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CS1301 数据表(PDF) 22 Page - National Semiconductor (TI) |
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CS1301 数据表(HTML) 22 Page - National Semiconductor (TI) |
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22 / 25 page ![]() www.national.com 22 Revision 2.2 Signal Definitions (Continued) 2.3 REFERENCE VOLTAGES Outputs always drive to a level determined by the 3.3V I/O voltage, with the exception of Open Drain mode outputs. VREF_PERIPH and VREF_PCI determine input voltage clamping, not input signal thresholds or output levels. VREF_PCI Determined Mode VREF_PERIPH Determined Mode SDRAM Interface (3.3V Mode) Inputs (3.3V Mode) Output Only Pins PCI_AD00 PCI_AD27 TRI_USERIRQ MM_CLK0 MM_DQM2 TRI_CLKIN VO_DATA0 PCI_AD01 PCI_AD28 TRI_TIMER_CLK MM_CLK1 MM_DQM3 BOOT_CLK VO_DATA1 PCI_AD02 PCI_AD29 JTAG_TDI MM_A00 MM_DQ13 TESTMODE VO_DATA2 PCI_AD03 PCI_AD30 JTAG_TDO MM_A01 MM_DQ14 SCANCPU VO_DATA3 PCI_AD04 PCI_AD31 JTAG_TCK MM_A02 MM_DQ15 VO_DATA4 PCI_AD05 PCI_CLK JTAG_TMS MM_A03 MM_DQ16 VO_DATA5 PCI_AD06 PCI_C/BE#0 VI_CKL MM_A04 MM_DQ17 VO_DATA6 PCI_AD07 PCI_C/BE#1 VI_DVALID MM_A05 MM_DQ18 VO_DATA7 PCI_AD08 PCI_C/BE#2 VI_DATA0 MM_A06 MM_DQ19 AO_OSCLK PCI_AD09 PCI_C/BE#3 VI_DATA1 MM_A07 MM_DQ20 AO_SCK PCI_AD10 PCI_PAR VI_DATA2 MM_A08 MM_DQ21 AO_SD1 PCI_AD11 PCI_FRAME# VI_DATA3 MM_A09 MM_DQ22 AO_SD2 PCI_AD12 PCI_IRDY# VI_DATA4 MM_A10 MM_DQ23 AO_SD3 PCI_AD13 PCI_TRDY# VI_DATA5 MM_A11 MM_DQ24 AO_SD4 PCI_AD14 PCI_STOP# VI_DATA6 MM_A12 MM_DQ25 SPDO PCI_AD15 PCI_IDSEL VI_DATA7 MM_A13 MM_DQ26 PCI_AD16 PCI_DEVSEL# VI_DATA8 MM_DQ00 MM_DQ27 PCI_AD17 PCI_REQ# VI_DATA9 MM_DQ01 MM_DQ28 PCI_AD18 PCI_GNT# IIC_SDA MM_DQ02 MM_DQ29 PCI_AD19 PCI_PERR# IIC_SCL MM_DQ03 MM_DQ30 PCI_AD20 PCI_SERR# VO_IO1 MM_DQ04 MM_DQ31 PCI_AD21 PCI_INTA# VO_IO2 MM_DQ05 MM_CKE0 PCI_AD22 PCI_INTB# VO_CLK MM_DQ06 MM_CKE1 PCI_AD23 PCI_INTC# AI_SCK MM_DQ07 MM_CS0# PCI_AD24 PCI_INTD# AI_SD MM_DQ08 MM_CS1# PCI_AD25 TRI_RESET# AI_WS MM_DQ09 MM_CS2# PCI_AD26 AO_SCK MM_DQ10 MM_CS3# AO_WS MM_DQ11 MM_RAS# MM_DQ12 MM_CAS# MM_DQM0 MM_WE# MM_DQM1 |
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