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S3C2510A Datasheet(PDF) 11 Page - Samsung semiconductor |
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S3C2510A Datasheet(HTML) 11 Page - Samsung semiconductor |
11 / 46 page S3C2510A PRODUCT OVERVIEW 1-11 Table 1-1. S3C2510A Pin List and PAD Type S3C2510A Pin List and PAD Type (Continued) Group Pin Name Pin No. I/O Type Pad Type Description System Configurations (21) CLKMOD[1] CLKMOD[0] AB4 AC2 I phic The CLKMOD pin determines internal clock scheme of S3C2510A. When CLKMOD is “00”, the nfast clock mode is defined. In this mode, the same clock is used as CPU clock and system clock. When CLKMOD is “01” or “10”, the sync mode is defined. In this mode, the system clock is half frequency of the CPU clock. When CLKMOD is "11", the async clock mode is defined. In this mode, the CPU clock and system clock can operate independently as long as the CPU clock is faster than system clock. In this case, BUS_FREQ[2:0] pins should be 3b’000 to select PCI PLL, 3b’001 to select USB PLL for programmable setting. CPU_FREQ[2] CPU_FREQ[1] CPU_FREQ[0] AE1 AD1 AC3 I phic CPU Clock Frequency Selection. BUS_FREQ[2] BUS_FREQ[1] BUS_FREQ[0] AD2 AB3 AC1 I phic System Bus Clock Frequency Selection. nRESET AB2 I phis Not Reset. NRESET is the global reset input for the S3C2510A and nRESET must be held to "low" for at least 64 clock cycles for digital filtering. TMODE AF3 I phicd Test Mode. The TMODE pin setting is interpreted as follows: 0 = normal operating mode 1 = chip test mode. BIG W3 I phicd BIG endian mode select pin. When this pin is set to “0”, the S3C2510A operates in litte endian mode. When this pin is set to “1”, the S3C2510A operates in big endian mode. PCI_PCCDM AA2 I phic PCI(1'b0) or PC Card(1'b1) Mode Select of PCI & PC Card Controller PCI_HOSTM Y3 I phic Host (1'b1) or Agent (1'b0) Mode Select of PCI & PC Card Controller |
Similar Part No. - S3C2510A |
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Similar Description - S3C2510A |
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