isd14b00 Winbond Electronics Corp America, isd14b00 Datasheet
isd14b00
Related parts for isd14b00
isd14b00 Summary of contents
Page 1
ISD14B20 SINGLE-CHIP, MULTIPLE-MESSAGE VOICE RECORD/PLAYBACK DEVICE 10.6- TO 32-SECONDS DURATION Publication Release Date: October 9, 2007 - 1 - ISD14B20 Revision 0 ...
Page 2
TABLE OF CONTENTS 1. GENERAL DESCRIPTION ............................................................................................................... 3 2. FEATURES ....................................................................................................................................... 3 3. BLOCK DIAGRAM ............................................................................................................................ 5 4. PAD DESCRIPTION ......................................................................................................................... 6 5. FUNCTIONAL DESCRIPTION ......................................................................................................... 8 5.1. Address Trigger ( NORM 5.1.1. Record ( ) Operation ........................................................................................................ 8 REC ...
Page 3
GENERAL DESCRIPTION Winbond’s ISD14B20 ChipCorder operating modes (address trigger and direct trigger) with wide operating voltage ranging from 2.4V to 5.5V. The sampling frequency can be selected from kHz via an external resistor, which also determines ...
Page 4
Address trigger operational mode • While in mode, flexible message duration is defined by start address and end NORM address. • Utilize four start addresses ( specific the message duration. • : Level-hold or Edge-trigger (toggle on-off) recording from ...
Page 5
BLOCK DIAGRAM Rosc MIC+_ Pre- AnaIn Amp Amp Automatic Gain Control AGC (AGC) Address Trigger: NORM LED FT PlayE Direct Trigger: MODE LED FT FMC3 Clock Control Non-Volatile Antialiasing Multi Level Storage Filter Array Device & Address Control PlayL ...
Page 6
PAD DESCRIPTION PAD NAME Digital Ground: Ground path for digital circuits. SSD [ When M1 & debounce existed. [ When M2 & ...
Page 7
PAD NAME MIC- I MIC- : Inverting input of the differential microphone signal. While MIC- pin is disabled and must be floated. Rosc I Oscillator Resistor: Connect an external resistor from this pin to V internal sampling ...
Page 8
FUNCTIONAL DESCRIPTION There are two operational modes: address trigger ( condition is selected on NORM 5. DDRESS RIGGER NORM The start address bits ( S0 to access the memory location and they can divide the memory ...
Page 9
Fig. 1: Record–Level ( ) function till end address REC Norm/Mode <S3:S0> <E3:E0> ASet AHold REC T Deb LED Mic+/- or AnaIn Fig. 2: Record–Level ( ) function with start and stop actions REC Norm/Mode <S3:S0> <E3:E0> T ...
Page 10
Edge-triggered Playback ( • Low active input, edge-trigger, toggle on-off, debounce required. • Playback begins from the start address to end address or EOM, whichever is occurred first. • At the end of message, pulses Low momentarily. LED • ...
Page 11
Norm/Mode <S3:S0> <E3:E0> ASet PlayL Start T Deb LED Sp+ Sp- • However, holding Low constantly will perform looping playback function, without power down, PlayL from start address to end address. Fig. 6: Looping playback function via Norm/Mode ...
Page 12
Norm/Mode <S3:S0> <E3:E0> AHold ASet REC T Deb LED Mic+/- or AnaIn PlayE SP+ SP- 5.1.5. XCLK Feature • When precision sampling frequency is required, external clock mode can be activated by setting to Low. Under such condition, ...
Page 13
Number of memory row arrangement with respect to different number of fixed messages for ISD14B20 (128 Rows). The non-configured Message control pins (Mx) will be disabled ...
Page 14
Example of four Fixed-Message Configuration: Fig. 8: Record Operation under FMC mode Norm/Mode FM3 FM2 FM1 T FSet Start LED T Deb Mic+/- or AnaIn Fig. 9: Playback Operation under FMC mode Norm/Mode FM3 ...
Page 15
When R resistor value is changed during playback, the tone of a recorded message will alter either OSC faster or slower. • If the ground side of R resistor is floated or tied to V OSC • The operation ...
Page 16
ABSOLUTE MAXIMUM RATINGS CONDITION Junction temperature Storage temperature range Voltage applied to any pins Voltage applied to Input pins (current limited to +/-20 mA) Voltage applied to output pins (current limited to +/-20 mA) V – ...
Page 17
ELECTRICAL CHARACTERISTICS 7. ARAMETERS PARAMETER Input Low Voltage V Input High Voltage V Output Low Voltage V Output High Voltage V Standby Current I Record Current I Playback Current Pull-up device for REC PlayE ...
Page 18
AC P ARAMETERS [1] CHARACTERISTIC Sampling Frequency Record Duration Playback Duration Debounce Time Address Setup Time Address Hold Time FMC Setup Time Record Settle Time Play Settle Time Delay from Record to Play T Record Stop Time LED Pulse ...
Page 19
TYPICAL APPLICATION CIRCUIT The following typical application examples on ISD14B20 series are for references only. They make no representation or warranty that such applications shall be suitable for the use specified. It’s customer’s obligation to verify the design in ...
Page 20
Example #2: Fixed Message Configuration Operations under direct trigger mode ( 4.7 k Ω∗ μ 4.7 F* Ω∗ 4.7 k μ 0.1 F* μ 0.1 F* μ 4.7 F* 4.7 kΩ∗ Rosc* Good Audio Design Practices ...
Page 21
PACKAGING 9 NFORMATION PLAYL / FMC1 SSA Contact Winbond Sales Representatives for other information. ...
Page 22
ORDERING INFORMATION Product Number Descriptor Key Product Name ISD Product Series: 14B = 14B00 Duration 10.6 – 32 secs Package X When ordering ISD14B20 devices, please refer to the above ordering scheme. Contact the local ...
Page 23
VERSION HISTORY VERSION DATE 0 Oct 9, 2007 DESCRIPTION Initial revision Publication Release Date: October 9, 2007 - 23 - ISD14B20 Revision 0 ...
Page 24
Winbond products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other ...