NXP Semiconductors QorIQ LS1043ARDB - TDM Riser Card Presence Detection Register; RTC Clock Assignment Register

6.1.15 TDM riser card presence detection register
(CPLD_TDMR_PRS_N)
Use this register to indicate whether or not a TDM riser card is present on the
LS1043ARDB board.
Address: 0h base + Fh offset = Fh
Bit 0 1 2 3 4 5 6 7
Read
TDMR_
PRS_N
Reserved
Write
Reset
0 0 0 0 0 0 0 1
CPLD_TDMR_PRS_N field descriptions
Field Description
0
TDMR_PRS_N
TDM riser card presence detection
0 TDM riser card is present
1 TDM riser card is not present (default value)
1–7
-
This field is reserved.
6.1.16 RTC clock assignment register (CPLD_REG_RTC)
Use this register to indicate if the RTC clock is assigned to RTC.
Address:
0h base + 10h offset = 10h
Bit 0 1 2 3 4 5 6 7
Read
RTC_CLK_
ASSGNMT
Reserved
Write
Reset
0 0 0 0 0 0 0 0
CPLD_REG_RTC field descriptions
Field Description
0
RTC_CLK_
ASSGNMT
RTC clock assignment to RTC (only assert from LS1043ARDB Rev. B board)
0 Reserved (default value)
1 To RTC
Table continues on the next page...
Chapter 6 CPLD Programming
QorIQ LS1043A Reference Design Board Reference Manual, Rev. 4, 11/2017
NXP Semiconductors 61