MLX90363 Datasheet, PDF (26/57 Pages) Melexis Microelectronic Systems – Triaxis® Magnetometer IC With High Speed Serial Interface

MLX90363
Triaxis® Magnetometer IC
With High Speed Serial Interface
14.9. Opcode Table
Opcode
19d 0x13
20d 0x14
21d 0x15
1d 0x01
3d 0x03
5d 0x05
15d 0x0F
16d 0x10
22d 0x16
24d 0x18
26d 0x1A
47d 0x2F
49d 0x31
MOSI Message
GET1
GET2
GET3
MemoryRead
EEPROMWrite
EEChallengeAns
EEReadChallenge
NOP / Challenge
DiagnosticDetails
OscCounterStart
OscCounterStop
Reboot
Standby
Opcode
n/a
MISO Message
Regular Data Packet
45d 0x2D Get3Ready
2d 0x02 MemoryRead Answer
4d 0x04 EEPROMWrite Challenge
40d 0x28 EEReadAnswer
14d 0x0E EEPROMWrite Status
17d 0x11 Challenge/NOP MISO Packet
23d 0x17 Diagnostics Answer
25d 0x19 OscCounterStart Acknowledge
27d 0x1B OscCounterStopAck+CounterValue
50d 0x32 StandbyAck
61d 0x3D Error frame
62d 0x3E NothingToTransmit (NTT)
44d 0x2C Ready Message (first SO after POR)
Table 19 – Opcode Table
14.10. Timing specifications per Opcode, and next allowed messages
For each slave-in message, the timing between the slave-select-rising-edge event and the slave-select-
falling event, as depicted below, is specified.
/SS Pin
Opcode
tREFE
Figure 14 – Timing diagram
Opcode
Op MOSI Message
19 GET1
20 GET2 followed by Sync
21 GET3
1 MemoryRead
3 EEPROMWrite
5 EEChallengeAns
15 EEReadChallenge
16 NOP / Challenge
22 DiagnosticDetails
24 OscCounterStart
26 OscCounterStop
47 Reboot
49 Standby
tREFE
tREFE_mod1
tSyncFE
tREFE_mod3
tShort
tShort
teewrite
tShort
tShort
tShort
tShort
tShort
tStartup
tShort
Next allowed slave-in message
GET1, MemoryRead,DiagDetails,NOP
GET2, MemoryRead,DiagDetails,NOP
GET3, MemoryRead,DiagDetails,NOP
MemoryRead, DiagDetails, NOP
EEReadChallenge
NOP
EEChallengeAns
All commands
All commands
OscCounterStop
NOP
See Startup Sequence
All commands
Table 20 – Response time and Next allowed slave-in messages
3901090363
Rev. 005
Page 26 of 57
Data Sheet
Jul/13