SH7203 Datasheet, PDF (1177/1686 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 23 USB 2.0 Host/Function Module (USB)
23.3.29 DCP Maximum Packet Size Register (DCPMAXP)
DCPMAXP is a register that specifies the maximum packet size for the DCP.
This register is initialized by a power-on reset or a software reset.
Bit: 15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
DEVSEL[1:0]
-
-
-
-
-
-
-
MXPS[6:0]
Initial value: 0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
R/W: R/W R/W R
R
R
R
R
R
R R/W R/W R/W R/W R* R* R*
Bit
Bit Name
Initial
Value R/W
15, 14 DEVSEL[1:0] All 0
R/W
13 to 7 ⎯
All 0
R
6 to 0 MXPS[6:0]
H'40
R/W*
Note: Writing to MXPS[2:0] is invalid.
Description
Device Select
When the host controller function is selected, these
bits specify the communication target device
address. When the function controller function is
selected, these bits should be set to B'00.
00: Address 00
01: Address 01
10: Address 10
11: Address 11
Reserved
These bits are always read as 0. The write value
should always be 0.
Maximum Packet Size
These bits specify the maximum packet size for the
DCP.
These bits should not be set to anything other than
the USB specification. Bits 2 to 0 are fixed at 0.
Rev. 2.00 Apr. 16, 2008 Page 1147 of 1652
REJ09B0313-0200