AMD SP5100 Databook
44409 Rev. 1.70 October 10
36
Signal Description
Pin Name
Type
Voltage
Functional Description
IDE_IORDY/FC_FBCKIN
I
3.3 V (5-V Tolerance)
IDE IO Ready
IDE_IRQ/FC_INT2
I
3.3 V (5-V Tolerance)
IDE Interrupt Request/
IDE_A0/FC_OE#
O
3.3 V (5-V Tolerance)
IDE Address bus bit 0
IDE_A1/FC_FBCLKOUT
O
3.3 V (5-V Tolerance)
IDE Address bus bit 1
IDE_A2
O
3.3 V (5-V Tolerance)
IDE Address bus bit 2
IDE_DACK#/FC_AVD#
O
3.3 V (5-V Tolerance)
IDE DMA ACK
IDE_DRQ/FC_INT2
I
3.3 V (5-V Tolerance)
IDE DMA Request/
IDE_IOR#/FC_CLK
O
3.3 V (5-V Tolerance)
IDE IO Read/
IDE_IOW#/FC_WE#
O
3.3 V (5-V Tolerance)
IDE IO Write
IDE_CS1#/FC_CE#
O
3.3 V (5-V Tolerance)
IDE chip select for I/O 1xxh address
IDE_CS3#/FC_CE2#
O
3.3 V (5-V Tolerance)
IDE chip select for I/O 3xxh address
IDE_D[15:0]/FC_ADQ[15:0]/
GPIO[30:15]
I/O
3.3 V (5-V Tolerance)
IDE data bus bit [15:0] / GPIO [30:15]
IDE_RST#/FC_RST#/
IMC_GPO3
O
S5_3.3V (5-V Tolerance) IDE reset/ IMC GPIO3
7.7
Serial ATA Interface
Pin Name
Type
Voltage
Functional Description
SATA_ACT#/GPIO67
OD
3.3 V
SATA Channel Active / GPIO 67
SATA_CAL
I
1.2 V (Filtered)
SATA Calibration
SATA_RX[5:0] -
I
1.2 V (Filtered)
SATA Channel[5:0] Receive Negative
SATA_RX[5:0] +
I
1.2 V (Filtered)
SATA Channel[5:0] Receive Positive
SATA_TX[5:0] -
O
1.2 V (Filtered)
SATA Channel[5:0] Transmit Negative
SATA_TX[5:0] +
O
1.2 V (Filtered)
SATA Channel[5:0] Transmit Positive
SATA_X1
I
3.3 V (Filtered)
SATA Crystal Input.
SATA_X2
O
3.3 V (Filtered)
SATA Crystal Output
SATA_IS0#/GPIO10
I/O
3.3 V
SATA Interlock Switch Port 0 (Input) / GPIO 10
SATA_IS1#/GPIO6
I/O
3.3 V
SATA Interlock Switch Port 1 (Input) / GPIO 6
SMARTVOLT1/
SATA_IS2#/GPIO4
I/O
3.3 V
Reduce system voltages / SATA Interlock Switch Port 2
(input) / GPIO 4
SATA_IS3#/CLK_REQ0#/
GPIO0
I/O
3.3 V
SATA Interlock Switch Port 3 (input) / PCI Express
®
clock
request / GPIO0
SATA_IS4#/CLK_REQ1#/
FANOUT3/GPIO39
I/O
3.3 V
SATA Interlock Switch Port 4 (input) / PCI Express clock
request/ Fan Output 3 / GPIO39