C8051F589-IMR Silicon Labs, C8051F589-IMR Datasheet - Page 101
![no-image](/images/no-image-200.jpg)
C8051F589-IMR
Manufacturer Part Number
C8051F589-IMR
Description
8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
Manufacturer
Silicon Labs
Datasheet
1.C8051F585-IQR.pdf
(356 pages)
Specifications of C8051F589-IMR
Rohs
yes
Core
8051
Data Bus Width
8 bit
Processor Series
C8051
- Current page: 101 of 356
- Download datasheet (3Mb)
11.4. Serial Number Special Function Registers (SFRs)
The C8051F58x/F59x devices include four SFRs, SN0 through SN3, that are pre-programmed during pro-
duction with a unique, 32-bit serial number. The serial number provides a unique identification number for
each device and can be read from the application firmware. If the serial number is not used in the applica-
tion, these four registers can be used as general purpose SFRs.
SFR Definition 11.7. SNn: Serial Number n
SFR Addresses: SN0 = 0xF9; SN1 = 0xFA; SN2 = 0xFB; SN3 = 0xFC; SFR Page = 0x0F;
Name
Reset
Bit
7:0
Type
Bit
SERNUMn[7:0] Serial Number Bits.
Name
7
The four serial number registers form a 32-bit serial number, with SN3 as the
most significant byte and SN0 as the least significant byte.
6
5
Varies—Unique 32-bit value
Rev. 1.2
SERNUMn[7:0]
4
R/W
Function
3
C8051F58x/F59x
2
1
0
101
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