CY28344
Data Byte 2
Power On
Default
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin#
--
Name
Pin Description
Reserved
PCI6
Reserved
0
1
1
1
1
1
1
1
17
16
15
12
11
10
9
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
Data Byte 3
Power On
Default
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin#
34
35
--
Name
Pin Description
24_48MHz
48MHz
(Active/Inactive)
(Active/Inactive)
Reserved
1
1
0
0
0
1
1
1
Reserved
Reserved
--
Reserved
31
31
6
3V66_0/VCH_CLK
3V66_0/VCH_CLK
PCI_F1
0 = 66 MHz; 1 = 48 MHz
(Active/Inactive)
(Active/Inactive)
5
PCI_F0
(Active/Inactive)
Data Byte 4
Power On
Default
Bit
Pin#
Name
Pin Description
Bit 7
--
MULTSEL_Override
This bit control the selection of IREF multiple.
0 = HW control; IREF multiplier is determined by
MULTSEL[0:1] input pins
0
1 = SW control; IREF multiplier is determined by Byte[4],
Bit[5:6].
Bit 6
Bit 5
--
--
SW_MULTSEL1
SW_MULTSEL0
IREF multiplier
0
0
00 = Ioh is 4 × IREF
01 = Ioh is 5 × IREF
10 = Ioh is 6 × IREF
11 = Ioh is 7 × IREF
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
48
--
REF_2X
REF_DRV
3V66_3
3V66_2
3V66_1
(Active/Inactive) Drive
0 = Normal, 1 = HIGH
(Active/Inactive)
1
0
1
1
1
22
21
20
(Active/Inactive)
(Active/Inactive)
Rev 1.0,November 21, 2006
Page 6 of 21
SPECTRALINEAR [ SPECTRALINEAR INC ]
