Product Description
information from the host chipset 2) a private call
announce while on call can be heard from the host
by giving caller-ID on call waiting information from
the host chipset.
The ISD5116 ChipCorder Product provides high
quality,
fully
integrated,
single-chip
Record/Playback solutions for 8- to 16-minute
messaging applications that are ideal for use in
cellular phones, automotive communications,
GPS/navigation systems and other portable
products. The ISD5116 product is an enhancement
of the ISD5000 architecture, providing: 1) the I2C
serial port - address, control and duration selection
are accomplished through an I2C interface to
minimize pin count (ONLY two control lines
required); 2) the capability of the storage array to
store digital, in addition to analog, information.
These features allow customers to store phone
book numbers, system configuration parameters
and message address pointers for message
management capability.
Logic Interface Options of 2.0V and 3.0V are
supported by the ISD5116 to accommodate
portable communication products customers (2.0-
and 3.0-volt required).
Like other ChipCorder® products, the ISD5116
integrates the sampling clock, anti-aliasing and
smoothing filters, and the multi-level storage array
on a single-chip. For enhanced voice features, the
ISD5116 eliminates external circuitry by integrating
automatic gain control (AGC),
a
power
amplifier/speaker driver, volume control, summing
amplifiers, analog switches, and a car kit interface.
Input level adjustable amplifiers are also included,
Analog functions and audio gating have also been
integrated into the ISD5116 product to allow easy
interface with integrated digital cellular chip sets on
the market. Audio paths have been designed to
enable full duplex conversation record, voice
memo, answering machine (including outgoing
message playback) and call screening features.
This product enables playback of messages while
the phone is in standby, AND both simplex and
duplex playback of messages while on a phone call.
providing
a
flexible interface for multiple
applications.
Recordings are stored in on-chip nonvolatile
memory cells, providing zero-power message
storage. This unique, single-chip solution is made
possible through ISD’s patented multilevel storage
technology. Voice and audio signals are stored
directly into solid-state memory in their natural,
uncompressed form, providing superior quality
voice and music reproduction.
Additional voice storage features for digital cellular
include: 1) a personalized outgoing message can
be sent to the person by getting caller-ID
ISD5116 Block Diagram
FTHRU
6dB
INP
ANA OUT+
ANA OUT-
FILTO
ANA
OUT
AMP
MICROPHONE
SUM1
Summing
AMP
SUM1
INP
SUM2
Summing
AMP
MIC+
MIC -
MIC IN
1
VOL
FILTO
AGC
SUM1 MUX
S1M0
1
Low Pass
Filter
Σ
SUM2
SUM1
ARRAY
(AOPD)
ANA IN
Σ
(AGPD)
2
1
(FLPD)
(FLS0)
(
)
S2M0
S2M1
3
1
S1M1
AGCCAP
(
)
2
AOS0
AOS1
AUX IN
FILTO
ANA IN
ARRAY
( )
AOS2
1
(INS0)
Internal
Clock
AUX IN
AMP
Multilevel/Digital
Storage Array
AUX IN
1
(AXPD)
FLD0
FLD1
2
(
)
2
AUX
OUT
AMP
AXG0
S1S0
S1S1
SUM2
(ANALOG)
Array I/O Mux
FILTO
SUM2
(
)
2
(
)
AUX OUT
AXG1
64-bit/samp.
XCLK
64-bit/samp.
CTRL
(DIGITAL)
SPEAKER
SP+
VOL
ARRAY OUTPUT MUX
ARRAY OUT
(DIGITAL)
ARRAY OUT
(ANALOG)
Spkr.
AMP
ANA IN
ANA IN
AMP
ANA IN
SP-
1
2
SUM1
INP
(AIPD)
2
OPS0
Volume
(
)
OPA0
OPA1
OPS1
VOL0
VOL1
VOL2
(
)
Control
ANA IN
2
( )
1
(VLPD)
AIG0
AIG1
3
(
)
SUM2
VLS0
VLS1
(
)
2
Power Conditioning
Device Control
VCCD
SDA
INT
RAC
A0
A1
VCCA VSSA VSSA VSSD
VCCD
SCL
VSSD
October 2000
Page 2