C8051F986-GUR Silicon Labs, C8051F986-GUR Datasheet - Page 153
C8051F986-GUR
Manufacturer Part Number
C8051F986-GUR
Description
8-bit Microcontrollers - MCU 8kB 512B RAM 12b ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F986-GUR.pdf
(322 pages)
Specifications of C8051F986-GUR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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14.4. Determining the Device Part Number at Run Time
In many applications, user software may need to determine the MCU part number at run time in order to
determine the hardware capabilities. The part number can be determined by reading the value of the
DEVICEID Special Function Register.
The value of the DEVICEID register can be decoded as follows:
0xD0—C8051F990
0xD1—C8051F991
0xD6—C8051F996
0xD2—C8051F997
0xD3—C8051F980
0xD4—C8051F981
0xD5—C8051F982
0xD7—C8051F983
0xD8—C8051F985
0xD9—C8051F986
0xDA—C8051F987
0xDB—C8051F988
0xDC—C8051F989
SFR Definition 14.1. DEVICEID: Device Identification
SFR Page = 0xF; SFR Address = 0xE3
Name
Reset
Bit
7:0
Type
Bit
DEVICEID[7:0]
Name
7
0
6
0
Device Identification.
These bits contain a value that can be decoded to determine the device part
number.
5
0
Rev. 1.1
DEVICEID[7:0]
4
0
R/W
C8051F99x-C8051F98x
Function
3
0
2
0
1
0
0
0
153
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