C8051F540-TB Silicon Laboratories Inc, C8051F540-TB Datasheet - Page 84
C8051F540-TB
Manufacturer Part Number
C8051F540-TB
Description
BOARD PROTOTYPE W/C8051F540
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F540-TB
Contents
Board
Processor To Be Evaluated
C8051F54x
Processor Series
C8051F54x
Interface Type
USB
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
C8051F54x
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1672
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C8051F54x
10.4. Serial Number Special Function Registers (SFRs)
The C8051F54x devices include four SFRs, SN0 through SN3, that are pre-programmed during production
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 application,
these four registers can be used as general purpose SFRs.
SFR Definition 10.7. SNn: Serial Number n
SFR Addresses: SN0 = 0xF9; SN1 = 0xFA; SN2 = 0xFB; SN3 = 0xFC; SFR Page = 0x0F;
84
Name
Reset
7:0
Bit
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. 1.1
SERNUMn[7:0]
4
R/W
Function
3
2
1
0
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