SI1010-A-GM Silicon Laboratories Inc, SI1010-A-GM Datasheet - Page 356
![IC TXRX MCU + EZRADIOPRO](/photos/14/21/142131/42-qfn-series_sml.jpg)
SI1010-A-GM
Manufacturer Part Number
SI1010-A-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1010-A-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
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
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 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
336-1874-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI1010-A-GM
Manufacturer:
Silicon Laboratories Inc
Quantity:
135
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Si1010/1/2/3/4/5
27.3.3. Comparator 1/External Oscillator Capture Mode
The Capture Mode in Timer 3 allows either Comparator 1 or the external oscillator period to be measured
against the system clock or the system clock divided by 12. Comparator 1 and the external oscillator
period can also be compared against each other.
Setting TF3CEN to 1 enables the Comparator 1/External Oscillator Capture Mode for Timer 3. In this
mode, T3SPLIT should be set to 0, as the full 16-bit timer is used.
When Capture Mode is enabled, a capture event will be generated either every Comparator 1 rising edge
or every 8 external clock cycles, depending on the T3XCLK1 setting. When the capture event occurs, the
contents of Timer 3 (TMR3H:TMR3L) are loaded into the Timer 3 reload registers (TMR3RLH:TMR3RLL)
and the TF3H flag is set (triggering an interrupt if Timer 3 interrupts are enabled). By recording the differ-
ence between two successive timer capture values, the Comparator 1 or external clock period can be
determined with respect to the Timer 3 clock. The Timer 3 clock should be much faster than the capture
clock to achieve an accurate reading.
For example, if T3ML = 1b, T3XCLK1 = 0b, and TF3CEN = 1b, Timer 3 will clock every SYSCLK and cap-
ture every Comparator 1 rising edge. If SYSCLK is 24.5 MHz and the difference between two successive
captures is 350 counts, then the Comparator 1 period is:
350 x (1 / 24.5 MHz) = 14.2 µs.
This mode allows software to determine the exact frequency of the external oscillator in C and RC mode or
the time between consecutive Comparator 0 rising edges, which is useful for detecting changes in the
capacitance of a Touch Sense Switch.
356
E xternal C lock / 8
E xtern al C lock / 8
C om parato r 1
S Y S C LK / 1 2
C om p arator 1
S Y S C LK
T 3X C LK [1:0]
T 3X C LK 1
X 0
01
11
0
1
Figure 27.9. Timer 3 Capture Mode Block Diagram
M
H
T
3
M
0
1
T
3
L
C K C O N
M
T
2
H
M
T
2
L
M
T
1
T F 3 C E N
M
T
0
S
C
A
1
T R 3
S
C
A
0
Rev. 1.0
C apture
T C LK
T M R 3R L L T M R 3 R LH
T M R 3 L
T M R 3H
T 3 X C L K 1
T 3 X C L K 0
T F 3C E N
T 3S P LIT
T F 3 L E N
T F 3H
T F 3L
T R 3
Inte rrupt
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