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Bit pseudo mcl mode, Atar862-4, Figure 68 – Rainbow Electronics ATAR862-4 User Manual

Page 71: Figure 69

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71

ATAR862-4

4552B–4BMCU–02/03

Figure 68.

Example of MCL Transmit Dialog

Figure 69.

Example of MCL Receive Dialog

8-bit Pseudo MCL Mode

In this mode, the SSI exhibits all the typical MCL operational features except for the
acknowledge-bit which is never expected or transmitted.

7 6 5 4 3 2 1

7 6 5 4 3 2 1 0 A

msb

lsb

tx data 1

tx data 2

msb

lsb

Write STB

(tx data 1)

SC

SD

SRDY

ACT

Interrupt

IFN = 0)

Interrupt

IFN = 1)

0 A

Write STB

(tx data 2)

SIR

SDD

Start

Stop

7 6 5 4 3 2 1

7 6 5 4 3 2 1 0 A

msb

lsb

tx data 1

rx data 2

msb

lsb

Write STB

(tx data 1)

SC

SD

SRDY

ACT

Interrupt

(IFN = 0)

Interrupt

(IFN = 1)

0 A

Read SRB
(rx data 2)

SIR

SDD

Start

Stop