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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HD151TS207SS датащи(PDF) 22 Page - Renesas Technology Corp |
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HD151TS207SS датащи(HTML) 22 Page - Renesas Technology Corp |
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22 / 38 page  HD151TS207SS Rev.1.00, Apr.25.2003, page 22 of 38 I 2C Controlled Register Bit Map (cont.) Byte26 Control Register Bit Description Contents Type Default Note 7 PCIF / PCI Clock Skew2 Control Bit3 R/W 0 6 PCIF / PCI Clock Skew2 Control Bit2 R/W 0 5 PCIF / PCI Clock Skew2 Control Bit1 R/W 0 4 PCIF / PCI Clock Skew2 Control Bit0 Skew2 is “Late” Skew that is Delay Time from “Normal” Skew1. 0000 = +0.0ns, 1000 = +3.2ns 0001 = +0.4ns, 1001 = +3.6ns 0010 = +0.8ns, 1010 = +4.0ns 0011 = +1.2ns, 1011 = +4.4ns 0100 = +1.6ns, 1100 = +4.8ns 0101 = +2.0ns, 1101 = +5.2ns 0110 = +2.4ns, 1110 = +5.6ns 0111 = +2.8ns, 1111 = +6.0ns R/W 0 See Note 1 3 PCIF / PCI Clock Skew1 Control Bit3 R/W 1 2 PCIF / PCI Clock Skew1 Control Bit2 R/W 0 1 PCIF / PCI Clock Skew1 Control Bit1 R/W 0 0 PCIF / PCI Clock Skew1 Control Bit0 Skew1 is “Normal” Skew. Delay Ahead 1000 = +0.0ns, 0111 = –0.4ns 1001 = +0.4ns, 0110 = –0.8ns 1010 = +0.8ns, 0101 = –1.2ns 1011 = +1.2ns, 0100 = –1.6ns 1100 = +1.6ns, 0011 = –2.0ns 1101 = +2.0ns, 0010 = –2.4ns 1110 = +2.4ns, 0001 = –2.8ns 1111 = +2.8ns, 0000 = –3.2ns R/W 0 See Note 1 Note: 1. PCIF / PCI Clock Skew is Skew1 (= Normal) or Skew1+Skew2 (= Late). Byte27 Control Register Bit Description Contents Type Default Note 7 Reserved R/W 0 6 PCIF_2 Skew Select Bit 0 = Normal, 1 = Late R/W 0 5 PCIF_1 Skew Select Bit 0 = Normal, 1 = Late R/W 0 4 PCIF_0 Skew Select Bit 0 = Normal, 1 = Late R/W 0 See Note 1 3 3V66 Clock Skew Control Bit3 R/W 1 2 3V66 Clock Skew Control Bit2 R/W 0 1 3V66 Clock Skew Control Bit1 R/W 0 0 3V66 Clock Skew Control Bit0 Delay Ahead 1000 = +0.0ns, 0111 = –0.4ns 1001 = +0.4ns, 0110 = –0.8ns 1010 = +0.8ns, 0101 = –1.2ns 1011 = +1.2ns, 0100 = –1.6ns 1100 = +1.6ns, 0011 = –2.0ns 1101 = +2.0ns, 0010 = –2.4ns 1110 = +2.4ns, 0001 = –2.8ns 1111 = +2.8ns, 0000 = –3.2ns R/W 0 Note: 1. Normal = Skew1(B26[3:0]), Late = Skew1(B26[3:0]) +Skew2 (B26[7:4]). |
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