Cypress CY7C656xx Computer Drive User Manual


 
CY7C656x
x
PRELIMINARY
Document #: 38-08037 Rev. *D Page 3 of 23
Figure 3-2. CY7C65630/CY7C65620 Block Diagram
3.0 Block Diagrams (continued)
This applies to CY7C65630 only.
Routing Logic
Hub Repeater
USB Upstream Port
USB 2.0 PHY
PLL
Serial
Interface
Engine
High-Speed
USB Control Logic
SPI Communication
Block
USB Downstream Port 1
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 2
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 3
USB 2.0
PHY
Port Power
Control
Port
Status
USB Downstream Port 4
USB 2.0
PHY
Port Power
Control
Port
Status
SPI_SCK
SPI_CS
SPI_SD
D+ D- PWR#[4]
OVR#[4]
LEDD+ D- PWR#[3]
OVR#[3]
LEDD+ D- PWR#[2]
OVR#[2]
LEDD+ D- PWR#[1]
OVR#[1]
LED
Transaction Translator (X1)
TT RAM
D+ D -
24 MHz
Crystal