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| ( DataSheet : www..com ) BL1101 Series Tone/pulse dialer with Hand-free and lock functions Description BL1101 series is a single chip dialer IC using Si-gate CMOS process, it can provide the necessary signal for either pulse or DTMF dialing, it features Hand-free dialing, first number "0" and "9" dialing lock and redialing (at most 32bit) etc., it is compatible with W91330 series. C1 C2 C3 C4 NC Vss XT XT T/PMUTE HF1 1 20 2 19 3 18 4 17 5 BL1101A 16 15 6 14 7 13 8 12 9 10 11 PDIP 20 R4 R3 R2 R1 VDD MODE DTMF DP HKS HFO C1 C2 C3 C4 LOCK Vss XT XT T/PMUTE HF1 1 20 2 19 3 18 4 17 5 BL1101AL 16 15 6 14 7 13 8 9 12 10 11 PDIP 20 R4 R3 R2 R1 VDD MODE DTMF DP HKS HFO C1 C2 C3 C4 NC Vss XT XT T/PMUTE 18 1 2 17 16 3 4 15 5 BL1101 14 13 6 12 7 8 11 9 PDIP 18 R4 R3 R2 R1 VDD MODE DTMF DP HKS C1 C2 C3 C4 LOCK Vss XT XT T/PMUTE 1 18 2 17 16 3 15 4 5 BL1101L 14 13 6 7 12 8 11 9 PDIP 18 R4 R3 R2 R1 VDD MODE DTMF DP HKS Features Operating voltage: 2.0V~5.5V DTMF/Pulse selection with switch Easy operation with Redial, Flash and Pause functions Power on reset on-chip Uses 4A 4 keyboard Pause, P-T(pulse to tone ) can be stored as a digit in memory Flash time: 98ms, 600ms Minimum tone output duration: 100 ms, Minimum inter tone pause: 100ms Uses 3.57945 MHz crystal or ceramic resonator The dial-out of start number "0" or "9" can be locked Package in 18 or 20-pin plastic DIP Application Uses as dialing circuit in telephone set, complete relevant Typical application circuit Address No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233 www..com www..com BL1101 Series Tone/pulse dialer with Hand-free and lock functions RING */T 7 0 8 9 4 5 6 1 2 3 D5 D6 13 R2 22K R21 10K R7 1M BL1101 R8 300K HKS Vss 16 C2 0.1 C4 R10 10K R11 75 T16 22K HFI 10 Latch"0""9" Latch"0" C3 0.1 hand free T3 Speech network T4 V DD R9 470K 4.7 12 T3 D8 5.1V + 100 T2 R6 3K R1 200K off hook on hook R3 33K R4 3.3K 250V TIP R/P F1 F2 R4 R3 R2 R1 C4 C3 C2 C1 C5 30pX2 C6 XT XT DP * D1~D4 T1 R5 20M MODE Pulse V DD DTMF 14 Tone VDD LOCK HFO 11 T/P MUTE 9 Address Nomal No.810, YiShan Road ShangHai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233 |
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