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ICS951402 数据表(PDF) 7 Page - Integrated Circuit Systems |
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ICS951402 数据表(HTML) 7 Page - Integrated Circuit Systems |
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7 / 23 page ![]() 7 Integrated Circuit Systems, Inc. ICS951402 Advance Information 0660—05/05/05 I 2C Table: Reserved Register Byte 3 Pin # Name Control Function Type 0 1 PWD Bit 7 - Reserved Reserved RW - - 1 Bit 6 - Reserved Reserved RW - - 1 Bit 5 - Reserved Reserved RW - - 1 Bit 4 - Reserved Reserved RW - - 1 Bit 3 - Reserved Reserved RW - - 1 Bit 2 - Reserved Reserved RW - - 1 Bit 1 - Reserved Reserved RW - - 1 Bit 0 - Reserved Reserved RW - - 1 I 2C Table: Functionality and Frequency Select Register Byte 4 Pin # Name Control Function Type 0 1 PWD Bit 7 - FS3 Freq Select Bit 7 RW 0 Bit 6 - FS2 Freq Select Bit 6 RW 0 Bit 5 - FS1 Freq Select Bit 5 RW 0 Bit 4 - FS0 Freq Select Bit 4 RW See Frequency Table 0 Bit 3 - FS Source Frequency H/W or IIC Select RW Latch Input IIC 0 Bit 2 - FS4 Freq Select Bit 2 RW See Frequency Table 0 Bit 1 - SS_EN SPREAD Enable RW OFF ON 1 Bit 0 - All Outputs Output Control RW Normal Tri-state 0 Note: If Byte4 bit1 = 0 then FS4=0 I 2C Table: Output Control and Read Back Register Byte 5 Pin # Name Control Function Type 0 1 PWD Bit 7 31 AGP1 Output Control RW Disable Enable 1 Bit 6 32 AGP0 Output Control RW Disable Enable 1 Bit 5 26 24_48#SEL 24 or 48 Select RW 48MHz 24MHz X Bit 4 - FS4RB FS4 Read back R - - X Bit 3 - FS3RB FS3 Read back R - - X Bit 2 - FS2RB FS2 Read back R - - X Bit 1 - FS1RB FS1 Read back R - - X Bit 0 - FS0RB FS0 Read back R - - X |
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