SI1012-A-GM Silicon Laboratories Inc, SI1012-A-GM Datasheet - Page 111
![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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7.6. Comparator0 and Comparator1 Analog Multiplexers
Comparator0 and Comparator1 on Si1010/1/2/3/4/5 devices have analog input multiplexers to connect
Port I/O pins and internal signals the comparator inputs; CP0+/CP0– are the positive and negative input
multiplexers for Comparator0 and CP1+/CP1- are the positive and negative input multiplexers for
Comparator1.
The comparator input multiplexers directly support capacitive touch switches. When the Capacitive Touch
Sense Compare input is selected on the positive or negative multiplexer, any Port I/O pin connected to the
other multiplexer can be directly connected to a capacitive touch switch with no additional external compo-
nents. The Capacitive Touch Sense Compare provides the appropriate reference level for detecting when
the capacitive touch switches have charged or discharged through the on-chip Rsense resistor. The Com-
parator outputs can be routed to Timer2 or Timer3 for capturing sense capacitor’s charge and discharge
time. See Section “27. Timers” on page 338 for details. See Application Note AN338 for details on Capaci-
tive Touch Switch sensing.
Any of the following may be selected as comparator inputs: Port I/O pins, Capacitive Touch Sense Com-
pare, VDD/DC+ Supply Voltage, Regulated Digital Supply Voltage (Output of VREG0), the VBAT Supply
voltage or ground. The Comparator’s supply voltage divided by 2 is also available as an input; the resistors
used to divide the voltage only draw current when this setting is selected. The Comparator input multiplex-
ers are configured using the CPT0MX and CPT1MX registers described in SFR Definition 7.5 and SFR
Definition 7.6.
Important Note About Comparator Input Configuration: Port pins selected as comparator inputs should
be configured as analog inputs, and should be skipped by the Digital Crossbar. To configure a Port pin for
analog input, set to 0 the corresponding bit in register PnMDIN and disable the digital driver (PnMDOUT =
0 and Port Latch = 1). To force the Crossbar to skip a Port pin, set to 1 the corresponding bit in register
PnSKIP. See Section “21. Port Input/Output” on page 219 for more Port I/O configuration details.
VDD_MCU
VDD_MCU
R
R
R
R
(1/3 or 2/3) x VDD_MCU
CPnOUT
Digital Supply
R
½ x VDD_MCU
P0.1
P0.3
P0.5
P0.7
P1.5
Capacitive
Compare
GND
Touch
Sense
Figure 7.4. CPn Multiplexer Block Diagram
CPn-
Input
MUX
CPnOUT
Rsense
Only enabled when
Capacitive Touch
Sense Compare is
selected on CPn+
Input MUX.
VDD_MCU
VDD_MCU
Rev. 1.0
R
R
R
R
(1/3 or 2/3) x VDD_MCU
CPnOUT
VDD_MCU
R
½ x VDD_MCU
P0.0
P0.2
P0.4
P0.6
P1.4
P1.6
VBAT
Capacitive
Compare
Sense
Touch
CPTnMX
Si1010/1/2/3/4/5
CPn+
Input
MUX
CPnOUT
Rsense
Only enabled when
Capacitive Touch
Sense Compare is
selected on CPn-
Input MUX.
+
-
VDD_MCU
GND
111
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