CY7C67300
Document #: 38-08015 Rev. *J
Page 4 of 99
USB Features
■
USB 2.0-compliant for full and low speed
■
Up to four downstream USB host ports
■
Up to two upstream USB peripheral ports
■
Configurable endpoint buffers (pointer and length), must reside
in internal RAM
■
Up to eight available peripheral endpoints (one control
endpoint)
■
Supports control, interrupt, bulk, and isochronous transfers
■
Internal DMA channels for each endpoint
■
Internal pull up and pull down resistors
■
Internal series termination resistors on USB data lines
USB Pins
OTG Interface
EZ-Host has one USB port that is compatible with the USB
On-The-Go supplement to the USB 2.0 specification. The USB
OTG port has a various hardware features to support Session
Request Protocol (SRP) and Host Negotiation Protocol (HNP).
OTG is only supported on USB PORT 1A.
OTG Features
■
Internal charge pump to supply and control VBUS
■
VBUS valid status (above 4.4V)
■
VBUS status for 2.4V< VBUS <0.8V
■
ID pin status
■
Switchable 2K ohm internal discharge resistor on VBUS
■
Switchable 500 ohm internal pull up resistor on VBUS
■
Individually switchable internal pull up and pull down resistors
on the USB data lines
OTG Pins
2 Hosts + 1 Peripheral
Host
Host
Peripheral
–
2 Hosts + 1 Peripheral
Host
Host
–
Peripheral
2 Hosts + 1 Peripheral
Peripheral
–
Host
Host
2 Hosts + 1 Peripheral
–
Peripheral
Host
Host
1 Host + 1 Peripheral
Host
–
Peripheral
–
1 Host + 1 Peripheral
Host
–
–
Peripheral
1 Host + 1 Peripheral
–
Host
–
Peripheral
1 Host + 1 Peripheral
–
Host
Peripheral
–
1 Host + 1 Peripheral
Peripheral
–
Host
–
1 Host + 1 Peripheral
Peripheral
–
–
Host
1 Host + 1 Peripheral
–
Peripheral
–
Host
1 Host + 1 Peripheral
–
Peripheral
Host
–
2 Peripherals
Peripheral
–
Peripheral
–
2 Peripherals
Peripheral
–
–
Peripheral
2 Peripherals
–
Peripheral
–
Peripheral
2 Peripherals
–
Peripheral
Peripheral
–
1 Peripheral
Any Port
Table 3. USB Port Configuration Options
(continued)
Port Configurations
Port 1A
Port 1B
Port 2A
Port 2B
Table 4. USB Interface Pins
Pin Name
Pin Number
DM1A
22
DP1A
23
DM1B
18
DP1B
19
DM2A
9
DP2A
10
DM2B
4
DP2B
5
Table 5. OTG Interface Pins
Pin Name
Pin Number
DM1A
22
DP1A
23
OTGVBUS
11
OTGID
41
CSwitchA
13
CSwitchB
12
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