USB Registers
16.5.4.18 ANA_CONFIG2 Register (offset = 54h) [reset = 0h]
ANA_CONFIG2 is shown in
and described in
Used to configure and debug the analog blocks.
Figure 16-151. ANA_CONFIG2 Register
31
30
29
28
27
26
25
24
Reserved
REF_GEN_TEST
R-0h
R/W-0h
23
22
21
20
19
18
17
16
REF_GEN_TEST
Reserved
RTERM_TEST
R/W-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
RTERM_TEST
Reserved
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
Reserved
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 16-162. ANA_CONFIG2 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-27
Reserved
R
0h
Reserved.
26-20
REF_GEN_TEST
R/W
0h
0000000b - Produces the typical vertical eye diagram amplitude
(default).
1100000b - Increases vertical eye diagram amplitude by 15 mV.
1010000b - Decreases vertical eye diagram amplitude by 15 mV.
All other values are reserved.
19-18
Reserved
R/W
0h
Reserved.
17-15
RTERM_TEST
R/W
0h
000b - Typical termination impedance (default).
011b - Decreases the termination impedance by 2 to 3% and can be
used to increase the vertical eye diagram amplitude by 1 to 1.5%.
All other values reserved.
14-0
Reserved
R/W
0h
Reserved.
16.5.5 CPPI_DMA Registers
lists the memory-mapped registers for the CPPI_DMA. All register offset addresses not
listed in
should be considered as reserved locations and the register contents should not be
modified.
Table 16-163. CPPI_DMA REGISTERS
Offset
Acronym
Register Name
Section
0h
DMAREVID
4h
TDFDQ
8h
DMAEMU
800h
TXGCR0
808h
RXGCR0
80Ch
RXHPCRA0
810h
RXHPCRB0
820h
TXGCR1
828h
RXGCR1
82Ch
RXHPCRA1
1925
SPRUH73H – October 2011 – Revised April 2013
Universal Serial Bus (USB)
Copyright © 2011–2013, Texas Instruments Incorporated