Information

USBDCD_CONTROL field descriptions (continued)
Field Description
0 Disable interrupts to the system.
1 Enable interrupts to the system.
15–9
Reserved
This field is reserved.
8
IF
Interrupt Flag
Determines whether an interrupt is pending.
0 No interrupt is pending.
1 An interrupt is pending.
7–1
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
0
IACK
Interrupt Acknowledge
Determines whether the interrupt is cleared.
0 Do not clear the interrupt.
1 Clear the IF bit (interrupt flag).
43.4.2 Clock register (USBDCD_CLOCK)
Address: 4003_5000h base + 4h offset = 4003_5004h
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R
0
W
Reset
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
0
CLOCK_SPEED
0
CLOCK_UNIT
W
Reset
0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1
USBDCD_CLOCK field descriptions
Field Description
31–12
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
11–2
CLOCK_SPEED
Numerical Value of Clock Speed in Binary
Table continues on the next page...
Chapter 43 USB Device Charger Detection Module (USBDCD)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
1077
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