Rev. 1.0 2/11
Copyright © 2011 by Silicon Laboratories
Si4010
S i 4 0 1 0 - C 2
C
R Y S TA L
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L E S S
S
O
C R F T
R A N S M I T T E R
Features
Applications
Description
The Si4010 is a fully integrated crystal-less CMOS SoC RF transmitter with an
embedded CIP-51 8051 MCU. The device can operate over the –40 to 85 °C
temperature range without requiring an external crystal reference source reducing
board area and BOM cost. The device includes an 8 kB non volatile memory block
for programming the user's application along with a 12 kB ROM of embedded
support code for use in the user's application. The Si4010 includes Silicon
Laboratories' 2-wire C2 Debug and Programming interface, which allows
customers to download their code during the development stage into the on-board
RAM for testing and debug prior to programming the NVM.
The Si4010 is designed for low power battery applications with standby currents of
less than 10 nA to optimize battery life and features automatic wake on button
press support to efficiently move from the standby to active mode state with
minimal customer code support. Built in AES-128 hardware encryption along with
a 128-bit EEPROM can be used to create robust data encryption of the
transmitted packets. A unique 4-byte serial number is programmed into each
device ensuring non-overlapping device identifiers.
The RF transmitter features a high efficiency PA capable of delivering output
power up to +10 dBm and includes an automatic antenna tuning algorithm. This
algorithm adjusts the antenna tuning at the start of each packet transmission for
optimal output power minimizing the impact of antenna impedance changes due
to the remote being held in a user hand. The devices supports FSK and OOK
modulations and includes automatic output power shaping to reduce spectral
spreading and ease regulatory compliance. The output frequency can be adjusted
via software over the entire 27 to 960 MHz range. The output data rate is software
adjustable up to a maximum rate of 100 kbps.
Crystal-less operation
Optional crystal oscillator input
High-Speed 8051 µC Core
Pipeline instruction architecture
70% of instructions in 1 or 2 clocks
Up to 24 MIPs with 24 MHz clock
4 kB RAM/8kB NVM
128 bit EEPROM
256 byte of internal data RAM
12 kB ROM embedded functions
8 byte low leakage RAM
Extensive Digital Peripherals
128 bit AES accelerator
5/9 GPIO with wakeup functionality
LED driver
Data serializer
High-speed frequency counter
On-chip debugging: C2
Unique 4 byte serial number
Ultra low-power sleep timer
Single Coin-Cell Battery Operation
Supply voltage: 1.8 to 3.6 V
Standby current < 10 nA
High-performance RF transmitter
Frequency range: 27–960 MHz
+10 dBm output power,
adjustable
Automatic antenna tuning
Symbol rate up to 100 kbps
FSK/OOK modulation
Manchester, NRZ, 4/5 encoder
Analog Peripherals
LDO regulator with POR circuit
Battery voltage monitor
Temperature range –40 to +85 °C
Automotive quality option,
AEC-Q100 (Pending final
qualification testing)
10-pin MSOP/14-pin SOIC
Garage and gate door openers
Remote keyless entry
Home automation and security
Wireless remote controls
Patents pending
Ordering Information:
See page 15.
Pin Assignments
GPIO0/XTAL
Si4010-GT
2
3
6
7
8
4
5
9 GPIO2
GPIO3
GPIO4
LED
VDD
TXP
GND
TXM
1
10 GPIO1
Si4010-GS
3
4
9
10
11
5
6
12 GPIO2
GPIO3
C2DAT/GPIO4
C2CLK/LED
VDD
VPP/GPIO0/XTAL
TXP
GND
TXM
2
13 GPIO1
GPIO9 1
14 GPIO8
8
7
GPIO6
GPIO7
14-Pin SOIC
10-Pin MSOP
