ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 115

• 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

9.12.20 VREG_CTRL – Voltage Regulator Control and Status Register
8266A-MCU Wireless-12/09
• Bit 6 – TX_END - TX_END Interrupt Status
• Bit 5 – AMI - Address Match Interrupt Status
• Bit 4 – CCA_ED_DONE - End of ED Measurement Interrupt Status
• Bit 3 – RX_END - RX_END Interrupt Status
• Bit 2 – RX_START - RX_START Interrupt Status
• Bit 1 – PLL_UNLOCK - PLL Unlock Interrupt Status
• Bit 0 – PLL_LOCK - PLL Lock Interrupt Status
This register controls the use of the voltage regulators and indicates their status.
• Bit 7 – AVREG_EXT - Use External AVDD Regulator
If set, this register bit disables the internal analog voltage regulator to apply an external
regulated 1.8V supply for the analog building blocks.
Table 9-51 AVREG_EXT Register Bits
• Bit 6 – AVDD_OK - AVDD Supply Voltage Valid
This register bit indicates if the internal 1.8V regulated voltage supply AVDD has
settled. The bit is set to logic high if AVREG_EXT = 1.
Table 9-52 AVDD_OK Register Bits
• Bit 5:3 – Resx5:3 - Reserved
• Bit 2 – DVDD_OK - DVDD Supply Voltage Valid
This register bit indicates if the internal 1.8V regulated voltage supply DVDD has
settled. The bit is set to logic high if DVREG_EXT = 1.
Bit
NA ($150)
Read/Write
Initial Value
Bit
NA ($150)
Read/Write
Initial Value
Register Bits
AVREG_EXT
Register Bits
AVDD_OK
AVREG_EXT
Resx3
RW
RW
7
0
3
0
AVDD_OK
DVDD_OK
R
R
6
0
2
0
Value
Value
0
1
0
1
Resx5
Resx1
Description
Internal AVDD voltage regulator for the
analog section is enabled.
Internal AVDD voltage regulator is disabled;
use external regulated 1.8V supply voltage
for the analog section.
Description
Analog voltage regulator disabled or supply
voltage not stable
Analog supply voltage has settled
RW
RW
5
0
1
0
ATmega128RFA1
Resx4
Resx0
RW
RW
4
0
0
0
VREG_CTRL
VREG_CTRL
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