PDIUSBD12D NXP Semiconductors, PDIUSBD12D Datasheet - Page 12

• Manufacturer Part Number: PDIUSBD12D
• Description: USB Interface IC USB INTRFC W/PARL BUS
• Manufacturer: NXP Semiconductors

Specifications of PDIUSBD12D

• Operating Supply Voltage: 4 V to 5.5 V
• Lead Free Status / Rohs Status: Details
• Other names: PDIUSBD12D,112

Philips Semiconductors
9. Main endpoint
10. Command summary
PDIUSBD12_9
Product data sheet
The main endpoint (endpoint number 2) is the primary endpoint for sinking or sourcing
relatively large amounts of data. It implements the following features to ease this task:
Table 4.
Name
Initialization commands
Set Address/Enable
Set Endpoint Enable
Set Mode
Set DMA
Data flow commands
Read Interrupt register
Select Endpoint
Read Last Transaction Status
Read Buffer
Write Buffer
•
•
•
•
Double buffering. This allows parallel operation between the USB access and the
local CPU access, increasing throughput. Buffer switching is automatically handled.
This results in transparent buffer operation.
DMA operation. This can be interleaved with normal I/O operation to other endpoints.
Automatic pointer handling during the DMA operation. No local CPU intervention is
necessary when ‘crossing’ the buffer boundary.
Configurable endpoint for either isochronous transfer or non-isochronous (bulk and
interrupt) transfer.
Command summary
Rev. 09 — 11 May 2006
Destination
device
device
device
device
device
control OUT
control IN
endpoint 1 OUT
endpoint 1 IN
endpoint 2 OUT
endpoint 2 IN
control OUT
control IN
endpoint 1 OUT
endpoint 1 IN
endpoint 2 OUT
endpoint 2 IN
selected endpoint
selected endpoint
USB peripheral controller with parallel bus
Code (Hex)
D0
D8
F3
FB
F4
00
01
02
03
04
05
40
41
42
43
44
45
F0
F0
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PDIUSBD12
Transaction
write 1 B
write 1 B
write 2 B
write or read 1 B
read 2 B
read 1 B (optional)
read 1 B (optional)
read 1 B (optional)
read 1 B (optional)
read 1 B (optional)
read 1 B (optional)
read 1 B
read 1 B
read 1 B
read 1 B
read 1 B
read 1 B
read n B
write n B
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