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3.3.4 CRT
Signal name
(6 pins in total)
CRTR,CRTG,CRTB
CRTHSYNC,
CRTVSYNC
3.3.5 Hard disk (IDE)
Signal name
(28 pins in total)
IDED[15:0]
IDEA[2:0]
IDEIOR#,IDEIOW#
IDECS1FX#,IDECS3FX#
IDERDY
IDEINT(IRQ14)
IDEDRQ
IDEACK#
IDERESET#
*: No pull-up resistance is required for IDE[15:0].
3.3.6 USB
SCE8720C supports 2 ports of USB complying with the Open HCI.
Signal name
(6 pins in total)
USB DP1, USBDM1
USB DP0, USBDM0
USBON
USBCUR#
Rev.A
I/O
O
R, G and B signals for CRT.
O
Horizontal and vertical synchronous signals for CRT.
I/O
I/O
IDE data bus (*)
O
IDE address bus
O
IO read or write signal for IDE.
O
Chip select signal for IDE.
I
IO ready signal for IDE.
I
IDE interrupt signal.
I
DMA transfer request signal for IDE.
O
DMA acknowledge signal for IDE.
O
Reset signal for IDE.
I/O
I/O
Plus and minus data of USB port 1.
I/O
Plus and minus data of USB port 0.
O
Power supply control signal of USB (Power-ON)
I
Over-current detection signal of USB.
EPSON
CARD-PCI/GX Hardware Manual
Function description
Function description
Function description
31
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