r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1615
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r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
(2026 pages)
- Current page: 1615 of 2026
- Download datasheet (12Mb)
36.3.38 Endpoint Information Register (EPIR)
EPIR is a register to set the configuration information for each endpoint. 5 bytes of the
information are required for one endpoint and the formats are listed in tables 36.4 and 36.5. Write
the data in order from endpoint 0. Do not write more than 5 (bytes) × 10 (endpoints) = 50 bytes.
Write this information once at power-on reset. Do not write it again afterwards.
Write data of one endpoint is described below. EPIR writes data in the same address in order.
Therefore though there is only one EPIR register, write data for registration number N (N is from
0 to 9) is listed as EPIRN0 to EPIRN4 (EPIR [registration number] [write order]) for the purpose
of explaining. Write data in order from EPIR00.
• EPIRN0:
Bit
31 to 8
7 to 4
3, 2
1, 0
Initial value:
Initial value:
R/W:
R/W:
Bit: 31
Bit: 15
Bit Name
D[7:4]
D[3:2]
D[1:0]
—
—
—
—
R
R
30
14
—
—
—
—
R
R
29
13
—
—
—
—
R
R
Undefined
Undefined
Undefined
Undefined
Initial value R/W Description
28
12
—
—
—
—
R
R
27
11
—
—
—
—
R
R
26
10
—
—
—
—
R
R
R
W
W
W
25
—
—
—
—
R
R
9
Reserved
These bits are always read as undefined value.
Write value should always be 0.
Endpoint Number
Settable range: 0 to 5
Configuration Number to which Endpoint Belongs
Settable range: 0 or 1
Interface Number to which Endpoint Belongs
Settable range: 0 to 3
24
—
—
—
—
R
R
8
23
—
—
—
W
R
7
Section 36 USB Function Controller (USBF)
Rev. 1.00 Oct. 01, 2007 Page 1549 of 1956
22
—
—
—
W
R
6
D[7:4]
21
—
—
—
W
R
5
20
—
—
—
W
R
4
19
—
—
—
W
R
3
D[3:2]
REJ09B0256-0100
18
—
—
—
W
R
2
17
—
—
—
W
R
1
D[1:0]
16
—
—
—
W
R
0
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