Sharp MZ-3500 Manual do Utilizador descarregar pdf (Página 75)

MZ3500

3) a^PD1990AC

Block diagram

-O DOU'l

-<3 ri>

Command specification

C2

Cl CO

Command Description

DOUT Data Shift

Note

0 0

0 Register hold

Holds 40-bit S/R

1Hz

Not possible Data retention

0

0

1 Register shift Data input/output

[LSB] Output of LSB Possible

Shifts in synchronization

with the dock

0

1 0

Time set

Data of the 40-bit S/R is

preset to the time counter.

(LSB) Output Not possible

0

1 1

Time read

Data in the time counter

is read to the 40-bit S/R.

[LSB] Output

Not possible

Input/output format

Example; In the case of 10 o'clock, 25 minutes, 49 seconds, July 30th.

(LSB)

(MSB)

1

^ Seconds —^ ^Minutes—^ ^ ^Houre J ^ ^—Day —^ ‘-Month

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1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 115 116

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