MCBSTM32EXL Keil, MCBSTM32EXL Datasheet - Page 740

• Manufacturer Part Number: MCBSTM32EXL
• Description: BOARD EVALUATION FOR STM32F103ZE
• Manufacturer: Keil

Specifications of MCBSTM32EXL

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

USB on-the-go full-speed (OTG_FS)
Note:
740/995
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
Bits 31:16 NPTXFD: Non-periodic TxFIFO depth
Bits 30:24 NPTXQTOP: Top of the non-periodic transmit request queue
Bits 15:0 NPTXFSA: Non-periodic transmit RAM start address
NPTXQTOP
OTG_FS non-periodic transmit FIFO size register (OTG_FS_GNPTXFSIZ)
Address offset: 0x028
Reset value: 0x0000 0200
OTG_FS non-periodic transmit FIFO/queue status register
(OTG_FS_GNPTXSTS)
Address offset: 0x02C
Reset value: 0x0008 0200
In Device mode, this register is not valid.
This read-only register contains the free space information for the non-periodic TxFIFO and
the non-periodic transmit request queue.
Bit 31 Reserved
r
This value is in terms of 32-bit words.
This field contains the memory start address for non-periodic transmit FIFO RAM.
Entry in the non-periodic Tx request queue that is currently being processed by the MAC.
Minimum value is 16
Maximum value is 256
Bits [30:27]: Channel/endpoint number
Bits [26:25]:
Bit [24]: Terminate (last entry for selected channel/endpoint)
NPTXFD
–
–
–
r/rw
00: IN/OUT token
01: Zero-length transmit packet (device IN/host OUT)
11: Channel halt command
NPTQXSAV
r
Doc ID 13902 Rev 9
9
9
NPTXFSAV
NPTXFSA
8
8
r/rw
r
7
7
6
6
5
5
4
4
3
3
RM0008
2
2
1
1
0
0