Cypress EZ-USB HX2LP - Manual (Page 2)

CY7C656xx PRELIMINARY
Document #: 38-08037 Rev. *D Page 2 of 23
3.0 Block Diagrams
Figure 3-1. CY7C65640B Block Diagram
Ro uti n g L o gi c
H ub R epeater
U SB U pstr eam Por t
U SB 2.0 PH Y
PLL
Ser ial
Interface
Engine
H igh- Speed
U SB C ontr ol Logic
SPI C om m unication
Block
U SB D ow nstr eam Por t 1
U S B 2 .0
P HY
P o rt P o we r
C on trol
P o rt
S tatu s
U SB D ow nstr eam Por t 2
U S B 2 .0
P HY
P o rt P o we r
C on trol
P o rt
S ta tu s
U SB D ow nstr eam Port 3
U S B 2 .0
P HY
P o rt P o we r
C on trol
P o rt
S ta tu s
U SB D ow nstr eam Port 4
US B 2.0
P HY
P o rt P owe r
C on trol
P o rt
S ta tu s
S P I_ S CK
S P I_ CS
S P I_ S D
D+ D- P W R#[4 ]
OV R#[4 ]
L E D D+ D- P W R#[3 ]
OV R#[3 ]
L E D D+ D- P W R#[2 ]
OV R#[2 ]
L E D D+ D- P W R#[1 ]
OV R#[1 ]
L E D
Tr ansaction T r anslator ( X4)
TT RA M
D + D -
2 4
M Hz
Cry s ta l