HT93214 Ver la hoja de datos (PDF) - Holtek Semiconductor
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HT93214 Datasheet PDF : 16 Pages
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HT93214 Series
Keyboard Operation
The following operations are described under an on-off- hook or on-hook condition with the hand-free active condition.
· N o r m a l d ia lin g
- P u ls e m o d e
( a ) w ith o u t * /T
K e y b o a r d in p u t: D 1 D 2 ... D n
D ia lin g o u tp u t: D 1 D 2 ... D n
R M : D 1 D 2 ... D n
- Tone m ode
( a ) w ith o u t * /T
K e y b o a r d in p u t: D 1 D 2 ... D n
D ia lin g o u tp u t: D 1 D 2 ... D n
R M : D 1 D 2 ... D n
( b ) w ith * /T
K e y b o a r d in p u t: D 1 D 2 ... D n * /T D n + 1 ...
Dm
D ia lin g o u tp u t: D 1 D 2 ... D n T P ® T D n + 1 ... D m
P u ls e
Tone
R M : D 1 D 2 ... D n * /T D n + 1 ... D m
( b ) w ith * /T
K e y b o a r d in p u t: D 1 D 2 ... D n * /T D n + 1 ...
Dm
D ia lin g o u tp u t: D 1 D 2 ... D n * D n + 1 ... D m
R M : D 1 D 2 ... D n * D n + 1 ... D m
N o te : T h e m a x im u m c a p a c ity o f th e R M m e m o r y is 3 2 d ig its . W h e n m o r e th a n 3 2 d ig its a r e e n te r e d ,
th e s ig n a l is tr a n s m itte d b u t th e r e d ia l fu n c tio n is in h ib ite d .
· R e d ia l
- P u ls e m o d e
( a ) w ith o u t * /T
R M c o n te n t: D 1 D 2 ... D n
K e y b o a r d in p u t: R
D ia lin g o u tp u t: D 1 D 2 ... D n
R M :U nchanged
- Tone m ode
( a ) w ith o u t * /T
R M c o n te n t: D 1 D 2 ... D n
K e y b o a r d in p u t: R
D ia lin g o u tp u t: D 1 D 2 ... D n
R M :U nchanged
( b ) w ith * /T
R M c o n te n t: D 1 D 2 ... D n * /T D n + 1 ... D m
K e y b o a r d in p u t: R
D ia lin g o u tp u t: D 1 D 2 ... D n T P ® T D n + 1 ... D m
P u ls e
Tone
R M :U nchanged
( b ) w ith * /T
R M c o n te n t: D 1 D 2 ... D n * /T D n + 1 ... D m
K e y b o a r d in p u t: R
D ia lin g o u tp u t: D 1 D 2 ... D n * D n + 1 ... D m
R M :U nchanged
Rev. 1.10
7
October 2, 2002
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