SI1015-A-GM Silicon Laboratories Inc, SI1015-A-GM Datasheet - Page 213
![IC TXRX MCU + EZRADIOPRO](/photos/14/21/142131/42-qfn-series_sml.jpg)
SI1015-A-GM
Manufacturer Part Number
SI1015-A-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1015-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
0.9 V ~ 3.6 V
Current - Receiving
18.5mA
Current - Transmitting
30mA
Data Interface
PCB, Surface Mount
Memory Size
8kB 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
8 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
336-1868-5
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
SI1015-A-GM
Manufacturer:
Silicon Labs
Quantity:
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Part Number:
SI1015-A-GM
Manufacturer:
SILICONLA
Quantity:
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20.2.7. SmaRTClock Oscillator Crystal Valid Detector
The SmaRTClock oscillator crystal valid detector is an oscillation amplitude detector circuit used during
crystal startup to determine when oscillation has started and is nearly stable. The output of this detector
can be read from the CLKVLD bit (RTX0XCN.4).
Notes:
20.3. SmaRTClock Timer and Alarm Function
The SmaRTClock timer is a 32-bit counter that, when running (RTC0TR = 1), is incremented every
SmaRTClock oscillator cycle. The timer has an alarm function that can be set to generate an interrupt,
wake the device from a low power mode, or reset the device at a specific time. See Section “12. Interrupt
Handler” on page 134, Section “14. Power Management” on page 157, and Section “18. Reset Sources”
on page 185 for more information.
The SmaRTClock timer includes an Auto Reset feature, which automatically resets the timer to zero one
SmaRTClock cycle after an alarm occurs. When using Auto Reset, the Alarm match value should always
be set to 1 count less than the desired match value. Auto Reset can be enabled by writing a 1 to ALRM
(RTC0CN.2).
20.3.1. Setting and Reading the SmaRTClock Timer Value
The 32-bit SmaRTClock timer can be set or read using the six CAPTUREn internal registers. Note that the
timer does not need to be stopped before reading or setting its value. The following steps can be used to
set the timer value:
1. Write the desired 32-bit set value to the CAPTUREn registers.
2. Write 1 to RTC0SET. This will transfer the contents of the CAPTUREn registers to the SmaRTClock
3. Operation is complete when RTC0SET is cleared to 0 by hardware.
The following steps can be used to read the current timer value:
1. Write 1 to RTC0CAP. This will transfer the contents of the timer to the CAPTUREn registers.
2. Poll RTC0CAP until it is cleared to 0 by hardware.
3. A snapshot of the timer value can be read from the CAPTUREn registers
20.3.2. Setting a SmaRTClock Alarm
The SmaRTClock alarm function compares the 32-bit value of SmaRTClock Timer to the value of the
ALARMn registers. An alarm event is triggered if the SmaRTClock timer is equal to the ALARMn registers.
If Auto Reset is enabled, the 32-bit timer will be cleared to zero one SmaRTClock cycle after the alarm
event.
The SmaRTClock alarm event can be configured to reset the MCU, wake it up from a low power mode, or
generate an interrupt. See Section “12. Interrupt Handler” on page 134, Section “14. Power Management”
on page 157, and Section “18. Reset Sources” on page 185 for more information.
The following steps can be used to set up a SmaRTClock Alarm:
1. Disable SmaRTClock Alarm Events (RTC0AEN = 0).
2. Set the ALARMn registers to the desired value.
3. Enable SmaRTClock Alarm Events (RTC0AEN = 1).
The CLKVLD bit has a blanking interval of 2 ms. During the first 2 ms after turning on the crystal
oscillator, the output of CLKVLD is not valid.
This SmaRTClock crystal valid detector (CLKVLD) is not intended for detecting an oscillator failure. The missing
SmaRTClock detector (CLKFAIL) should be used for this purpose
timer.
Rev. 1.0
.
Si1010/1/2/3/4/5
213
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