ATA5771-PXQW Atmel, ATA5771-PXQW Datasheet - Page 91

• Manufacturer Part Number: ATA5771-PXQW
• Description: XMITTR UHF ASK/FSK 868MHZ 24VQFN
• Manufacturer: Atmel

Specifications of ATA5771-PXQW

• Frequency: 868MHz ~ 928MHz
• Modulation Or Protocol: UHF
• Power - Output: 8dBm
• Voltage - Supply: 2 V ~ 4 V
• Current - Transmitting: 9.8mA
• Data Interface: PCB, Surface Mount
• Memory Size: 4kB Flash, 256B EEPROM, 256B SRAM
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-VQFN Exposed Pad, 24-HVQFN, 24-SQFN, 24-DHVQFN
• Processor Series: ATA5x
• Core: AVR8
• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 4 KB
• Data Ram Size: 256 B
• Interface Type: SPI, USI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Applications: -
• Sensitivity: -
• Data Rate - Maximum: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Details

4.15.9.2
9137E–RKE–12/10
TCCR0B – Timer/Counter Control Register B
• Bit 7 – FOC0A: Force Output Compare A
The FOC0A bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR0B is written when operating in PWM mode. When writing a logical one to the FOC0A
bit, an immediate Compare Match is forced on the Waveform Generation unit. The OC0A out-
put is changed according to its COM0A1:0 bits setting. Note that the FOC0A bit is
implemented as a strobe. Therefore it is the value present in the COM0A1:0 bits that deter-
mines the effect of the forced compare.
A FOC0A strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR0A as TOP.
The FOC0A bit is always read as zero.
• Bit 6 – FOC0B: Force Output Compare B
The FOC0B bit is only active when the WGM bits specify a non-PWM mode.
However, for ensuring compatibility with future devices, this bit must be set to zero when
TCCR0B is written when operating in PWM mode. When writing a logical one to the FOC0B
bit, an immediate Compare Match is forced on the Waveform Generation unit. The OC0B out-
put is changed according to its COM0B1:0 bits setting. Note that the FOC0B bit is
implemented as a strobe. Therefore it is the value present in the COM0B1:0 bits that deter-
mines the effect of the forced compare.
A FOC0B strobe will not generate any interrupt, nor will it clear the timer in CTC mode using
OCR0B as TOP.
The FOC0B bit is always read as zero.
• Bits 5:4 – Res: Reserved Bits
These bits are reserved bits in the ATtiny44V and will always read as zero.
• Bit 3 – WGM02: Waveform Generation Mode
See the description in the
page
• Bits 2:0 – CS02:0: Clock Select
The three Clock Select bits select the clock source to be used by the Timer/Counter.
Bit
0x33 (0x55)
Read/Write
Initial Value
88.
FOC0A
W
7
0
FOC0B
W
6
0
Section 4.15.9.1 “TCCR0A – Timer/Counter Control Register A” on
R
5
–
0
R
4
–
0
WGM02
R/W
Atmel ATA5771/73/74
3
0
CS02
R/W
2
0
CS01
R/W
1
0
CS00
R/W
0
0
TCCR0B
91