SI1010-A-GM Silicon Laboratories Inc, SI1010-A-GM Datasheet - Page 312
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
24.5.4. Read Sequence (Slave)
During a read sequence, an SMBus master reads data from a slave device. The slave in this transfer will
be a receiver during the address byte, and a transmitter during all data bytes. When slave events are
enabled (INH = 0), the interface enters Slave Receiver Mode (to receive the slave address) when a START
followed by a slave address and direction bit (READ in this case) is received. If hardware ACK generation
is disabled, upon entering Slave Receiver Mode, an interrupt is generated and the ACKRQ bit is set. The
software must respond to the received slave address with an ACK, or ignore the received slave address
with a NACK. If hardware ACK generation is enabled, the hardware will apply the ACK for a slave address
which matches the criteria set up by SMB0ADR and SMB0ADM. The interrupt will occur after the ACK
cycle.
If the received slave address is ignored (by software or hardware), slave interrupts will be inhibited until the
next START is detected. If the received slave address is acknowledged, zero or more data bytes are trans-
mitted. If the received slave address is acknowledged, data should be written to SMB0DAT to be transmit-
ted. The interface enters Slave Transmitter Mode, and transmits one or more bytes of data. After each byte
is transmitted, the master sends an acknowledge bit; if the acknowledge bit is an ACK, SMB0DAT should
be written with the next data byte. If the acknowledge bit is a NACK, SMB0DAT should not be written to
before SI is cleared (Note: an error condition may be generated if SMB0DAT is written following a received
NACK while in Slave Transmitter Mode). The interface exits Slave Transmitter Mode after receiving a
STOP. Note that the interface will switch to Slave Receiver Mode if SMB0DAT is not written following a
Slave Transmitter interrupt. Figure 24.8 shows a typical slave read sequence. Two transmitted data bytes
are shown, though any number of bytes may be transmitted. Notice that all of the ‘data byte transferred’
interrupts occur after the ACK cycle in this mode, regardless of whether hardware ACK generation is
enabled.
312
S
Received by SMBus
Interface
Transmitted by
SMBus Interface
SLA
Figure 24.7. Typical Slave Write Sequence
W
A
Interrupts with Hardware ACK Disabled (EHACK = 0)
Interrupts with Hardware ACK Enabled (EHACK = 1)
Data Byte
Rev. 1.0
A
S = START
P = STOP
A = ACK
W = WRITE
SLA = Slave Address
Data Byte
A
P
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