NXP Semiconductors K22F series, Reference Manual, Page: 277 / 1407

SIM_SDID field descriptions (continued)
Field Description
1011 Custom pinout (WLCSP)
1100 169-pin
1101 Reserved
1110 256-pin
1111 Reserved
12.2.9 System Clock Gating Control Register 4 (SIM_SCGC4)
Address: 4004_7000h base + 1034h offset = 4004_8034h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
1 0
VREF CMP
USBOTG
0
W
Reset 1 1 1 1 0 0 0 0 0 0 0 1 0 0 0 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0 0
UART2 UART1 UART0
0
I2C1 I2C0
1 0 0
EWM
0
W
Reset 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0
SIM_SCGC4 field descriptions
Field Description
31–28
Reserved
This field is reserved.
This read-only field is reserved and always has the value 1.
27–21
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
20
VREF
VREF Clock Gate Control
This bit controls the clock gate to the VREF module.
0 Clock disabled
1 Clock enabled
19
CMP
Comparator Clock Gate Control
This bit controls the clock gate to the comparator module.
0 Clock disabled
1 Clock enabled
18
USBOTG
USB Clock Gate Control
This bit controls the clock gate to the USB module.
Table continues on the next page...
Chapter 12 System Integration Module (SIM)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 277