5-3
C2K User’s Guide
Resources
5.1.4 Multi-Purpose Pins (MPP)
The MV64460 System Controller provides a 32-pin Multi-Purpose Pins (MPP) interface. Table
5-4 lists the MPP signal assignments.
Table 5-4
MV64460 System Controller MPP pin assignments
MPP
Assignment
MPP
Assignment
0
PCI1_GNT0 (PMC1)
16
PCI0_GNT0 (PMC0)
1
PCI1_REQ0 (PMC1)
17
PCI0_REQ0 (PMC0)
2
PCI1_GNT1 (PCI 6254)
18
WDOG_NMI
3
PCI1_REQ1 (PCI 6254)
19
WDOG_EXP
4
PCI1_GNT2 (PCI2050B)
20
RTC_INT
5
PCI1_REQ2 (PCI2050B)
21
TEMP_INT
6
PCI1_GNT3 (GD31244)
22
ETH_PHY_INT
7
PCI1_REQ3 (GD31244)
23
GPIO_INT
8
S0_TXD
24
FPGA_INT
9
S1_SCLK
25
TC_NT0
10
S1_TSCLK
26
TC_EN1
11
S1_RXD
27
USB_INT
12
S1_TXD
28
CNTR_INT
13
S0_SCLK
29
TC_NT2
14
S0_TSCLK
30
TC_EN3
15
S0_RXD
31
SATA_INT
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