SX1231-31SKB915 Semtech, SX1231-31SKB915 Datasheet - Page 71
SX1231-31SKB915
Manufacturer Part Number
SX1231-31SKB915
Description
TVS
Manufacturer
Semtech
Specifications of SX1231-31SKB915
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 71 of 81
- Download datasheet (2Mb)
Rev 3 - April 2010
RegFifoThresh
(0x3C)
RegPacketConfig2
(0x3D)
RegAesKey1
(0x3E)
RegAesKey2
(0x3F)
RegAesKey3
(0x40)
RegAesKey4
(0x41)
RegAesKey5
(0x42)
RegAesKey6
(0x43)
RegAesKey7
(0x44)
RegAesKey8
(0x45)
RegAesKey9
(0x46)
RegAesKey10
(0x47)
RegAesKey11
(0x48)
RegAesKey12
(0x49)
RegAesKey13
(0x4A)
ADVANCED COMMUNICATIONS & SENSING
6-0 FifoThreshold
7-4 InterPacketRxDelay
7-0 AesKey(127:120)
7-0 AesKey(119:112)
7-0 AesKey(111:104)
7-0 AesKey(103:96)
7-0 AesKey(95:88)
7-0 AesKey(87:80)
7-0 AesKey(79:72)
7-0 AesKey(71:64)
7-0 AesKey(63:56)
7-0 AesKey(55:48)
7-0 AesKey(47:40)
7-0 AesKey(39:32)
7-0 AesKey(31:24)
7
3
2
1
0
TxStartCondition
-
RestartRx
AutoRxRestartOn
AesOn
rw
rw
rw
rw
rw
rw
w
w
w
w
w
w
w
w
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Page 71
0001111 Used to trigger FifoLevel interrupt.
0000
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
1
0
0
1
0
*
Defines the condition to start packet transmission :
0
exceeds FifoThreshold)
1
unused
Forces the Receiver in WAIT mode, in Continuous Rx
mode.
Always reads 0.
Enables automatic Rx restart (RSSI phase) after
PayloadReady occurred and packet has been completely
read from FIFO:
0
1
InterPacketRxDelay .
Enable the AES encryption/decryption:
0
1
1
2
3
4
5
6
7
8
9
10
11
12
13
After PayloadReady occurred, defines the delay between
FIFO empty and the start of a new RSSI phase for next
packet. Must match the transmitter’s PA ramp-down time.
- Tdelay = 0 if InterpacketRxDelay >= 12
st
nd
rd
th
th
th
th
th
th
- Tdelay = (2
th
th
th
th
byte of cipher key (MSB byte)
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
byte of cipher key
FifoLevel (i.e. the number of bytes in the FIFO
FifoNotEmpty (i.e. at least one byte in the FIFO)
Off. RestartRx can be used.
On. Rx automatically restarted after
Off
On (payload limited to 66 bytes maximum)
InterpacketRxDelay
) / BitRate otherwise
DATASHEET
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SX1231
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