Stat1; Stat2; Table 3-1: Stat1; Table 3-2: Stat2 - Semtech LR1110 User Manual

Stat1 and Stat2 are always sent when the host issues a command. Only Stat1 is sent back when retrieving data from the
LR1110.
The command GetStatus( ) allows returning the status registers.

3.3.1 Stat1

Table 3-1: Stat1

Bits
Name
•
Command Status determines the status of the last command sent by the host:
0 = CMD_FAIL: the last command could not be executed

1 = CMD_PERR: the last command could not be processed (wrong opcode, arguments). It is possible to generate an

interrupt on DIO if a command error occurred.
2 = CMD_OK: the last command was processed successfully.

3 = CMD_DAT: the last command was a successfully processed, and data is currently transmitted instead of IRQ

status.
•
Interrupt Status indicates if a LR1110 system interrupt was raised.
0: No interrupt active

1: At least 1 interrupt active


3.3.2 Stat2

Table 3-2: Stat2

Bits
Name
•
Reset Status allows the host to determine the origin of a LR1110 reset:
0 = Cleared (no active reset)

1 = Analog reset (Power On Reset, Brown-Out Reset)

2= External reset (NRESET pin)

3= System reset

4= Watchdog

5= IOCD restart

6= RTC restart

• Chip Mode allows the host to determine the current mode of the LR1110:
0 = Sleep.

1 = Standby with RC Oscillator.

2 = Standby with Xtal Oscillator.

LR1110
User Manual Rev.1.0
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Reset Status
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Command Status
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Chip Mode
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Interrupt Status
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