SI1000-C-GM Silicon Laboratories Inc, SI1000-C-GM Datasheet - Page 182
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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Si1000/1/2/3/4/5
19. Clocking Sources
Si1000/1/2/3/4/5 devices include a programmable precision internal oscillator, an external oscillator drive
circuit, a low power internal oscillator, and a SmaRTClock real time clock oscillator. The precision internal
oscillator can be enabled/disabled and calibrated using the OSCICN and OSCICL registers, as shown in
Figure 19.1. The external oscillator can be configured using the OSCXCN register. The low power internal
oscillator is automatically enabled and disabled when selected and deselected as a clock source. SmaRT-
Clock operation is described in the SmaRTClock oscillator chapter.
The system clock (SYSCLK) can be derived from the precision internal oscillator, external oscillator, low
power internal oscillator, or SmaRTClock oscillator. The global clock divider can generate a system clock
that is 1, 2, 4, 8, 16, 32, 64, or 128 times slower that the selected input clock source. Oscillator electrical
specifications can be found in the Electrical Specifications Chapter.
The proper way of changing the system clock when both the clock source and the clock divide value are
being changed is as follows:
If switching from a fast “undivided” clock to a slower “undivided” clock:
1. Change the clock divide value.
2. Poll for CLKRDY > 1.
3. Change the clock source.
If switching from a slow “undivided” clock to a faster “undivided” clock:
1. Change the clock source.
2. Change the clock divide value.
3. Poll for CLKRDY > 1.
182
VDD
Option 2
XTAL2
Option 1
Option 4
10M
XTAL2
Option 3
XTAL2
XTAL1
XTAL2
Figure 19.1. Clocking Sources Block Diagram
OSCICL
Internal Oscillator
Drive Circuit
Oscillator
Precision
External
OSCXCN
EN
OSCICN
Internal Oscillator
Low Power
Rev. 1.0
Low Power Internal Oscillator
Precision Internal Oscillator
smaRTClock
Oscillator
smaRTClock Oscillator
External Oscillator
CLKSEL
Clock Divider
n
CLKRDY
SYSCLK
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