ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 203

• Manufacturer Part Number: ATMEGA128RFA1-ZU
• Description: IC AVR MCU 2.4GHZ XCEIVER 64QFN
• Manufacturer: Atmel
• Series: ATMEGAr

Specifications of ATMEGA128RFA1-ZU

• Frequency: 2.4GHz
• Data Rate - Maximum: 2Mbps
• Modulation Or Protocol: 802.15.4 Zigbee
• Applications: General Purpose
• Power - Output: 3.5dBm
• Sensitivity: -100dBm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Current - Receiving: 12.5mA
• Current - Transmitting: 14.5mA
• Data Interface: PCB, Surface Mount
• Memory Size: 128kB Flash, 4kB EEPROM, 16kB RAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN, Exposed Pad
• Rf Ic Case Style: QFN
• No. Of Pins: 64
• Supply Voltage Range: 1.8V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 128 KB
• Data Ram Size: 16 KB
• Interface Type: JTAG
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 38
• Number Of Timers: 6
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVR128RFA1-EK1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8266B-MCU Wireless-03/11
TOSC2, Timer Oscillator pin 1: Setting the AS2 bit to one and the EXCLKAMR bit to
zero in ASSR, enables asynchronous clocking of Timer/Counter2 by a Crystal
Oscillator. The pin PG4 is disconnected from the port, and becomes the input of the
inverting Oscillator amplifier. In this mode, a Crystal Oscillator is connected to this pin,
and the pin can not be used as an I/O pin.
TOSC2 – Port G, Bit 3
TOSC2, Timer Oscillator pin 2: Setting the AS2 bit to one and the EXCLKAMR bit to
zero in ASSR, enables asynchronous clocking of Timer/Counter2 by a Crystal
Oscillator. The pin PG3 is disconnected from the port, and becomes the inverting output
of the Oscillator amplifier. In this mode, a Crystal Oscillator is connected to this pin, and
the pin can not be used as an I/O pin.
• AMR – Port G, Bit 2
AMR, Automated Meter Reading Input: Setting the AS2 and the EXCLKAMR bits in
ASSR to one, enables asynchronous clocking of Timer/Counter2 by the AMR pin
• DIG1 – Port G, Bit 1
DIG1,
ANT_EXT_SW_EN in ANT_DIV is set to one then the PG1 pin serves as a Radio
Transceiver output to control External Antenna Diversity.
• DIG3 – Port G, Bit 0
DIG3, Radio Transceiver RX/TX Indicator Output: If the bit PA_EXT_EN in
TRX_CTRL_1 is set to one then the PG0 pin serves as the Radio Transceiver
receive/transmit indicator output to control an external RF front-end.
Table 14-16 below
shown in
Table 14-16. Overriding Signals for Alternate Functions PG5:PG2
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Radio
Figure 14-5 on
PG5/OC0B
–
–
–
–
OC0B Enable
OC0B
–
–
–
–
Transceiver
relates the alternate functions of Port G to the overriding signals
page 192.
PG4/TOSC1
AS2 &
(~EXCLKAMR)
0
AS2 &
(~EXCLKAMR)
0
0
0
AS2 &
(~EXCLKAMR)
EXCLK
–
T/C2
OSC INPUT
Antenna
Diversity
PG3/TOSC2
AS2 &
(~EXCLKAMR) &
(~EXCLK)
0
AS2 &
(~EXCLKAMR) &
(~EXCLK)
0
0
0
AS2 &
(~EXCLKAMR) &
(~EXCLK)
0
–
T/C2
OSC OUTPUT
ATmega128RFA1
Control
Output:
PG2/AMR
AS2 & EXCLKAMR
0
AS2 & EXCLKAMR
0
0
0
AS2 & EXCLKAMR
1
AMR
–
If
the
203
bit