nrf24le1-f16q48-t ETC-unknow, nrf24le1-f16q48-t Datasheet - Page 18

• Manufacturer Part Number: nrf24le1-f16q48-t
• Description: Ultra-low Power Wireless System On-chip Solution
• Manufacturer: ETC-unknow

nRF24LE1 Preliminary Product Specification
.
3.3.1.2
In power down mode the RF Transceiver is disabled with minimal current consumption. All the register val-
ues available from the SPI are maintained and the SPI can be activated. For start up times see
page
3.3.1.3
Standby-I mode
By setting the PWR_UP bit in the CONFIG register to 1, the RF Transceiver enters standby-I mode. Standby-
I mode is used to minimize average current consumption while maintaining short start up times. Change to
the active mode only happens if the rfce bit is enabled and when it is not enabled, the RF Transceiver
returns to standby-I mode from both the TX and RX modes.
Revision 1.1
TX FIFO empty
CE = 1
PWR_DN = 1
Legend:
Undefined
20. Power down mode is entered by setting the PWR_UP bit in the CONFIG register low.
Recommended operating mode
Possible operating mode
Undefined
Transition state
Recommended path between operating modes
Possible path between operating modes
Pin signal condition
Bit state condition
System information
Power down mode
Standby modes
Figure 6. Radio control state diagram
18 of 191
PWR_UP = 0
PWR_UP=0
RX Mode
RX Settling
130 us
Undefined
Power Down
Power on
PWR_UP = 0
rfce = 0
50ms
reset
rfce = 0
PWR_UP=0
PRIM_RX = 1
rfce = 1
PWR_UP = 1
Start up time is
150µs
PWR_UP = 0
TX finished with one packet
rfce = 0
Standby-I
TX FIFO not empty
PRIM_RX = 0
rfce = 1 for more than 10µs
TX Settling
TX Mode
130 us
rfce = 1
TX FIFO not empty
PRIM_RX = 0
TX FIFO empty
rfce = 1
TX FIFO not empty
rfce = 1
PWR_UP=0
Table 4. on
TX FIFO empty
rfce = 1
Standby-II