Motorola MVME1X7P manual TOD Clock Memory Map, Address Data Bits Function

Models: MVME1X7P

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Memory Maps

Table 1-13. BBRAM Configuration Area Memory Map

Address Range

Description

Size

 

 

(Bytes)

 

 

 

$FFFC1F4E - $FFFC1F55

Mezz. Board 2 PWB

8

 

 

 

$FFFC1F56 - $FFFC1F5D

Mezz. Board 2 Serial Number

8

 

 

 

$FFFC1F5E - $FFFC1FF6

Reserved

153

 

 

 

$FFFC1FF7

Checksum

1

 

 

 

Table 1-14. TOD Clock Memory Map

Address

 

 

 

Data Bits

 

 

 

Function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

D

D

D

D

 

D

D

D

 

 

 

7

6

5

4

3

 

2

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

$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

 

 

 

 

 

 

 

 

 

 

 

 

Notes W = Write Bit R = Read Bit S = Sign Bit ST = Stop Bit

FT = Frequency Test x = Must be set to 0

The data structure of the configuration bytes starts at $FFFC1EF8 and is as follows.

1

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Motorola MVME1X7P manual TOD Clock Memory Map, Address Data Bits Function