PRELIMINARY
Data Byte 1
(continued)
Bit
Bit 2
Bit 1
Bit 0
Data Byte 2
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Data Byte 3
Bit
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Data Byte 4
Bit
Bit 7
Pin#
--
Name
MULTSEL_Override
Pin Description
Pin#
8
7
6
--
44, 45
--
1
48
PCI_F2
PCI_F1
PCI_F0
Reserved
CPU_ITP, CPU_ITP#
Reserved
REF1
REF0
Name
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Reserved
(Active/Inactive)
Reserved
(Active/Inactive)
(Active/Inactive)
Pin Description
Pin#
--
17
16
15
14
12
11
10
Reserved
PCI6
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
Name
Reserved
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Pin Description
Pin#
28
30
31
3V66_2
3V66_1
3V66_0
Name
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Description
CY28323
Power On
Default
1
1
1
Power On
Default
0
1
1
1
1
1
1
1
Power On
Default
1
1
1
0
1
0
1
1
Power On
Default
0
This bit control the selection of IREF multiple.
0 = HW control; IREF multiplier is determined by
MULTSEL[0:1] input pins
1 = SW control; IREF multiplier is determined by Byte[4],
Bit[5:6].
IREF multiplier
00 = Ioh is 4 x IREF
01 = Ioh is 5 x IREF
10 = Ioh is 6 x IREF
11 = Ioh is 7 x IREF
Reserved
Reserved
Reserved
Reserved
Reserved
Bit 6
Bit 5
--
--
SW_MULTSEL1
SW_MULTSEL0
0
0
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
--
--
--
--
--
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Document #: 38-07004 Rev. *B
Page 7 of 22
CYPRESS [ CYPRESS SEMICONDUCTOR ]
