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Z86L88 датащи(PDF) 7 Page - Zilog, Inc. |
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Z86L88 датащи(HTML) 7 Page - Zilog, Inc. |
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7 / 11 page ![]() Z86L88/81/86/87/89/73 IR/Low-Voltage Microcontroller DS96LV00800 P R E L I M I N A R Y 7 1 Table 1. Pin Identification 40-Pin DIP # 44-Pin PLCC # 44-Pin QFP # Symbol Direction Description 26 40 23 P00 Input/Output Port 0 is Nibble Programmable. 27 41 24 P01 Input/Output Port 0 can be configured as 30 44 27 P02 Input/Output A15-A8 external program 34 5 32 P03 Input/Output ROM Address Bus. 5 17 44 P04 Input/Output Port 0 can be configured as a 6 18 1 P05 Input/Output mouse/trackball input. 7 19 2 P06 Input/Output 10 22 5 P07 Input/Output 28 42 25 P10 Input/Output Port 1 is byte programmable. 29 43 26 P11 Input/Output Port 1 can be configured as 32 3 30 P12 Input/Output multiplexed A7-A0/D7-D0 33 4 31 P13 Input/Output external program ROM 8 20 3 P14 Input/Output Address/Data Bus. 9 21 4 P15 Input/Output 12 25 8 P16 Input/Output 13 26 9 P17 Input/Output 35 6 33 P20 Input/Output Port 2 pins are individually 36 7 34 P21 Input/Output configurable as input or output. 37 8 35 P22 Input/Output 38 9 36 P23 Input/Output 39 10 37 P24 Input/Output 2 14 41 P25 Input/Output 3 15 42 P26 Input/Output 4 16 43 P27 Input/Output 16 29 12 P31 Input IRQ2/Modulator input 17 30 13 P32 Input IRQ0 18 31 14 P33 Input IRQ1 19 32 15 P34 Output T8 output 22 36 19 P35 Output T16 output 24 38 21 P36 Output T8/T16 output 23 37 20 P37 Output 20 33 16 /AS Output Address Strobe 40 11 38 /DS Output Data Strobe 1 13 40 R//W Output Read/Write 21 35 18 /RESET Input Reset 15 28 11 XTAL1 Input Crystal, Oscillator Clock 14 27 10 XTAL2 Output Crystal, Oscillator Clock 11 23,24 6,7 VDD Power Supply 31 1,2, 34 17,28,29 VSS Ground 25 39 22 Pref1 Input Comparator 1 Reference 12 39 R//RL Input ROM/ROMless |
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