integrated circuits inc. aivr series nov 06, 2008 1 a plus make your production a-plus data sheet aivr1004 C 10 sec aivr2104 C 21 sec aivr4208 C 42 sec AIVR8508 C 85 sec aivr34112 C 341 sec a plus integrated circuits inc. sales e-mail: sales@aplusinc.com.tw address: 3 f-10, no. 32, sec. 1, chenggung rd., taipei, taiwan 115, r.o.c. (115) ???^?? 32 ? 3 ? 10. tel: 886-2-2782-9266 fax: 886-2-2782-9255 website : http: // www.aplusinc.com.tw technology e-mail: service@aplusinc.com.tw
integrated circuits inc. aivr series nov 06, 2008 2 features l standard cmos process. l embedded eprom. l embedded 8-bit mcu. l 10, 21, 42 and 85sec voice duration at 6 khz sampling with 4-bit adpcm compression. l combination of voice building blocks to extend playback duration. l table entries are available for voice block combinations. l user selectable pcm or adpcm data compress. l voice group trigger options: edge / level; hold / un-hold; retrigger / non-retrigger. l programmable i/os, timer interrupt and watch dog timer. l built-in oscillator with fixed rosc, software control sampling frequency l 2.2v C 3.6v single power supply and < 5ua low stand-by current. l pwm vout1 and vout2 drive speaker directly. l d/a cout with ramp-up ramp-down option to drive speaker through an external bjt. description aplus aivr is a 8-bit cpu based voice chip series. it is fabricated with standard cmos process with embedded voice storage memory. it can store from 10 to 341 sec voice message with 4-bit adpcm compression at 6khz sampling rate. 8-bit pcm is also available as user selectable option to improve sound quality. depending on ic body, there are up to twelve programmable i/o pins. key trigger and parallel cpu trigger mode can be configured according to different application requirement. user selectable triggering and output signal options provide maximum flexibility to various applications. built-in resistor controlled oscillator, 8-bit current mode d/a output and pwm direct speaker driving output minimize the number of external components. part number duration programmable io aivr1004 10 sec 4 aivr2104 21 sec 4 aivr4208 42 sec 8 AIVR8508 85 sec 8 aivr34112 341 sec 12
integrated circuits inc. aivr series nov 06, 2008 3 pin configurations pin descriptions pin names description vout1 pwm output to drive speaker directly vout2_cout pwm output or cout dac output select by programmable option vss power ground osc oscillator input vdda positive power supply vdd positive power supply pbn programmable i/o pins (n: 0 to 3) pcn programmable i/o pins (n: 0 to 3 for aivr4208/34112) pdn programmable i/o pins (n: 0 to 3 for aivr34112) rstb reset pin, low active note: pbn, pcn and pdn are software programmable i/o pins that can be set to different configurations such as pure input, input with pull-up, input with pull-down and output. the programmable i/o pins set up will take effect immediately after chip reset is applied.
integrated circuits inc. aivr series nov 06, 2008 4 block diagram absolute maximum ratings symbol rating unit v dd - v ss -0.5 ~ +3.8 v v in v ss - 0.3 integrated circuits inc. aivr series nov 06, 2008 5 dc characteristics ( t a = 0 to 70 , v dd = 3.0v, v ss = 0v ) symbol parameter min. typ. max. unit conditions v dd operating voltage 2.2 3.0 3.6 v i sb standby current ? 1 5 a i/o properly terminated i op operating current ? ? 15 ma i/o properly terminated v ih "h" input voltage 2.5 3.0 3.5 v v dd =3.0v v il "l" input voltage -0.3 0 0.5 v v dd =3.0v i voutl v out low o/p current ? 130 ? ma vout=1.0v i vouth v out high o/p current ? -130 ? ma vout=2.0v i co c out o/p current ? -2 ? ma data = 80h i oh o/p high current ? -8 ? ma v oh =2.5v i ol o/p low current ? 8 ? ma v ol =0.3v rn vout vout pull-down resistance ? 100k ? vout pin set to internal pull-down rn pio programmable io pin pull-down resistance ? 1m ? pbx, pcx, pdx set to internal pull-down ru pio programmable io pin pull-up resistance 3.3k 4.7k ? pbx, pcx, pdx set to internal pull-up d fs/fs frequency stability -3 ? + 3 % v dd = 3v +/- 0.4v d fc/fc chip to chip frequency variation -5 ? + 5 % also apply to lot to lot variation
integrated circuits inc. aivr series nov 06, 2008 6 typical applications using 3.3v battery using 4.5v battery vdd,vdda vss 4.5v rst pb0 pb1 pb2 osc i 0.1uf c1 r osc = 610k tr vout2_ cout 8 ? 1/4w speaker ht7335 output driving of ht ldo: ht7136 (30ma, 3.6v) ht7133 (30ma, 3.3v) ht7536 (100ma, 3.6v) ht7335 (250ma, 3.5v) rb 4.7k note : pb0 to pb2 are set to input c1 = 0.1uf to 2.2uf depend on the kind of power supply. vdd,vdda vss 3.3v rstb pb0 pb1 pb2 osci 0.1uf c1 r osc = 610k 8 / 16 ? speaker vout1 vout2_ cout pb3 4.7k note : pb0 to pb2 are set to input; pb3 is set to output c1 = 0.1uf to 2.2uf depend on the kind of power supply.
integrated circuits inc. aivr series nov 06, 2008 7 5v cpu control with cout note: 1. c1 is capacitor from 0.1uf to 2.2uf depends on the kind of vdd source and sound loudness. e.g. if cout is used, c1 can be 0.1uf. however, if pwm direct drive speaker is used, c1 should be at least 2.2uf 2. rb is base resistor from 120 ohm to 390 ohm depends on vdd value and transistor gain. 3. tr is an npn transistor with beta larger than 150, e.g. 8050d. 4. rosc = 610k ohm with vdd=3.0v vdd,vdda vss rst pb3 osc 0.1uf c1 r osc =610k tr vout2_ cout 8 ? 1/4w speaker ht7335 pb0 pb1 pb2 vout=+3.5v addr[0] addr[1] addr[2] io0 vin=+5v note : pb0 to pb2 set to internal pull-up addr[0] to [2] are open drain output drive m c u rb 470k
integrated circuits inc. aivr series nov 06, 2008 8 bonding diagrams
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