NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 230

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

USB Bus Status and Attribution Register (USB_ATTR)
Register
USB_ATTR
Bits
[31:11]
[10]
[9]
[8]
[7]
[6]
[5]
[4]
[3]
USB_EN
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Reserved
Offset
USB_BA+0x010 R/W
Descriptions
Reserved
BYTEM
PWRDN
DPPU_EN
USB_EN
Reserved
RWAKEUP
PHY_EN
TIMEOUT
30
22
14
6
RWAKEUP
Reserved
R/W
Reserved
CPU access USB SRAM Size Mode Select
1 = Byte Mode: The size of the transfer from CPU to USB SRAM can be Byte only.
0 = Word Mode: The size of the transfer from CPU to USB SRAM can be Word only.
Power down PHY Transceiver, low active
1 = Turn-on related circuit of PHY transceiver
0 = power-down related circuit of PHY transceiver
Pull-up resistor on USB_DP enable
1 = The pull-up resistor in USB_DP bus active
0 = Disable the pull-up resistor in USB_DP bus
USB Controller Enable
1 = Enable USB Controller
0 = Disable USB Controller
Reserved
Remote Wake Up
1 = Force USB bus to K (USB_DP low, USB_DM: high) state, used for remote wake-
0 = Release the USB bus from K state
PHY Transceiver Function Enable
1 = Enable PHY transceiver function
0 = Disable PHY transceiver function
Time Out Status
1 = Bus no any response more than 18 bits time
29
21
13
5
up
Description
USB Bus Status and Attribution Register
PHY_EN
28
20
12
4
- 230 -
Reserved
Reserved
TIMEOUT
27
19
11
3
Publication Release Date: Dec. 22, 2010
RESUME
BYTEM
26
18
10
2
SUSPEND
PWRDN
25
17
9
1
Revision V1.06
Reset Value
0x0000_0040
DPPU_EN
USBRST
24
16
8
0