Information
12.2.7 System Device Identification Register (SIM_SDID)
Address: 4004_7000h base + 1024h offset = 4004_8024h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x*
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
REVID 0 0 0 0 1 FAMID PINID
W
Reset
x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x*
* Notes:
x = Undefined at reset.•
SIM_SDID field descriptions
Field Description
31–16
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
15–12
REVID
Device revision number
Specifies the silicon implementation number for the device.
11
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
10
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
9
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
8
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
7
Reserved
This field is reserved.
This read-only field is reserved and always has the value 1.
6–4
FAMID
Kinetis family identification
Specifies the Kinetis family of the device.
000 K10
001 K20
010 K30
011 K40
100 Reserved
101 Reserved
110 K50
111 K51
Table continues on the next page...
Memory map and register definition
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
266
Preliminary
Freescale Semiconductor, Inc.
General Business Information
