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Toshiba TC9457F manual

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Table of contents for the manual

  • Page 1

    TC9457F 2002 -10-21 1 TOSHI BA CMO S Digita l Integrat ed Circ uit Silicon Mono lith ic TC9457F Firmware Built In Digita l Servo The TC9457 F is a firmwa re incorpo rating CD digi tal servo system. In add ition to an LCD/LE D driver , 4-channel 6-bi t AD converter s, and 2-wire/3-w ire serial int erface, it has a buz zer function, interrupt functio[...]

  • Page 2

    TC9457F 2002 -10-21 2 · CD digit al servo sy stem · Capable of decoding text data. · Sure and reliab le sync pattern detect ion, sync s ignal prot ection, and interpo lation. · Contai ns EFM demodulato r circuit and subcode demodulator circu it. · CIRC lo gical equatio ns to provide high co rrection ca pability: dual C1 co rrection and q uadru[...]

  • Page 3

    TC9457F 2002-10- 21 3 Pin Connection Diagram[...]

  • Page 4

    TC9457F 2002 -10-21 4 Block Diagram[...]

  • Page 5

    TC9457F 2002 -10-21 5 Description Of Pin Fu nction Pin No. Symbol Pin Name Function And Operation Remarks 1~10 S1/OT5 ~ S10/OT14 LCD segment outputs /Output ports ― 11 S11/OT15 /CLC K ― 12 S12/OT16 /DATA ― 13 S13/OT17 /SFSY ― 14 S14/OT18 /LRCK LCD segment outputs /Output ports /CD signals ― 15 S8-0/S15 /BCK ― 16 P8-1/S16 /AOUT ― 17 P8[...]

  • Page 6

    TC9457F 2002 -10-21 6 Pin No. Symbol Pin Name Function And Operation Remarks 25 26~28 29 P3-0/D CREF P3-1/AD IN1 ~ P3-3/AD IN3 P4-0/AD IN4/ BUZR I/O port 3 /AD analog reference voltage input I/O port 3 /AD analog voltage input I/O port 4 /AD analog voltage inputs /Buzzer output 5-bit CMOS I/O ports. These ports can be set for input or output bit fo[...]

  • Page 7

    TC9457F 2002 -10-21 7 Pin No. Symbol Pin Name Function And Operation Remarks 45 SBOK Subcode Q data CRCC determination res ult output pin. It outputs a high when CRCC check is found OK. ― 46, 75 V DD ― 47, 76 V SS CD unit's digital block power supply pins. Normall y, apply 5 V to V DD . When not using a CD (CD off), this power supply can b[...]

  • Page 8

    TC9457F 2002 -10-21 8 Pin No. Symbol Pin Name Function And Operation Remarks 74 SEL APC circuit on/off signal out put pin. W hen laser is on, this pin goes to a high-impedance state when UHS = low and outputs a high when UHS = high. ― 77 XV SS ― 80 XV DD CD's cryst al oscillator power supply pins. Normal ly, connect t hese pins to the powe[...]

  • Page 9

    TC9457F 2002 -10-21 9 Pin No. Symbol Pin Name Function And Operation Remarks 92 INTR External interrupt i nput External interrupt input pin. When the interrupt faci lity is enabled and a pul se of 1.11 to 2.22 µs in duration is applied to this pin, an interrupt is generated and the program jumps to address 1. Input logic and the active edge (rise [...]

  • Page 10

    TC9457F 2002 -10-21 10 Maximum Ratings (T a = 25°C) Characterist ics Symbol Rating Unit Power supply volt age V DD − 0.3~6.0 V Input volt age V IN − 0. 3~V DD + 0. 3 V Power dissipation P D 1400 mW Operating temperature T opr − 40~85 °C Storage temperature T stg − 65~150 °C Electrical C haract eristics (Ta = 25 ° C, V DD = MV DD = AV DD[...]

  • Page 11

    TC9457F 2002 -10-21 11 V DD (CD unit power supply) Characterist ics Sym bol Test Circuit Tes t Condition Min Typ. Max Unit Operating suppl y voltage V DD ― MV DD ≥ V DD (Note 5) 4.5 5.0 5.5 V Operating suppl y current I DD ― W hen 16.9344 MHz crystal connected ― 50 60 mA Crystal oscillation frequency f XT ― Rout = 0 Ω , Ci = Co = 15 pF [...]

  • Page 12

    TC9457F 2002 -10-21 12 I/O Po rts (P1-0 to P4-3) Characterist ics Sym bol Test Circuit Tes t Condition Min Typ. Max Unit High lev el I OH3 ― V OH = 4.5 V − 1 − 2 ― I OL3 ― V OL = 0.5 V (exclude P4-1, 2, 3 pin) 1.5 3.0 ― Output current Low level I OL5 ― V OL = 0.5 V (P4-1, 2, 3 pin) 4 10 ― mA Input leakage current I LI ― V IH = 5.0[...]

  • Page 13

    TC9457F 2002 -10-21 13 DOUT , SBSY, S BOK, SEL, H SO, S PCK , SPDA , COFS Ou tput s Characterist ics Sym bol Test Circuit Tes t Condition Min Typ. Max Unit High lev el I OH4 ― V OH = 4.5 V − 2 − 4 ― Output voltage Low level I OL4 ― V OL = 0.5 V 2 4 ― mA PDO, T M AX , RFGC , T EBC , DM O Outp ut s Characterist ics Sym bol Test Circuit Te[...]

  • Page 14

    TC9457F 2002 -10-21 14 Package Dim ensions Weight: 1.6 g (ty p.)[...]

  • Page 15

    TC9457F 2002 -10-21 15 · TOSHIBA is cont inually w orking to improve the quality and reliabil ity of its produc ts. Neve rtheless, se miconductor devices in gen eral ca n malfu nction or fail due to t heir inherent electrical sensitivity and v ulnerabili ty to phy sica l stress. It i s the r esponsibi lity of the buyer, when utilizin g TOSH IBA pr[...]

  • Page 16

    Thi s datashee t ha s been download from: www. dat asheetcatalog. com Datas heet s fo r electr oni cs com ponents.[...]