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MC14500B bảng dữ liệu(PDF) 4 Page - Motorola, Inc |
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MC14500B bảng dữ liệu(HTML) 4 Page - Motorola, Inc |
4 / 8 page MOTOROLA CMOS LOGIC DATA 309 MC14500B Figure 1. Typical Clock Frequency versus Resistor (RC) RC, CLOCK FREQUENCY RESISTOR 10 k Ω 100 k Ω 1 M Ω 100 k 1 M 10 k Pin No. Function Symbols 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Chip Reset Write Pulse Data In/Out MSB Instruction Word Bit 2 Instruction Word Bit 1 Instruction Word LSB Instruction Word Negative Supply (Ground) Flag on NOP F Flag on NOP O Subroutine Return Flag Jump Instruction Flag Oscillator Input Oscillator Output Result Register Positive Supply RST Write Data I3 I2 I1 I0 VSS Flag F Flag O RTN JMP X2 X1 RR VDD Table 1. MC14500B Instruction Set Instruction Code Mnemonic Action 0 1 2 3 4 5 6 7 8 9 A B C D E F 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 1010 1011 1100 1101 1110 1111 NOPO LD LDC AND ANDC OR ORC XNOR STO STOC IEN OEN JMP RTN SKZ NOPF No change in registers. RR ³ RR, Flag O ³ Load result register. Data ³ RR Load complement. Data ³ RR Logical AND. RR Data ³ RR Logical AND complement. RR Data ³ RR Logical OR. RR + Data ³ RR Logical OR complement. RR + Data ³ RR Exclusive NOR. If RR = Data, RR ³ 1 Store. RR ³ Data Pin, Write ³ Store complement. RR ³ Data Pin, Write ³ Input enable. Data ³ IEN Register Output enable. Data ³ OEN Register Jump. JMP Flag ³ Return. RTN Flag ³ and skip next instruction Skip next instruction if RR = 0 No change in registers. RR ³ RR, Flag F ³ Figure 2. Outline of a Typical Organization for a MC14500B–Based System MEMORY PROGRAM COUNTER MC14500B ICU CLOCK DATA I/O ADDRESS I0, I1, I2, I3 ADDITIONAL OUTPUT DEVICES MC14599B 8–BIT ADDRESSABLE LATCH WITH BIDIRECTIONAL DATA MC14512 8–CHANNEL DATA SELECTOR ADDITIONAL INPUT DEVICES 8 INPUTS 8 OUTPUTS TO PERIPHERAL DEVICES |
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Mô tả tương tự - MC14500B |
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