ATA5811_06 ATMEL [ATMEL Corporation], ATA5811_06 Datasheet - Page 29

• Manufacturer Part Number: ATA5811_06
• Description: UHF ASK/FSK TRANSCEIVER
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 7-2.
7.1
4689F–RKE–08/06
OFF Mode
Flow Chart Operation Modes
OPM1
0
1
1
VSOUT = VS1
VSOUT = VS1
AVCC = VS1
DVCC = VS1
AVCC = VS1
DVCC = VS1
Bit AVCC_EN = 0 and OFF Command and
IDLE Mode
or V_REG2
OPM0
TX Mode
1
0
1
After connecting the power supply (battery) to pin VS1 and/or VS2 and if the voltage on pin
VAUX V
VSOUT are disabled, resulting in very low power consumption (I
mode the transceiver is not programmable via the 4-wire serial interface.
Pin T1, T2, T3, T4 and T5 = 1
TX Mode
RX Polling Mode
RX Mode
OPM1 = 1 and OPM0 = 1
Pin T1, T2, T3, T4 or
Pin PWR_ON = 0 and
Pin PWR_ON = 1 or
Pin T5
VAUX
OPM1 = 0 and OPM0 = 1
OPM1 = 1 and OPM0 = 0
V
V
VAUX
VAUX
< 3.5V (typically) the transceiver is in OFF mode. In OFF mode AVCC, DVCC and
< VS1 + 0.5V
> VS1 + 0.5V
VSOUT_EN = 0
OPM1 = 0 and OPM0 = 1
VSOUT = V_REG2
VSOUT = V_REG2
RX Polling Mode
RX Polling Mode
VSOUT = OFF
VSOUT = VS1
AVCC = VS1
DVCC = VS1
AVCC = VS1
DVCC = VS1
AVCC = VS1
DVCC = VS1
AVCC = VS1
DVCC = VS1
IDLE Mode
IDLE Mode
or V_REG2
Statusbit Power_On = 1
or
Event on Pin T1, T2, T3, T4 or T5
Statusbit Power_On = 1
or
Event on Pin T1, T2, T3, T4 or T5
OPM1 = 1 and OPM0 = 0
OPM1 = 1 and OPM0 = 1
VSOUT_EN = 0
Bit AVCC_EN = 0 and
Pin PWR_ON = 0 and
Pin T1, T2, T3, T4 and
Pin T1, T2, T3, T4 or
Pin PWR_ON = 1 or
OFF Command and
or Bit check ok
Bit AVCC_EN = 1
Pin T5 or
Bit check ok
V
T5 = 1
VAUX
> 3.5V (typ)
V
VAUX
ATA5811/ATA5812
< 3.5V (typ)
VSOUT = V_REG2
DVCC = V_REG2
VSOUT = OFF
VSOUT = VS1
AVCC = OFF
AVCC = VS1
DVCC = VS1
AVCC = VS1
DVCC = VS1
S_OFF
IDLE Mode
or V_REG2
AUX Mode
AUX Mode
is typically 10 nA). In OFF
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