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HD151TS207SS датащи(PDF) 14 Page - Renesas Technology Corp

номер детали HD151TS207SS
подробное описание детали  Mother Board Clock Generator for Intel P4 Chipset (Springdale)
PDF  38 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD151TS207SS датащи(HTML) 14 Page - Renesas Technology Corp

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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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