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IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet 52
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
UPX_DATA31
UPX_DATA30
UPX_DATA29
UPX_DATA28
UPX_DATA27
UPX_DATA26
UPX_DATA25
UPX_DATA24
UPX_DATA23
UPX_DATA22
UPX_DATA21
UPX_DATA20
UPX_DATA19
UPX_DATA18
UPX_DATA17
UPX_DATA16
UPX_DATA15
UPX_DATA14
UPX_DATA13
UPX_DATA12
UPX_DATA11
UPX_DATA10
UPX_DATA9
UPX_DATA8
UPX_DATA7
UPX_DATA6
UPX_DATA5
UPX_DATA4
UPX_DATA3
UPX_DATA2
UPX_DATA1
UPX_DATA0
L17
J17
H16
J16
M15
N15
K15
H14
K13
G12
K12
G11
H11
G10
K10
M10
N10
J9
H9
L8
N7
L7
L6
P5
K5
M5
N5
L4
M3
L3
K3
L2
Input/
Output
3.3 V LVTTL
Data bus.
32-bit mode: Uses [31:0]
16-bit mode: Uses [15:0]
8-bit mode: Uses [7:0]
UPX_CS_L R3 Input 3.3 V LVTTL Chip Select. Active Low.
UPX_WR_L T4 Input 3.3 V LVTTL Write Strobe. Active Low.
UPX_RD_L V6 Input 3.3 V LVTTL Read Strobe. Active Low.
UPX_RDY_L M1
Open
Drain
Output*
3.3 V LVTTL
Cycle complete indicator.
Active Low.
NOTE: An external pull-up resistor is required for
proper operation.
NOTE: *Dual-mode I/O
Normal operation: Open drain output
Boundary Scan Mode: Standard CMOS
output
UPX_WIDTH1
UPX_WIDTH0
T5
U16
Input 3.3 V LVTTL
Data bus width select.
UPX_WIDTH[1:0] specifies the CPU bus width.
UPX_WIDTH[1:0]
00
01
1x
Mode
8-bit
16-bit
32-bit
Table 7. CPU Interface Signal Descriptions (Sheet 2 of 2)
Signal Name
Ball
Designator
Type Standard Description