CY7C68310 CYPRESS [Cypress Semiconductor], CY7C68310 Datasheet - Page 4

• Manufacturer Part Number: CY7C68310
• Manufacturer: CYPRESS [Cypress Semiconductor]

4.2
Document 38-08030 Rev. *H
70, 68, 71
21, 47, 60
3, 17, 40,
7, 24, 50,
12,14,16
Number
1, 4, 10,
72, 73
59, 80
61, 69
Pin
63
64
65
66
67
74
75
76
77
78
79
11
13
15
Pin Overview
VBUSPWRVLD
SDA_nlMODE
VBUSPWRD
Pin Name
ATAPUEN
nPWR500
DISKRDY
nDMACK
nCS[0:1]
PVDD25
AVDD25
ATAIRQ
DA[0:2]
IORDY
VDD25
VDD33
nDIOR
RREF
AVSS
SCL
VSS
(continued)
Direction
Pin
I/O
O
O
O
O
O
O
O
I
I
I
I
I
Schmitt input
Schmitt input
high-Z driver,
high-Z driver,
high-Z driver,
Schmitt input
Schmitt input
Schmitt input
Schmitt input
5V-tolerant,
5V-tolerant,
5V-tolerant,
5V-tolerant,
5V-tolerant,
5V-tolerant,
5V-tolerant,
5V-tolerant,
3.3V drive,
5V-tolerant
3.3V drive,
3.3V drive,
5V-tolerant
3.3V drive,
3.3V drive,
5V-tolerant
5V-tolerant
5V-tolerant
6 mA I
Pin Type
6 mA I
6 mA I
6 mA I
6 mA I
6 mA I
6 mA I
6 mA I
Power
Power
Power
Power
Power
Power
Power
OL
OL
OL
OL
OL
OL
OL
OL
,
ATA control signal.
ATA control signal.
ATA IORDY pull-up connection. For VBUS-powered systems.
ATA control signal.
ATA interrupt request.
ATA address signals.
ATA chip select signals.
Active LOW. VBUS power granted indicator.
‘0’ = VBUS power up to bMaxPower value
‘high-Z’ = bMaxPower value not granted (if more than 100 mA)
I
the I
I
Configurable polarity. Device ready.
Active HIGH. Bus-powered operation select pin.
‘1’ = Bus powered
‘0’ = Self powered
Active HIGH. Indicates that VBUS power is present.
Digital ground.
2.5V digital supply.
3.3V digital supply.
Analog 2.5V supply (PLL).
Analog ground.
PLL voltage reference. Current source for 2.4k (1%) resistor
connected to AVSS.
Analog 2.5V supply.
2
2
C-compatible clock. This pin may be left as a no-connect pin if
C-compatible address/data or nIMODE select.
2
C-compatible interface is not utilized.
Pin Description
CY7C68310
Page 4 of 34