MT9092AP Zarlink, MT9092AP Datasheet - Page 3

• Manufacturer Part Number: MT9092AP
• Description: Digital Telephone 44-Pin PLCC Tube
• Manufacturer: Zarlink

Specifications of MT9092AP

• Package: 44PLCC
• Power Supply Type: Analog
• Typical Supply Current: 8 mA
• Typical Operating Supply Voltage: 5 V
• Minimum Operating Supply Voltage: 4.75 V
• Maximum Operating Supply Voltage: 5.25 V

NOTES:
Intel and MCS-51 are registered trademarks of Intel Corporation, Santa Clara, CA, USA.
Pin Description (continued)
Pin
22-
19,
13
14
15
16
17
18
20
21
33
34
35
36
37
38
39
40
41
42
43
44
#
HSPKR- Inverting Handset Speaker (Output). Output to the handset speaker (balanced).
HSPKR
DATA 2 Serial Data Transmit. In an alternate mode of operation, this pin is used for data transmit
DATA 1 Bidirectional Serial Data. Port for microprocessor serial data transfer compatible with MCS-
S1-S12 Segment Drivers (Output). 12 independently controlled, two level, LCD segment drivers. An
SPKR+ Non-Inverting Speaker (Output). Output to the speakerphone speaker (balanced).
SPKR-
Name
SPKR
SCLK
MIC+
V
V
MIC-
V
V
WD
CS
NC
BP
M-
IC
SSD
SSA
DD
+
SS
Serial Port Synchronous Clock (Input). Data clock for MCS-51 compatible microport. TTL
level compatible.
from MT9092. In the default mode, serial data transmit and receive are performed on the
DATA 1 pin and DATA 2 is tri-stated.
51 standard (default mode). In an alternate mode of operation , this pin becomes the data
receive pin only and data transmit is performed on the DATA 2 pin. Input level TTL compatible.
Chip Select (Input).
transfers. Active low. (TTL level compatible.)
Watchdog (Output). Watchdog timer output. Active high.
Internal Connection. Tie externally to V
No Connection. No internal connection to these pins.
Digital Ground. Nominally 0 volts.
in-phase signal, with respect to the BP pin, produces a non-energized LCD segment. An out-
of-phase signal, with respect to the BP pin, energizes its respective LCD segment.
Backplane Drive (Output). A two-level output voltage for biasing an LCD backplane.
Positive Power Supply (Input). Nominally 5 volts.
Non-Inverting Handset Speaker (Output). Output to the handset speaker (balanced).
Inverting Speaker (Output). Output to the speakerphone speaker (balanced).
Power Supply Rail for Analog Output Drivers. Nominally 0 Volts.
Inverting Handsfree Microphone (Input).
pin.
Non-inverting Handsfree Microphone (Input).
inverting input pin.
Analog Ground. Nominally 0 V.
Inverting Microphone (Input). Inverting input to microphone amplifier from the handset
microphone.
This input signal is used to select the device for microport data
Zarlink Semiconductor Inc.
MT9092
3
Description
SS
for normal operation.
Handsfree microphone amplifier inverting input
Handsfree microphone amplifier non-
Data Sheet