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PRELIMINARY
CY28324
Document #: 38-07002 Rev. *B
Page 8 of 23
Data Byte 2
Bit
Pin#
Name
Pin Description
Power-On
Default
Bit 7
--
Reserved
Reserved
0
Bit 6
17
PCI6
(Active/Inactive)
1
Bit 5
16
PCI5
(Active/Inactive)
1
Bit 4
15
PCI4
(Active/Inactive)
1
Bit 3
14
PCI3
(Active/Inactive)
1
Bit 2
12
PCI2
(Active/Inactive)
1
Bit 1
11
PCI1
(Active/Inactive)
1
Bit 0
10
PCI0
(Active/Inactive)
1
Data Byte 3
Bit
Pin#
Name
Pin Description
Power-On
Default
Bit 7
8
PCI_F2
(Active/Inactive)
1
Bit 6
7
PCI_F1
(Active/Inactive)
1
Bit 5
6
PCI_F0
(Active/Inactive)
1
Bit 4
--
Reserved
Reserved
0
Bit 3
44, 45
3VMREF#, 3VMREF
(Active/Inactive)
1
Bit 2
--
Reserved
Reserved
0
Bit 1
1
REF1
(Active/Inactive)
1
Bit 0
48
REF0
(Active/Inactive)
1
Data Byte 4
Bit
Pin#
Name
Pin Description
Power-On
Default
Bit 7
--
MULTSEL_Override
This bit control the selection of IREF multiplier.
0 = HW control; IREF multiplier is determined by MULT-
SEL[0:1] input pins
1 = SW control; IREF multiplier is determined by Byte[4],
Bit[5:6].
0
Bit 6
--
SW_MULTSEL1
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
0
Bit 5
--
SW_MULTSEL0
0
Bit 4
--
Reserved
Reserved
Reserved
Bit 3
--
Reserved
Reserved
Reserved
Bit 2
--
Reserved
Reserved
Reserved
Bit 1
--
CPU1 Stop Control
0 = Not free running
1 = Free running; not affected by CPU_STOP#
0
Bit 0
--
CPU0 Stop Control
0 = Not free running
1 = Free running; not affected by CPU_STOP#
0
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