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Z89323 Datasheet(PDF) 8 Page - Zilog, Inc. |
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Z89323 Datasheet(HTML) 8 Page - Zilog, Inc. |
8 / 61 page Z89323/373/393 16-BIT DIGITAL SIGNAL PROCESSORS 8 PRELIMINARY DS95DSP0101 Q4/95 PIN DESCRIPTION (Continued) Table 4a. 80-Pin QFP Z89323/373 Pin Description No. Symbol Function Direction 1NC NoConnection 2 EXT15/P015 ExtData15/Port015 In/Output 3 /EXTEN ExtEnable Input 4NC NoConnection 5 EXT3/P03 ExtData3/Port03 In/Output 6 P32 Port32 Input 7 EXT4/P04 ExtData4/Port04 In/Output 8V SS Ground 9V DD Power 10 EXT5/P05 ExtData5/Port05 In/Output 11 P13/SOUT Port13/SerialOutput In/Output 12 EXT6/P06 ExtData6/Port06 In/Output 13 P14/SS Port14/SerialSelect In/Output 14 EXT7/P07 ExtData7/Port07 In/Output 15 P15/SK Port15/SerialClock In/Output 16 P27 Port27 In/Output 17 EXT8/P08 ExtData8/Port08 In/Output 18 EXT9/P09 ExtData9/Port09 In/Output 19 V SS Ground 20 P33 Port33 Input 21 EXT10/P010 ExtData10/Port010 In/Output 22 V SS Ground 23 NC NoConnection 24 P34 Port34 Output 25 EXT11/P011 ExtData11/Port011 In/Output 26 V DD Power 27 VAHI AnalogHighRef. Input 28 V SS Ground 29 P16/UI0 Port16/UserInput0 In/Output 30 VAL0 AnalogLowRef. Input 31 P17/UI1 Port17/UserInput1 In/Output 32 ANGND AnalogGround Input 33 AN0 A/DInput0 Input 34 AN1 A/DInput1 Input 35 AN2 A/DInput2 Input 36 AN3 A/DInput3 Input 37 V SS Ground 38 P21/INT1 Port21/Interrupt1 In/Output 39 ANVCC AnalogPower Input 40 V DD Power Input No. Symbol Function Direction 41 RD//WR R/WExternalBus Output 42 P35 Port35 Output 43 NC NoConnection 44 HALT HaltExecution Input 45 EA0 ExtAddress0 Output 46 P36 Port36 Output 47 EA1 ExtAddress1 Output 48 EA2 ExtAddress2 Output 49 NC NoConnection 50 V DD Power 51 P23/UO1 Port23/UserOutput1 In/Output 52 /DS ExtDataStrobe Output 53 P24/UO2 Port24/UserOutput2 In/Output 54 CLKI Clock/CrystalIn Input 55 CLKO Clock/CrystalOut Input 56 P26 Port26 In/Output 57 P22/UO0 Port22/UserOutput0 In/Output 58 P25/UI2 Port25/UserInput2 In/Output 59 WAIT WaitforExt Input 60 P37 Port37 Output 61 /RES Reset Input 62 V SS Ground 63 V DD Power 64 NC NoConnection 65 V SS Ground 66 P30 Port30 Input 67 EXT0/P00 ExtData0/Port00 In/Output 68 EXT1/P01 ExtData1/Port01 In/Output 69 EXT2/P02 ExtData2/Port02 In/Output 70 P10/INT2 Port10/Interrupt2 In/Output 71 V SS Ground 72 P11/CLKOUT Port11/ClockOutput In/Output 73 P12/SIN Port12/SerialInput In/Output 74 P20/INT0 Port20/Interrupt0 In/Output 75 EXT12/P012 ExtData12/Port012 In/Output 76 EXT13/P013 ExtData13/Port013 In/Output 77 V DD Power 78 EXT14/P014 ExtData14/Port014 In/Output 79 V SS Ground 80 P31 Port31 Input |
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