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SL28541BZCT 数据表(PDF) 13 Page - Silicon Laboratories |
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SL28541BZCT 数据表(HTML) 13 Page - Silicon Laboratories |
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13 / 31 page ![]() SL28541 ...................... DOC #: SP-AP-0063 (Rev. AA) Page 13 of 31 5 1 PLL2_EN PLL2 power down 0 = Power down, 1 = Power up 4 1 SRC_DIV_EN SRC divider disable 0 = Disabled, 1 = Enabled 3 1 PCI_DIV_EN PCI divider disable 0 = Disabled, 1 = Enabled 2 1 CPU_DIV_EN CPU divider disable 0 = Disabled, 1 = Enabled 1 1 CPU1 Stop Enable Enable CPU_STP# control of CPU1 0 = Free running, 1= Stoppable 0 1 CPU0 Stop Enable Enable CPU_STP# control of CPU0 0 = Free running, 1= Stoppable Byte 10: Control Register 10 (continued) Bit @Pup Name Description Byte 11: Control Register 11 Bit @Pup Name Description 7 0 Reserved Reserved 6 0 Reserved Reserved 5 0 Reserved Reserved 4 0 Reserved Reserved 3 0 Reserved Reserved 2 0 Reserved Reserved 1 0 Reserved Reserved 0 0 Reserved Reserved Byte 12: Byte Count Bit @Pup Name Description 7 0 Reserved Reserved 6 0 Reserved Reserved 5 0 BC5 Byte count register for block read operation. The default value for Byte count is 19. In order to read beyond Byte 19, the user should change the byte count limit.to or beyond the byte that is desired to be read. 41 BC4 30 BC3 20 BC2 11 BC1 01 BC0 Byte 13: Control Register 13 Bit @Pup Name Description 7 1 USB_BIT1 USB drive strength 1 of 3(See Byte 17 for more setting) 0 = Low, 1= High 6 1 PCI/ PCIF_BIT1 PCI drive strength 1 of 3(See Byte 17 & 18 for more setting) 0 = Low, 1 = High 5 0 PLL1_Spread Select percentage of spread for PLL1 0 = 0.5%, 1=1% 4 1 SATA_SS_EN Enable SATA spread modulation, 0 = Spread Disabled, 1 = Spread Enabled 3 1 CPU[T/C]2 Allow control of CPU2 with assertion of CPU_STP# 0 = Free running, 1 = Stopped with CPU_STP# |
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