Table 1-17. Tod Clock Memory Map - Motorola MVME172 Programmer's Reference Manual

Board Description and Memory Maps
1
Table 1-16. BBRAM Configuration Area Memory Map (Continued)
1-42
Address Range
$FFFC1FD6 - $FFFC1FDD
4FFFC1FDE - $FFFC1FE5
$FFFC1FE6 - $FFFC1FF6
$FFFC1FF7
Note
IP_c and IP_d are not used on 200/300-Series MVME172
modules.

Table 1-17. TOD Clock Memory Map

Address
D7 D6 D5 D4 D3 D2 D1 D0
$FFFC1FF8 W
$FFFC1FF9 ST
$FFFC1FFA x
$FFFC1FFB x
$FFFC1FFC x
$FFFC1FFD x
$FFFC1FFE x
$FFFC1FFF --
Notes W = Write Bit
R = Read Bit
S = Signbit
ST = Stop Bit
FT = Frequency Test
x = Must be set to 0
Description
IP_d Board Serial Number
IP_d Board PWB
Reserved
Checksum
Data Bits
R S Calibration
-- -- -- -- --
-- -- -- -- --
x -- -- -- --
FT x x x --
x -- -- -- --
x x -- -- --
-- -- -- -- --
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Size (Bytes)
8
8
65
1
Function
Control
-- -- Seconds
-- -- Minutes
-- -- Hour
-- -- Day
-- -- Date
-- -- Month
-- -- Year
00
00
00
01
01
01
00