CY28344 Cypress Semiconductor, CY28344 Datasheet - Page 6

• Manufacturer Part Number: CY28344
• Description: FTG
• Manufacturer: Cypress Semiconductor

Data Byte 2
Data Byte 3
Data Byte 4
Document #: 38-07113, Rev. *A
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit
Bit
Bit
Pin#
Pin#
Pin#
17
16
15
12
11
10
34
35
31
31
48
22
21
20
--
--
--
--
--
--
--
9
6
5
Reserved
PCI6
PCI5
PCI4
PCI3
PCI2
PCI1
PCI0
24_48MHz
48MHz
Reserved
Reserved
3V66_0/VCH_CLK
3V66_0/VCH_CLK
PCI_F1
PCI_F0
MULTSEL_Override
SW_MULTSEL1
SW_MULTSEL0
REF_2X
REF_DRV
3V66_3
3V66_2
3V66_1
Name
Name
Name
PRELIMINARY
Reserved
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Reserved
Reserved
0 = 66 MHz; 1 = 48 MHz
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
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 × IREF
01 = Ioh is 5 × IREF
10 = Ioh is 6 × IREF
11 = Ioh is 7 × IREF
(Active/Inactive) Drive
0 = Normal, 1 = HIGH
(Active/Inactive)
(Active/Inactive)
(Active/Inactive)
Pin Description
Pin Description
Pin Description
CY28344
Page 6 of 22
Power On
Power On
Power On
Default
Default
Default
0
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
0
0
0
1
0
1
1
1