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HD151TS207SS датащи(PDF) 14 Page - Renesas Technology Corp |
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HD151TS207SS датащи(HTML) 14 Page - Renesas Technology Corp |
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14 / 38 page ![]() HD151TS207SS Rev.1.00, Apr.25.2003, page 14 of 38 I 2C Controlled Register Bit Map (cont.) Byte10 Control Register Bit Description Contents Type Default Note 7 RW 0 6 RW 0 5 SSC Spread Select Bit[2:0] Bit[2:0] = 000 = –0.500%, 100 = ±0.250% 001 = –0.750%, 101 = ±0.375% 010 = –1.000%, 110 = ±0.500% 011 = –1.500%, 111 = ±0.750% RW 0 4 Backup of latch Input FS_4 at Power ON RX 3 Backup of latch Input FS_3 at Power ON RX 2 Backup of latch Input FS_2 at Power ON RX 1 Backup of latch Input FS_A at Power ON RX 0 Backup of latch Input FS_B at Power ON When SAFE_F# is Enable (B15[5]=1) PWRDWN#/SAFE_F# pin to “Low”, and if B23[1]=0, frequency selection is changed to these setting and PWRDWN#/SAFE_F# pin to “High”, frequency selection is changed back to the last mode. RX Byte11 Control Register Bit Description Contents Type Default Note 7 PCI_STOP# Enable Control Bit 0 = Enable , 1 = Disable RW 0 6 CPU_STOP# Enable Control Bit 0 = Enable , 1 = Disable RW 0 5 PWRDWN# Enable Control Bit 0 = Enable , 1 = Disable RW 0 4 Backup of B9[5] written by I 2CR X 3 Backup of B9[4] written by I 2CR X 2 Backup of B9[3] written by I 2CR X 1 Backup of B9[2] written by I 2CR X 0 Backup of B9[1] written by I 2C When SAFE_F# is Enable (B15[5]=1) PWRDWN#/SAFE_F# pin to “Low”, and if B23[1]=1, frequency selection is changed to these setting and PWRDWN#/SAFE_F# pin to “High”, frequency selection is changed back to the last mode. RX |
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