M672061H
Table 1. Programmable Half Full Flag Offset
I8
0
I7
0
0
0
I6
0
0
0
I5
0
0
0
I4
0
0
0
I3
0
0
0
I2
0
0
0
I1
0
0
1
I0
0
1
0
Offset
0
0
32
64
0
...
8192 (Half Full)
Default Offset
1
0
0
0
0
0
0
0
0
...
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
16384-64
16384-32
1
Table 2. Reset and Retransmit Single Device Configuration/Width Expansion Mode
Inputs
Internal Status
Write Pointer
Outputs
FF
Mode
RS
0
RT
X
XI
0
Read Pointer
Location Zero
Location Zero
Increment(1)
EF
0
HF
1
Reset
Location Zero
Unchanged
Increment(1)
1
X
X
Retransmit
Read/Write
1
0
0
X
X
1
1
0
X
X
Note:
1. Pointer will increment if flag is high.
Table 3. Reset and First Load Truth Table
Depth Expansion/Compound Expansion Mode
Inputs
Internal Status
Outputs
Mode
RS
0
FL
0
XI
Read Pointer
Location Zero
Location Zero
X
Write Pointer
EF
0
FF
(1)
Reset First Device
Reset All Other Devices
Read/Write
Location Zero
Location Zero
X
1
1
(1)
(1)
0
1
0
1
X
X
X
Note:
1. XI is connected to XO of previous device.
See Figure 5.
7
4144K-AERO-04/07
ATMEL [ ATMEL ]
