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ICS9159-05 数据表(PDF) 2 Page - Integrated Circuit Systems |
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ICS9159-05 数据表(HTML) 2 Page - Integrated Circuit Systems |
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2 / 7 page ![]() 2 ICS9159-05 Functionality Assuming 14.318 MHz input, all frequencies in MHz. 14 MHz=14.318 MHz Notes: 1. 000 mode powers-down the PLL sections and forces the outputs low. To ensure glitch-free start and stop of the CPU and BUS clocks, enter 000 from 001 and exit 000 through 001. 2. Select is FS0, Fs1 = 00, 01, 10, 11. 3. F is the value of CPU, ECPU & BUS. F value is 66.6, 60, 50 or 33.3 as selected by FS(0:1). Notes: 1. Where F is Frequency selected by FS (0:1) 2. F value is 66.6, 60, 50 or 33.3. STOP# BSEL# DOZE# FS0 FS1 CPU (0:2) (MHz) ECPU (MHz) BUS (0:5) (MHz) FIXED (MHz) 1 1 1 1 0 0 0 0 0 1 0 1 1 0 0 1 1 1 0 0 1 1 0 0 X X X X Select X X X X X X X Select X X X F F F/2 F/2 Stop Stop Low Tristate F F F/2 F/2 Run Stop Low Tristate F F F/4 F/2 Run Stop Low Tristate 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 L, L, 14 Tristate STOP# BSEL# DOZE# FS0 FS1 CPU (0:2) (MHz) ECPU (MHz) BUS (0:5) (MHz) FIXED (MHz) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 1 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 0 1 1 0 1 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 Select 2 Select 2 Select 2 X X X 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Select 2 Select 2 Select 2 X X X 66.6 60 50 33.3 66.6 60 50 33.3 33.3 30 25 16.7 33.3 30 25 16.7 F 3 F/2 Stop Stop Low Tristate 66.6 60 50 33.3 66.6 60 50 33.3 33.3 30 25 16.7 33.3 30 25 16.7 F 3 F/2 Run Stop Low Tristate 33.3 30 25 16.7 66.6 60 50 33.3 16.7 15 12.5 8.3 33.3 30 25 16.7 F 3 F/2 Run Stop Low Tristate 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 24, 12, 14 L, L, 14 L, L, 14 Tristate |
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