CY7C67300-100AXAT Cypress Semiconductor Corp, CY7C67300-100AXAT Datasheet - Page 6

• Manufacturer Part Number: CY7C67300-100AXAT
• Description: IC,Peripheral (Multifunction) Controller,QFP,100PIN
• Manufacturer: Cypress Semiconductor Corp
• Series: EZ-Host™r

Specifications of CY7C67300-100AXAT

• Applications: USB Host/Peripheral Controller
• Core Processor: CY16
• Program Memory Type: ROM (8 kB)
• Controller Series: CY7C673xx
• Ram Size: 16K x 8
• Interface: SPI Serial, USB, HPI
• Number Of I /o: 32
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: CY4640 - KIT MASS STORAGE REF DESIGNCY3663 - KIT DEV EZ-OTG/EZ-HOST
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

External Memory Interface Pins
Table 6. External Memory Interface Pins
Document #: 38-08015 Rev. *J
nXMEMSEL (optional nCS)
nXROMSEL (ROM nCS)
nXRAMSEL (RAM nCS)
Pin Name
nBEL/A0
nBEH
nWR
nRD
A18
A17
A16
A15
A14
A13
A12
A10
D15
D14
D13
D12
D10
A11
D11
A9
A8
A7
A6
A5
A4
A3
A2
A1
D9
D8
D7
D6
D5
D4
Pin Number
64
62
34
35
36
95
96
97
38
33
32
31
30
27
25
24
20
17
99
98
67
68
69
70
71
72
73
74
76
77
78
79
8
7
3
2
1
Table 6. External Memory Interface Pins (continued)
External Memory Interface Block Diagrams
Figure 2
(SRAM/ROM) to the EZ-Host external memory interface.
Figure 2. Interfacing to 64k × 8 Memory Array
Figure 3
16-bit RAM to the EZ-Host external memory interface. In 16-bit
mode, up to 256K words of external ROM or RAM are supported.
Note that the address lines do not map directly.
Figure 3. Interfacing up to 256k × 16 for External Code/Data
Up to 256k x 16 External Code/Data (Page Mode)
Interfacing to 64K x 8 External Memory Array
CY7C67300
CY7C67300
illustrates the interface for connecting a 16-bit ROM or
illustrates how to connect a 64k × 8 memory array
EZ-Host
EZ-Host
Pin Name
nXMEMSEL
nXRAMSEL
D3
D2
D1
D0
A[15:0]
A[18:1]
D[15:0]
D[7:0]
nBEH
nBEL
nWR
nWR
nRD
nRD
A[15:0]
D[7:0]
CE
WE
OE
A[17:0]
D[15:0]
CE
BLE
BHE
WE
OE
Pin Number
External Memory Array
External Memory Array
Up to 256k x 16
CY7C67300
80
81
82
83
64K x 8
Page 6 of 99
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