SI1014-A-GM Silicon Laboratories Inc, SI1014-A-GM Datasheet - Page 102
SI1014-A-GM
Manufacturer Part Number
SI1014-A-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1014-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
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
336-1869-5
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI1014-A-GM
Manufacturer:
Silicon Laboratories Inc
Quantity:
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Si1010/1/2/3/4/5
6. Programmable Current Reference (IREF0)
Si1010/1/2/3/4/5 devices include an on-chip programmable current reference (source or sink) with two out-
put current settings: Low Power Mode and High Current Mode. The maximum current output in Low Power
Mode is 63 µA (1 µA steps) and the maximum current output in High Current Mode is 504 µA (8 µA steps).
The current source/sink is controlled though the IREF0CN special function register. It is enabled by setting
the desired output current to a non-zero value. It is disabled by writing 0x00 to IREF0CN. The port I/O pin
associated with ISRC0 should be configured as an analog input and skipped in the Crossbar. See Section
“21. Port Input/Output” on page 219 for more details.
SFR Definition 6.1. IREF0CN: Current Reference Control
SFR Page = 0x0; SFR Address = 0xB9
6.1. PWM Enhanced Mode
On ‘F912 and ‘F902 devices, the precision of the current reference can be increased by fine tuning the
IREF0 output using a PWM signal generated by the PCA. This mode allows the IREF0DAT bits to perform
a course adjustment on the IREF0 output. Any available PCA channel can perform a fine adjustment on
the IREF0 output. When enabled (PWMEN = 1), the CEX signal selected using the PWMSS bit field is
internally routed to IREF0 to control the on time of a current source having the weight of 2 LSBs. With the
two least significant bits of IREF0DAT set to 00b, applying a 100% duty cycle on the CEX signal will be
equivalent to setting the two LSBs of IREF0DAT to 10b. PWM enhanced mode is enabled and setup using
the IREF0CF register.
102
Name
Reset
Type
Bit
5:0
7
6
Bit
IREF0DAT[5:0] IREF0 Data Word.
MDSEL
SINK
R/W
Name
SINK
7
0
MODE
R/W
IREF0 Current Sink Enable.
Selects if IREF0 is a current source or a current sink.
0: IREF0 is a current source.
1: IREF0 is a current sink.
IREF0 Output Mode Select.
Selects Low Power or High Current Mode.
0: Low Power Mode is selected (step size = 1 µA).
1: High Current Mode is selected (step size = 8 µA).
Specifies the number of steps required to achieve the desired output current.
Output current = direction x step size x IREF0DAT.
IREF0 is in a low power state when IREF0DAT is set to 0x00.
6
0
5
0
Rev. 1.0
4
0
Function
3
0
IREF0DAT
R/W
2
0
1
0
0
0
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