SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 243
Version 1.1
Bit
Name
Description
Attribute
Reset
31:9
Reserved
R
0
8:2
OFFSET[6:0]
The offset address for each endpoint data buffer.
The effective offset address is:
USB_SRAM a {EPnBUFOS[8
:2], 2’b00}
Where USB_SRAM address = 0x100
For endpoint 0, the offset address is fixed as USB_SRAM address.
R/W
40,
80,
C0,
100
140
180
1:0
Reserved
R
0
20.9.11 USB Frame Number Register (USB_FRMNO)
Address Offset: 0x60
Reset value: 0x0000 0000
Bit
Name
Description
Attribute Reset
31:11
Reserved
R
0
10:0
FRAME_NO[10:0]
The 11-bit frame number of the Start-Of-Frame(SOF) packet. This
number is updated by H/W automatically when SOF packet is
received.
R
0
20.9.12 USB PHY Parameter Register (USB_PHYPRM)
Address Offset: 0x64
Reset value: 0x0000 0000
Bit
Name
Description
Attribute Reset
31:26
PHY_PARAM[5:0]
The USB PHY parameter value.
The suggested settings would be 0x20.
R/W
0
25:0
Reserved
R
0
20.9.13 USB PHY Parameter Register 2(USB_PHYPRM2)
Address Offset: 0x6C
Reset value: 0x0000 0000
Bit
Name
Description
Attribute Reset
31:15
Reserved
R
0
14:0
PHY_PARAM2[14:0]
The USB PHY parameter value.
R/W
0
20.9.14 PS/2 Control Register (USB_PS2CTL)
Address Offset: 0x70
Reset value: 0x0000 0000
Содержание SN32F280 Series
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