SI1000-C-GM Silicon Laboratories Inc, SI1000-C-GM Datasheet - Page 267
![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
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Part Number
Manufacturer
Quantity
Price
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Part Number:
SI1000-C-GM
Manufacturer:
FSC
Quantity:
1 000
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amble detection threshold. A shorter Preamble Detection Threshold may be chosen if occasional false
detections may be tolerated. When antenna diversity is enabled a 20-bit preamble detection threshold is
recommended. When the receiver is synchronously enabled just before the start of the packet, a shorter
preamble detection threshold may be used. Table 23.5 demonstrates the recommended preamble detec-
tion threshold and preamble length for various modes.
It is possible to use the transceiver in a raw mode without the requirement for a 010101... preamble. Con-
tact customer support for further details.
Note: The recommended preamble length and preamble detection threshold listed above are to achieve 0% PER.
23.6.8. Invalid Preamble Detector
When scanning channels in a frequency hopping system it is desirable to determine if a channel is valid in
the minimum amount of time. The preamble detector can output an invalid preamble detect signal. which
can be used to identify the channel as invalid. After a configurable time set in Register 60h[7:4], an invalid
preamble detect signal is asserted indicating an invalid channel. The period for evaluating the signal for
invalid preamble is defined as (inv_pre_th[3:0] x 4) x Bit Rate Period. The preamble detect and invalid pre-
amble detect signals are available in "Register 03h. Interrupt/Status 1" and “Register 04h. Interrupt/Status
2.”
23.6.9. Synchronization Word Configuration
The synchronization word length for both TX and RX can be configured in Reg 33h, synclen[1:0]. The
expected or transmitted sync word can be configured from 1 to 4 bytes as defined below:
The sync is transmitted or expected in the following sequence: sync 3sync 2sync 1sync 0. The sync
word values can be programmed in Registers 36h–39h. After preamble detection the part will search for
sync for a fixed period of time. If a sync is not recognized in this period then a timeout will occur and the
search for preamble will be re-initiated. The timeout period after preamble detections is defined as the
value programmed into the sync word length plus four additional bits.
+Antenna Diversity Enabled
+Antenna Diversity Enabled
OOK + Antenna Diversity
synclen[1:0] = 00—Expected/Transmitted Synchronization Word (sync word) 3.
synclen[1:0] = 01—Expected/Transmitted Synchronization Word 3 first, followed by sync word 2.
synclen[1:0] = 10—Expected/Transmitted Synchronization Word 3 first, followed by sync word 2,
followed by sync word 1.
synclen[1:0] = 1—Send/Expect Synchronization Word 3 first, followed by sync word 2, followed by sync
word 1, followed by sync word 0.
(G)FSK AFC Disabled
(G)FSK AFC Disabled
(G)FSK AFC Enabled
(G)FSK AFC Enabled
They may be shortened when occasional packet errors are tolerable.
Enabled
Mode
OOK
Table 23.5. Minimum Receiver Settling Time
Settling Time
Approximate
Receiver
1 byte
2 byte
1 byte
2 byte
2 byte
8 byte
Rev. 1.0
Recommended Preamble
Detection Threshold
Length with 8-Bit
20 bits
28 bits
3 byte
—
—
—
Si1000/1/2/3/4/5
Recommended Preamble
Detection Threshold
Length with 20-Bit
32 bits
40 bits
64 bits
8 byte
4 byte
8 byte
267
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