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   ocr: INTEGRATED CIRCUIT T6772 TOSHIBA T6721A, TECHNICAL DATA T6684 17] PIN DESCRIPTION 8 PIN CONNECTIONS (1) PIN Description (1)-1 T6721A(Voice synchesizing LSI) PIN NO. Scructure PIN Name FP I/0 Pull-up/doun Functional Explanation ():DIP W 1( (5) : Output Oucpur for test. TDAI 3( (6) Inpur Pull-doun Input for test. To be con- nected to GND. TFIO 4 (7) Output Output for test. DAN 6(8) DAC Output DA of Vss CONVERTER during Output. power down. Output APD 7(9) Power down oucput for ex- ternal audio circuit. 02 8(10) Clock LSI. pulse to ROM or P-ROM I/F PD 9 (11) Power down to ROM or P-ROM I/F LSI. Out ...