SI1012-A-GM Silicon Laboratories Inc, SI1012-A-GM Datasheet - Page 124
![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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Si1010/1/2/3/4/5
9.1.1. MOVX Instruction and Program Memory
The MOVX instruction in an 8051 device is typically used to access external data memory. On the
Si1010/1/2/3/4/5 devices, the MOVX instruction is normally used to read and write on-chip XRAM, but can
be re-configured to write and erase on-chip Flash memory space. MOVC instructions are always used to
read Flash memory, while MOVX write instructions are used to erase and write Flash. This Flash access
feature provides a mechanism for the Si1010/1/2/3/4/5 to update program code and use the program
memory space for non-volatile data storage. Refer to Section “13. Flash Memory” on page 146 for further
details.
9.2. Data Memory
The Si1010/1/2/3/4/5 device family include 768 bytes of RAM data memory. 256 bytes of this memory is
mapped into the internal RAM space of the 8051. The remainder of this memory is on-chip “external” mem-
ory. The data memory map is shown in Figure 9.1 for reference.
9.2.1. Internal RAM
There are 256 bytes of internal RAM mapped into the data memory space from 0x00 through 0xFF. The
lower 128 bytes of data memory are used for general purpose registers and scratch pad memory. Either
direct or indirect addressing may be used to access the lower 128 bytes of data memory. Locations 0x00
through 0x1F are addressable as four banks of general purpose registers, each bank consisting of eight
byte-wide registers. The next 16 bytes, locations 0x20 through 0x2F, may either be addressed as bytes or
as 128 bit locations accessible with the direct addressing mode.
The upper 128 bytes of data memory are accessible only by indirect addressing. This region occupies the
same address space as the Special Function Registers (SFR) but is physically separate from the SFR
space. The addressing mode used by an instruction when accessing locations above 0x7F determines
whether the CPU accesses the upper 128 bytes of data memory space or the SFRs. Instructions that use
direct addressing will access the SFR space. Instructions using indirect addressing above 0x7F access the
upper 128 bytes of data memory. Figure 9.1 illustrates the data memory organization of the
Si1010/1/2/3/4/5.
124
(Data Only)
Scratchpad
Si1010/2/4
Si1011/3/5
(SFLE=1)
0x01FF
0x0000
Figure 9.2. Flash Program Memory Map
Flash Memory Space
Lock Byte Page
Reserved Area
Si1010/2/4
Lock Byte
(SFLE=0)
Rev. 1.0
0xFFFF
0x3C00
0x3BFF
0x3BFE
0x3A00
0x39FF
0x0000
Flash Memory Space
Lock Byte Page
Address Space
Unpopulated
Si1011/3/5
(Reserved)
(SFLE=0)
Lock Byte
0xFFFF
0x8000
0x1FFF
0x1FFE
0x1E00
0x1BFF
0x0000
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