SI1012-A-GM Silicon Laboratories Inc, SI1012-A-GM Datasheet - Page 251
![IC TXRX MCU + EZRADIOPRO](/photos/14/21/142131/42-qfn-series_sml.jpg)
SI1012-A-GM
Manufacturer Part Number
SI1012-A-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1012-A-GM
Package / Case
42-QFN
Frequency
240MHz ~ 960MHz
Data Rate - Maximum
256kbps
Modulation Or Protocol
FSK, GFSK, OOK
Applications
General Purpose
Power - Output
13dBm
Sensitivity
-121dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
18.5mA
Current - Transmitting
30mA
Data Interface
PCB, Surface Mount
Memory Size
16kB Flash, 768B RAM
Antenna Connector
PCB, Surface Mount
Number Of Receivers
1
Number Of Transmitters
1
Wireless Frequency
240 MHz to 960 MHz
Interface Type
UART, SMBus, SPI, PCA
Output Power
13 dBm
Operating Supply Voltage
0.9 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
4 mA
Minimum Operating Temperature
- 40 C
Modulation
FSK, GFSK, OOK
Protocol Supported
C2, SMBus
Core
8051
Program Memory Type
Flash
Program Memory Size
16 KB
Data Ram Size
768 B
Supply Current (max)
4 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1871-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI1012-A-GMR
Manufacturer:
ROHM
Quantity:
12 000
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23.1.1. Operating Mode Control
There are four primary states in the EZRadioPRO transceiver radio state machine: SHUTDOWN, IDLE,
TX, and RX (see Figure 23.1). The SHUTDOWN state completely shuts down the radio to minimize current
consumption. There are five different configurations/options for the IDLE state which can be selected to
optimize the chip to the applications needs. "Register 07h. Operating Mode and Function Control 1" con-
trols which operating mode/state is selected with the exception of SHUTDOWN which is controlled by SDN
pin 20. The TX and RX state may be reached automatically from any of the IDLE states by setting the
txon/rxon bits in "Register 07h. Operating Mode and Function Control 1". Table 23.2 shows each of the
operating modes with the time required to reach either RX or TX mode as well as the current consumption
of each mode.
The transceivers include a low-power digital regulated supply (LPLDO) which is internally connected in
parallel to the output of the main digital regulator (and is available externally at the VR_DIG pin). This com-
mon digital supply voltage is connected to all digital circuit blocks including the digital modem, crystal oscil-
lator, SPI, and register space. The LPLDO has extremely low quiescent current consumption but limited
current supply capability; it is used only in the IDLE-STANDBY and IDLE-SLEEP modes. The main digital
regulator is automatically enabled in all other modes.
Shut Down State
Idle States:
TX State
RX State
Standby Mode
Sleep Mode
Sensor Mode
Ready Mode
Tune Mode
Table 23.2. EZRadioPRO Operating Modes Response Time
State/Mode
TX
Figure 23.1. State Machine Diagram
*Five Different Options for IDLE
16.8 ms
800 µs
800 µs
800 µs
200 µs
200 µs
200 µs
Response Time to
NA
TX
SHUT DWN
SHUTDOWN
Rev. 1.0
IDLE*
16.8 ms
800 µs
800 µs
800 µs
200 µs
200 µs
200 µs
RX
NA
Current in State /Mode
30 mA @ +13 dBm
Si1010/1/2/3/4/5
18.5 mA
800 µA
450 nA
8.5 mA
15 nA
1 µA
1 µA
[µA]
RX
251
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