1.5. Dual-Port RAM Interface
n
RTC: Real Time Clock (Restored at Power-on)
n
NV: Non Volatile (Restored at Power-on)
Command 0x10: Set TFP Timing Mode
This command selects the timing mode of the TFP.
Byte
Type
Item
Value or Range
0
UINT8
ID
0x10
1
UINT8
Timing Mode
See Below
TFP Timing Mode:
n
0x00 Time Code (Selected Time Code AM or DCLS)
n
0x01 Free Running (Internal or External 10 MHz Reference Selected)
n
0x02 1 PPS (External One Pulse Per Second)
n
0x03 Real Time Clock (Battery backed RTC)
n
0x06 GPS (bc637 only)
Command 0x11: Set Time Register Format
This command allows the user to select the major time format. Available time formats are Binary
Coded Decimal (BCD) and UNIX (Binary). The time format affects the TIMEx, and EVENTx registers
and Command 0x12. See Table 1 and Table 2 for the UNIX and BCD time register definitions, respec-
tively.
Byte Type
Item
Value or Range
0
UINT8
ID
0x11
1
UINT8
Data Format
See Below
Time Data Format:
n
0x00 BCD TIME FORMAT
n
0x01 UNIX TIME FORMAT (default)
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