U3750BM
TELEFUNKEN Semiconductors
If the redial is ordered after a manual dialing the redial is between these two codes: code 16 always erases the
executed according to the digits already transmitted in redial, code 23 inhibits a later redial if it is transmitted
line.
after or before dialing codes. The following examples
illustrates this.
The redial is effective if the comparison digit-by-digit of
all digits is correct. It is not produced if the comparison
is incorrect or if the number of digits exceeded the last
capacity of the redial. During redial, entry codes are
accepted.
Transmitted Codes
16
On Line
1 2 3
–nothing
1 2 3
Redial
1 2 3
Redial
1 2 3
Redial
1 2 3
1 2 3
–
1 2 3 4
4
1 2 3 4
–
Procedure with *
23
16
Storage does not pertain to the “*” code and the codes
entered after it when the manual dialing starts with a
numeric code or A, B, C, D, #, or pause codes. If the
dialing starts with the “*” code, all codes can be stored.
4
4
23
R
Redial
Note: the “#” code is treated for storage like a number.
1 2 3
Redial
1 2 3 R
–
16
23
Procedure with flash
1 2 3
Redial
R
1 2 3 R
1 2 3
The flash pulse does not reset the content of the RAM.
Example: 1 2 3 R
Redial
Redial
1 2 3 R 1 2 3
1 2 3
Special Case
Erasing redial
When the overflow flag is set and when the written
The erasing is possible through the serial bus with the address counter becomes equal to the read address
decimal codes 16 and 23. There is not much difference counter, the codes are not stored.
Dimensions in mm
Package: PLCC 44
Rev. A1: 16.07.1996
19 (20)