SX1231-31SKB433 Semtech, SX1231-31SKB433 Datasheet - Page 65

• Manufacturer Part Number: SX1231-31SKB433
• Description: USB Kit - SX1231 433Mhz
• Manufacturer: Semtech

Rev 4 - Nov 2010
ADVANCED COMMUNICATIONS & SENSING
RegListen1
(0x0D)
RegListen2
(0x0E)
RegListen3
(0x0F)
RegVersion
(0x10)
7-6
5-4
2-1
7-0
7-0
7-0
3
0
ListenResolIdle
ListenResolRx
ListenCriteria
ListenEnd
-
ListenCoefIdle
ListenCoefRx
Version
rw
rw
rw
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rw
rw
r
r
Page 65
0x20
0x23
0xf5
10
01
01
0
0
Resolution of Listen mode Idle time (calibrated RC osc):
00
01
10
11
Resolution of Listen mode Rx time (calibrated RC osc):
00
01
10
11
Criteria for packet acceptance in Listen mode:
0
1
SyncAddress matched
Action taken after acceptance of a packet in Listen mode:
00
be disabled (see section 4.3).
01
Timeout interrupt occurs. It then goes to the mode defined
by Mode . Listen mode stops and must be disabled (see
section 4.3).
10
Timeout interrupt occurs. Listen mode then resumes in
Idle state. FIFO content is lost at next Rx wakeup.
11
unused
Duration of the Idle phase in Listen mode.
Duration of the Rx phase in Listen mode (startup time
included, see section 4.2.3)
Version code of the chip. Bits 7-4 give the full revision
number; bits 3-0 give the metal mask revision number.
t
t
ListenRx
ListenIdle
signal strength is above RssiThreshold
signal strength is above RssiThreshold and
262 ms
262 ms
Reserved
reserved
64 us
4.1 ms
reserved
64 us
4.1 ms
chip stays in Rx mode. Listen mode stops and must
chip stays in Rx mode until PayloadReady or
chip stays in Rx mode until PayloadReady or
=
=
ListenCoef
ListenCoef
Rx
Idle
⋅
Listen
⋅
Listen
DATASHEET
www.semtech.com
Re
SX1231
Re
solRx
solIdle