7

M672061H

4144K-AERO-04/07

Note:

1. Pointer will increment if flag is high.

Note:

1. XI is connected to XO of previous device.

See Figure 5.

Table 1. Programmable Half Full Flag Offset

I

8

I

7

I

6

I

5

I

4

I

3

I

2

I

1

I

0

Offset

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

32

0

0

0

0

0

0

0

1

0

64

...

1

0

0

0

0

0

0

0

0

8192 (Half Full)

Default Offset

...

1

1

1

1

1

1

1

1

0

16384-64

1

1

1

1

1

1

1

1

1

16384-32

Table 2. Reset and Retransmit Single Device Configuration/Width Expansion Mode

Mode

Inputs

Internal Status

Outputs

RS

RT

XI

Read Pointer

Write Pointer

EF

FF

HF

Reset

0

X

0

Location Zero

Location Zero

0

1

1

Retransmit

1

0

0

Location Zero

Unchanged

X

X

X

Read/Write

1

1

0

X

X

X

Table 3. Reset and First Load Truth Table

Depth Expansion/Compound Expansion Mode

Mode

Inputs

Internal Status

Outputs

RS

FL

XI

Read Pointer

Write Pointer

EF

FF

Reset First Device

0

0

(1)

Location Zero

Location Zero

0

1

Reset All Other Devices

0

1

(1)

Location Zero

Location Zero

0

1

Read/Write

1

X

(1)

X

X

X

X