uba2051t NXP Semiconductors, uba2051t Datasheet - Page 20

• Manufacturer Part Number: uba2051t
• Description: Uba2050 A ; Uba2051 A;c One-chip Telephone Ics With Speech, Dialler And Ringer Functions
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 May 19
handbook, full pagewidth
handbook, full pagewidth
One-chip telephone ICs with speech,
dialler and ringer functions
t
t
t
t
t
t
t
b
m
idp
b
m
idp
ap
= break time.
= break time.
= make time.
= make time.
= access pause time.
= interdigit pause time.
= interdigit pause time.
internal
MDY/TONE
MUTE
DP/FL
KEYS
DMO
Fig.21 Timing diagram in pulse dialling mode for the UBA205xA.
Fig.20 Timing diagram in pulse dialling mode for the UBA205x.
internal
MUTE
DP/FL
KEYS
t
t
t
t
t
t
t
ap
mho
pdp
LED
mho
pdp
t
p
= burst time.
= pause time.
= access pause time.
[3]
t pdp
= pre-digit pause.
= pre-digit pause.
= mute holdover time.
= mute holdover time.
.........
t b
....[3] .............. [3] ......... [P->T]
t pdp
[3
t m
]
t b
.........
t m
t m
t idp
[LNR/P]
t m
t pdp
t idp
.........
t pdp
[4]
t m
t idp
...................
t m t idp
20
t ap
[4]
t ap
t pdp
UBA2050(A); UBA2051(A;C)
t t
t m
t p
t idp
t mho
MGU139
MGU140
t mho
Product specification