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ADC0804LCWM датащи(PDF) 15 Page - Intersil Corporation |
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ADC0804LCWM датащи(HTML) 15 Page - Intersil Corporation |
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15 / 16 page ![]() 6-19 FIGURE 22. MAPPING THE A/D AS AN I/O DEVICE FOR USE WITH THE Z-80 CPU FIGURE 23. ADC0802 TO MC6800 CPU INTERFACE FIGURE 24. ADC0802 TO MC6820 PIA INTERFACE WR RD IORQ RD WR 74C32 ADC0802- ADC0804 3 2 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 ADC0802 - ADC0804 WR RD CS INTR CLK IN VIN (-) VIN (+) DGND VREF/2 AGND DB1 DB0 DB4 DB3 DB2 DB7 DB6 DB5 CLK R V+ 10K 5V (8) 10 µF + ANALOG INPUTS 150pF MSB LSB D1 (32) [29] D0 (33) [31] D4 (29) [32] D3 (30) [H] D2 (31) [K] D7 (26) [J] D6 (27) [L] D5 (28) [30] A12 (22) [34] A13 (23) [N] A14 (24) [M] A15 (25) [33] VMA (5) [F] IRQ (4) † [D]†† R/W (34) [6] 1 2 3 4 5 6 1/ 2 DM8092 A B C 1 2 3 † Numbers in parentheses refer to MC6800 CPU Pinout. †† Numbers or letters in brackets refer to standard MC6800 System Common Bus Code. 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 ADC0802 - ADC0804 WR RD CS INTR CLK IN VIN (-) VIN (+) DGND VREF/2 AGND DB1 DB0 DB4 DB3 DB2 DB7 DB6 DB5 CLK R V+ 10K 5V ANALOG INPUTS 150pF MSB LSB 11 10 14 13 12 17 16 15 PB1 PB0 PB4 PB3 PB2 PB7 PB6 PB5 MC6820 (MCS6520) PIA CB2 CB1 19 18 ADC0802, ADC0803, ADC0804 |
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