参数资料
型号: SL11RIDE
厂商: CYPRESS SEMICONDUCTOR CORP
元件分类: 总线控制器
英文描述: USB to IDE/ATAPI Solution
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 17/27页
文件大小: 317K
代理商: SL11RIDE
SL11RIDE
Document #: 38-08007 Rev. **
Page 24 of 27
10.7
Design ATAPI/IDE Device Behaves Like Floppy Disk Drive
This design applies to small and low power consumption ATAPI/IDE devices such as Compact Flash, CLIK, MicroDrives, and
Smart Media cards. This is an advantage for users to exchange media cards (i.e. MP3) from the SL11RIDE board without plugging
or unplugging the USB cable.
This requires three free GPIO signals:
GPIO 19-CD_DET: Card Detect
GPIO 25-PWC_RESET: Power Hardware Reset
GPIO 26-PWC: Power Control
VDD
75
Power
+3.3 VDC Supply
P3
76
GPIO18
Output
P Register or USB_PU (USB DATA+ pull up)
P2
77
GPIO17
Output
P Register
P1
78
GPIO16
Output
P Register
GND
79
GND
Digital ground
P6
80
GPIO15
Output
P Register
P7
81
GPIO14
Output
P Register
P8
82
GPIO13
Output
P Register
GPIO12
83
GPIO12
Bidir
GPIO12
DATAS
84
GPIO11
Bidir
DATA Strobe for Serial EPROM
VREQ
85
GPIO10
Input
TBD
WAIT
86
GPIO9
Bidir
EPP WAIT signal
VDD1
87
Power
USB +3.3 VDC Supply.
DATA+
88
Bidir
USB Differential DATA Signal High Side
DATA–
89
Bidir
USB Differential DATA Signal Low Side
GND1
90
GND
USB Digital Ground
INTR
91
GPIO8
Input
EPP INTR pin
SD7
92
GPIO7
Bidir
EPP Data bit 7
SD6
93
GPIO6
Bidir
EPP Data bit 6
SD5
94
GPIO5
Bidir
EPP Data bit 5
SD4
95
GPIO4
Bidir
EPP Data bit 4
SD3
96
GPIO3
Bidir
EPP Data bit 3
SD2
97
GPIO2
Bidir
EPP Data bit 2
SD1
98
GPIO1
Bidir
EPP Data bit 1
SD0
99
GPIO0
Bidir
EPP Data bit 0
VDD
100
Power
+3.3 VDC Supply
Table 10-5. Fast EPP Pin Assignment and Description (continued)
Pin Name
Pin No.
GPIO Pins
Pin Type
GPIO & Fast EPP Pin Chip Revision 1.1
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