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Z8937116VSC Datasheet(PDF) 9 Page - Zilog, Inc. |
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Z8937116VSC Datasheet(HTML) 9 Page - Zilog, Inc. |
9 / 40 page Z89321/371/391 Zilog 16-Bit Digital Signal Processors DS97DSP0100 P R E L I M I N A R Y 9 1 Table 4. Z89391 84-Pin PLCC Pin IdentiÞcation No. Symbol Function Direction 1 RXD Serial Input from CODEC Input 2 EXT12 External Data 12 In/Output 3 PA4 Program Address 4 Output 4 EXT13 External Data 13 In/Output 5 PA5 Program Address 5 Output 6 EXT14 External Data 14 In/Output 7 PA6 Program Address 6 Output 8VSS Ground 9 PA7 Program Address 7 Output 10 EXT15 External Data 15 In/Output 11 /PA_EN Prog. Mem. Address Enable Input 12 /EXTEN Ext. Bus Enable Input 13 EXT3 External Data 3 In/Output 14 PA8 Program Address 8 Output 15 EXT4 External Data 4 In/Output 16 PA9 Program Address 9 Output 17 VSS Ground 18 EXT5 External Data 5 In/Output 19 PA10 Program Address 10 Output 20 EXT6 External Data 6 In/Output 21 PA11 Program Address 11 Output 22 EXT7 External Data 7 In/Output 23 TXD Serial Output to CODEC Output 24 PA12 Program Address 12 Output 25 EXT8 External Data 8 In/Output 26 PA13 Program Address 13 Output 27 EXT9 External Data 9 In/Output 28 VSS Ground 29 PA14 Program Address 14 Output 30 EXT10 External Data 10 In/Output 31 PA15 Program Address 15 Output 32 VDD Power Supply Input 33 VSS Ground 34 PD0 Program Data 0 Input 35 EXT11 External Data 11 In/Output 36 PD1 Program Data 1 Input 37 INT2 User Interrupt 2 Input 38 PD2 Program Data 2 Input 39 INT1 User Interrupt 1 Input 40 PD3 Program Data 3 Input 41 UI1 User Input 1 Input 42 UI0 User Input 0 Input 43 SCLK CODEC Interface Clock In/Output 44 VDD Power Supply Input 45 RD//WR R/W External Bus Output 46 PD4 Program Data 4 Input 47 WAIT Wait State Input Input 48 PD5 Program Data 5 Input 49 /RESET Reset Input 50 PD6 Program Data 6 Input 51 EA0 External Address 0 Output 52 PD7 Program Data 7 Input 53 VDD Power Supply Input 54 /ROMEN ROM Enable Input 55 EA1 External Address 1 Output 56 PD8 Program Data 8 Input 57 EA2 External Address 2 Output 58 PD9 Program Data 9 Input 59 VDD Power Supply Input 60 PD10 Program Data 10 Input 61 /DS External Data Strobe Output 62 CLK Clock Input 63 PD11 Program Data 11 Input 64 HALT Stop Execution Input 65 FS0 Frame Synch for CODEC Interface 0 In/Output 66 INT0 User Interrupt 0 Input 67 PD12 Program Data 12 Input 68 UO0 User Output 0 Input 69 PD13 Program Data 13 Input 70 UO1 User Output 1 Input 71 PD14 Program Data 14 Input 72 FS1 Frame Synch for CODEC Interface 1 In/Output 73 PD15 Program Data 15 Input 74 VSS Ground 75 VDD Power Supply Input 76 PA0 Program Address 0 Output 77 VSS Ground 78 EXT0 External Data 0 In/Output 79 PA1 Program Address 1 Output 80 EXT1 External Data 1 In/Output 81 PA2 Program Address 2 Output 82 EXT2 External Data 2 In/Output 83 PA3 Program Address 3 Output 84 VSS Ground Note: *Input or output is defined by interface mode selection. Table 4. Z89391 84-Pin PLCC Pin IdentiÞcation No. Symbol Function Direction |
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