Rev. 0.1 8/11 Copyright © 2011 by Silicon Laboratories AN625
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AN625
Si446X API DESCRIPTIONS
1. Introduction
This document provides API descriptions for the commands and properties used to control and configure the
Si446x family.
2. API Summary
2.1. Command Summary
Table 1. Command Summary
Boot Commands
Number Name Summary
0x02 POWER_UP Power-up device and mode selection. Modes include operational
function.
0x04 PATCH_IMAGE Loads image from NVM/ROM into RAM.
Common Commands
Number Name Summary
0x00 NOP No operation command
0x01 PART_INFO Reports basic information about the device.
0x10 FUNC_INFO Returns the Function revision information of the device.
0x11 SET_PROPERTY Sets the value of a property.
0x12 GET_PROPERTY Retrieve a property's value.
0x13 GPIO_PIN_CFG Configures the GPIO pins.
0x14 GET_ADC_READING Retrieve the results of possible ADC conversions.
0x15 FIFO_INFO Provides access to transmit and receive fifo counts and reset.
0x16 GET_PACKET_INFO Returns information about the last packet received.
0x17 IRCAL Calibrate Image Rejection (Si4463 and Si4464 only).
0x18 PROTOCOL_CFG Sets the chip up for specified protocol.
0x20 GET_INT_STATUS Returns the interrupt status byte.
0x21 GET_PH_STATUS Returns the packet handler status.
0x22 GET_MODEM_STATUS Returns the modem status byte.
0x23 GET_CHIP_STATUS Returns the chip status.
0x31 START_TX Switches to TX state and starts packet transmission.
0x32 START_RX Switches to RX state. Command arguments are retained though
sleep state, so these only need to be written when they change.
0x33 REQUEST_DEVICE_STATE Request current device state.
0x34 CHANGE_STATE Update state machine entries.
0x36 RX_HOP Fast RX to RX transitions for use in frequency hopping systems
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