640/1280/1281/2560/2561 family differs only in memory size and
number of pins.
Digital supply voltage.
Ground.
Port A is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
P o r t A a l s o s e r v e s t h e f u n c t i o n s o f v a r i o u s s p e c i a l f e a t u r e s o f t h e
ATmega640/1280/1281/2560/2561 as listed on
Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B has better driving capabilities than the other ports.
P o r t B a l s o s e r v e s t h e f u n c t i o n s o f v a r i o u s s p e c i a l f e a t u r e s o f t h e
ATmega640/1280/1281/2560/2561 as listed on
Port C is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port C output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port C pins that are externally pulled low will source current if the pull-up
EEPROM
4KB
4KB
4KB
4KB
4KB
Table 2-1
RAM
8KB
8KB
8KB
8KB
8KB
summarizes the different configurations for the six devices.
Purpose I/O pins
ATmega640/1280/1281/2560/2561
General
86
86
54
86
54
page
page
16 bits resolution
PWM channels
78.
79.
12
12
12
6
6
USARTs
Serial
4
4
2
4
2
Channels
ADC
16
16
16
8
8
7
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