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CC1000
SWRS048A Page 18 of 55
Figure 9. Transparent Asynchronous UART mode
Time
TX
data
1 0 1 1 0 0 0 1 1 0 1
Time
TX
data
1 0 1 1 0 0 0 1 1 0 1
Figure 10. Manchester encoding
DIO
DCLK
“RF”
DCLK is not used in transmit mode.
Used as data output in receive mode.
FSK modulating signal,
internal in CC1000
Data provided by UART (TXD)
Transmitter side:
DIO is not used in receive mode. Used only
as data input in transmit mode.
Demodulated signal,
internal in CC1000
Data output provided by CC1000.
Connect to UART (RXD).
Receiver side:
“RF”
DIO
DCLK
DIO
DCLK
“RF”
DCLK is not used in transmit mode.
Used as data output in receive mode.
FSK modulating signal,
internal in CC1000
Data provided by UART (TXD)
Transmitter side:
DIO is not used in receive mode. Used only
as data input in transmit mode.
Demodulated signal,
internal in CC1000
Data output provided by CC1000.
Connect to UART (RXD).
Receiver side:
“RF”
DIO
DCLK