Table 1-17. tod clock memory map -42, Table 1-17, Table – Motorola MVME172 User Manual

Page 60

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1-42

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Board Description and Memory Maps

1

Note

IP_c and IP_d are not used on 200/300-Series MVME172
modules.

Notes

W = Write Bit
R = Read Bit
S = Signbit
ST = Stop Bit
FT = Frequency Test
x = Must be set to 0

$FFFC1FD6 - $FFFC1FDD

IP_d Board Serial Number

8

4FFFC1FDE - $FFFC1FE5

IP_d Board PWB

8

$FFFC1FE6 - $FFFC1FF6

Reserved

65

$FFFC1FF7

Checksum

1

Table 1-17. TOD Clock Memory Map

Address

Data Bits

Function

D7

D6

D5

D4

D3

D2

D1

D0

$FFFC1FF8

W

R

S

Calibration

Control

$FFFC1FF9

ST

--

--

--

--

--

--

--

Seconds

00

$FFFC1FFA

x

--

--

--

--

--

--

--

Minutes

00

$FFFC1FFB

x

x

--

--

--

--

--

--

Hour

00

$FFFC1FFC

x

FT

x

x

x

--

--

--

Day

01

$FFFC1FFD

x

x

--

--

--

--

--

--

Date

01

$FFFC1FFE

x

x

x

--

--

--

--

--

Month

01

$FFFC1FFF

--

--

--

--

--

--

--

--

Year

00

Table 1-16. BBRAM Configuration Area Memory Map (Continued)

Address Range

Description

Size (Bytes)

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