ATMEGA128RFA1-ZU Atmel, ATMEGA128RFA1-ZU Datasheet - Page 288

• 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

18.11.33 TCCR4C – Timer/Counter4 Control Register C
288
ATmega128RFA1
• Bit 2:0 – CS42:40 - Clock Select
The three clock select bits select the clock source to be used by the Timer/Counter4
according to the following table. External pin modes cannot be used for the
Timer/Counter4.
Table 18-23 CS4 Register Bits
• Bit 7 – FOC4A - Force Output Compare for Channel A
The FOC4A bit is only active when the WGM43:0 bits specify a non-PWM mode. When
writing a logical one to the FOC4A bit, an immediate compare match is forced. Due to
the limited functionality of the Timer/Counter4 the match has no direct impact on any
output pin. Note that the FOC4A bits are implemented as strobes. Therefore it is the
value present in the COM4A1:0 bits that determine the effect of the forced compare. A
FOC4A strobe will not generate any interrupt nor will it clear the timer in Clear Timer on
Bit
NA ($A2)
Read/Write
Initial Value
Register Bits
Register Bits
CS42:40
FOC4A
RW
7
0
FOC4B
RW
6
0
FOC4C
RW
5
0
Value
Value
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0xA
0xB
0xC
0xD
0xE
0xF
0x4
0x5
0x6
0x7
0x8
0x9
Res4
R
4
0
Description
CTC, TOP = OCRnA
Fast PWM, 8-bit
Fast PWM, 9-bit
Fast PWM, 10-bit
PWM, Phase and frequency correct, TOP =
ICRn
PWM, Phase and frequency correct, TOP =
OCRnA
PWM, Phase correct, TOP = ICRn
PWM, Phase correct, TOP = OCRnA
CTC, TOP = OCRnA
Reserved
Fast PWM, TOP = ICRn
Fast PWM, TOP = OCRnA
Description
No clock source (Timer/Counter stopped)
clk_IO/1 (no prescaling)
clk_IO/8 (from prescaler)
clk_IO/64 (from prescaler)
clk_IO/256 (from prescaler)
clk_IO/1024 (from prescaler)
Reserved
Reserved
Res3
R
3
0
Res2
R
2
0
Res1
R
1
0
8266A-MCU Wireless-12/09
Res0
R
0
0
TCCR4C