SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 1067
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SAM3A8C
Manufacturer Part Number
SAM3A8C
Description
Manufacturer
Atmel Corporation
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39. USB On-The-Go Interface (UOTGHS)
39.1
Table 39-1.
39.2
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12
Pipe/Endpoint
0
1
2
3
4
5
6
7
8
9
Description
Embedded Characteristics
Description of USB Pipes/Endpoints
PEP_0
PEP_1
PEP_2
PEP_3
PEP_4
PEP_5
PEP_6
PEP_7
PEP_8
PEP_9
Mnemonic
The Universal Serial Bus (USB) MCU device complies with the Universal Serial Bus (USB) 2.0
specification in all speeds.
Each pipe/endpoint can be configured in one of several USB transfer types. It can be associated
with one, two or three banks of a DPRAM used to store the current data payload. If two or three
banks are used, then one DPRAM bank is read or written by the CPU or the DMA, while the
other is read or written by the UOTGHS core. This feature is mandatory for isochronous
pipes/endpoints.
Table 39-1 on page 1067
Note:
• Compatible with the USB 2.0 specification
• Supports High (480Mbps), Full (12Mbps) and Low (1.5Mbps) speed communication and On-
• 10 pipes/endpoints
• 4096 bytes of Embedded Dual-Port RAM (DPRAM) for Pipes/Endpoints
• Up to 3 memory banks per Pipe/Endpoint (Not for Control Pipe/Endpoint)
• Flexible Pipe/Endpoint configuration and management with dedicated DMA channels
• On-Chip UTMI transceiver including Pull-Ups/Pull-downs
• On-Chip OTG pad including VBUS analog comparator
The-Go
Max. Nb.
Bit fields are presented throughout the document as follows: ‘REGISTER. FIELD’
(e.g.
Banks
1
3
3
2
2
2
2
2
2
2
UOTGHS_CTRL.USBE)
DMA
N
Y
Y
Y
Y
Y
Y
N
_
_
describes the hardware configuration of the USB MCU device.
High Band
Width
N
Y
Y
Y
Y
Y
Y
Y
Y
1
Endpoint Size
Max. Pipe/
1024
1024
1024
1024
1024
1024
1024
1024
1024
64
Type
Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
Isochronous/Bulk/Interrupt/Control
SAM3X/A
SAM3X/A
1067
1067
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