SI1000-C-GM Silicon Laboratories Inc, SI1000-C-GM Datasheet - Page 273
![IC TXRX MCU + EZRADIOPRO](/photos/14/21/142131/42-qfn-series_sml.jpg)
SI1000-C-GM
Manufacturer Part Number
SI1000-C-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1000-C-GM
Package / Case
42-QFN
Frequency
240MHz ~ 960MHz
Data Rate - Maximum
256kbps
Modulation Or Protocol
FSK, GFSK, OOK
Applications
General Purpose
Power - Output
20dBm
Sensitivity
-121dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
18.5mA
Current - Transmitting
85mA
Data Interface
PCB, Surface Mount
Memory Size
64kB Flash, 4kB 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
20 dBm
Operating Supply Voltage
0.9 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
4.1 mA
Minimum Operating Temperature
- 40 C
Modulation
FSK, GFSK, OOK
Protocol Supported
C2, SMBus
Core
8051
Program Memory Type
Flash
Program Memory Size
64 KB
Data Ram Size
4352 B
Supply Current (max)
4.1 mA
Cpu Family
Si100x
Device Core
8051
Device Core Size
8b
Frequency (max)
25MHz
Total Internal Ram Size
4.25KB
# I/os (max)
22
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
2.5/3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
1.8V
On-chip Adc
18-chx10-bit
Instruction Set Architecture
CISC
Mounting
Surface Mount
Pin Count
42
Package Type
QFN EP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1881-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI1000-C-GM
Manufacturer:
FSC
Quantity:
1 000
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The slope of the temperature sensor is very linear and monotonic. For absolute accuracy better than 10 °C
calibration is necessary. The temperature sensor may be calibrated by setting entsoffs = 1 in “Register
12h. Temperature Sensor Control” and setting the offset with the tvoffs[7:0] bits in “Register 13h. Tempera-
ture Value Offset.” This method adds a positive offset digitally to the ADC value that is read in “Register
11h. ADC Value.” The other method of calibration is to use the tstrim which compensates the analog cir-
cuit. This is done by setting entstrim = 1 and using the tstrim[2:0] bits to offset the temperature in “Register
12h. Temperature Sensor Control.” With this method of calibration, a negative offset may be achieved.
With both methods of calibration better than ±3 °C absolute accuracy may be achieved.
The different ranges for the temperature sensor and ADC8 are demonstrated in Figure 23.22. The value of
the ADC8 may be translated to a temperature reading by ADC8Value x ADC8 LSB + Lowest Temperature
in Temp Range. For instance for a tsrange = 00, Temp = ADC8Value x 0.5 – 64.
Add
Note: Absolute temperature mode, no temperature shift. This mode is only for test purposes. POR value of
12
13
entoff
0*
1
1
1
1
R/W
R/W Temperature Value
EN_TOFF is 1.
R/
W
Sensor Control
tsrange[1]
Description
Temperature
Function/
Offset
0
0
1
1
1
Table 23.7. Temperature Sensor Range
tsrange[0]
tsrange[1]
tvoffs[7]
D7
0
1
0
1
0
tsrange[0]
tvoffs[6]
D6
Temp. range
–64 … 192
–40 … 216
–64 … 64
0 … 128
0 … 341
Rev. 1.0
entsoffs
tvoffs[5]
D5
entstrim
tvoffs[4]
D4
Unit
°C
°C
°C
°F
°K
tstrim[3]
tvoffs[3]
D3
Si1000/1/2/3/4/5
8 mV/°C
4 mV/°C
8 mV/°C
3 mV/°K
4 mV/°F
tstrim[2]
tvoffs[2]
Slope
D2
vbgtrim[1] vbgtrim[0]
tvoffs[1]
D1
tvoffs[0]
ADC8 LSB
D0
1.333 °K
0.5 °C
0.5 °C
1 °C
1 °F
POR
Def.
20h
00h
273
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