SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 240
Version 1.1
20.9.4 USB Device Address Register (USB_ADDR)
Address Offset: 0x0C
Reset value: 0x0000 0000
Bit
Name
Description
Attribute
Reset
31:7
Reserved
R
0
6:0
UADDR
USB device
’s address.
R/W
0
20.9.5 USB Configuration Register (USB_CFG)
Address offset: 0x10
Reset value: 0x0000 0000
Bit
Name
Description
Attribute
Reset
31
VREG33_EN
Internal VREG33 output function. If VREG33_EN is disabled, VREG33 will
be switched to IC_VDD.
0: Disable
1: Enable
*If VREG33 is disabled, the VREG33 will be switched to IC_VDD.
R/W
1
30
PHY_EN
PHY transceiver function. PHY will be automatically disabled if entering
sleep mode, deep-sleep mode, and deep-power down mode.
0: Disable PHY transceiver function.
1: Enable PHY transceiver function.
R/W
0
29
DPPU_EN
Internal D+ 1.5k pull-up resistor function.
0: Disable internal D+ pull-up resistor.
1: Enable internal D+ pull-up resistor.
R/W
0
28
SIE_EN
USB serial interface engine enable.
0: Disable USB SIE function.
1: Enable USB SIE function.
R/W
0
27
ESD_EN
USB ESD protection enable.
0: Disable ESD protection.
1: Enable ESD protection.
R/W
0
26
DIS_PDEN
Enable internal D+ and D - 175k pull-down resistor.
0: Disable.
1: Enable.
R/W
0
25:6
Reserved
R
0
5
EP6_DIR
Endpoint 6 IN/OUT direction setting.
0: EP6 only handshakes to IN token packet.
1: EP6 only handshakes to OUT token packet.
R/W
0
4
EP5_DIR
Endpoint 5 IN/OUT direction setting.
0: EP5 only handshakes to IN token packet.
1: EP5 only handshakes to OUT token packet.
R/W
0
3
EP4_DIR
Endpoint 4 IN/OUT direction setting.
0: EP4 only handshakes to IN token packet.
1: EP4 only handshakes to OUT token packet.
R/W
0
2
EP3_DIR
Endpoint 3 IN/OUT direction setting.
0: EP3 only handshakes to IN token packet.
1: EP3 only handshakes to OUT token packet.
R/W
0
1
EP2_DIR
Endpoint 2 IN/OUT direction setting.
0: EP2 only handshakes to IN token packet.
1: EP2 only handshakes to OUT token packet.
R/W
0
0
EP1_DIR
Endpoint 1 IN/OUT direction setting.
0: EP1 only handshakes to IN token packet.
1: EP1 only handshakes to OUT token packet.
R/W
0
Содержание SN32F280 Series
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