Information

SIM_SOPT7 field descriptions (continued)
Field Description
1101 RTC seconds
1110 Low-power timer trigger
1011 Unused
12.2.7 System Device Identification Register (SIM_SDID)
Address: SIM_SDID is 4004_7000h base + 1024h offset = 4004_8024h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0 REVID 0 0 1 0 FAMID PINID
W
Reset
x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* 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 read-only field is reserved and always has the value zero.
15–12
REVID
Device revision number
Specifies the silicon implementation number for the device.
11–10
Reserved
This read-only field is reserved and always has the value zero.
9
Reserved
This read-only field is reserved and always has the value zero.
8
Reserved
This read-only field is reserved and always has the value one.
7
Reserved
This read-only field is reserved and always has the value zero.
6–4
FAMID
Kinetis family identification
Specifies the Kinetis family of the device.
000 K10
001 K20
010 K30
011 K40
100 K60
101 K70
110 K50 and K52
111 K51 and K53
Table continues on the next page...
Chapter 12 System integration module (SIM)
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 271