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ST STM32L4x6 User Manual

ST STM32L4x6
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USB on-the-go full-speed (OTG_FS) RM0351
1584/1693 DocID024597 Rev 3
43.15.51 OTG device IN endpoint transmit FIFO status register
(OTG_DTXFSTSx) (x = 0..5 , where
x = Endpoint_number)
Address offset for IN endpoints: 0x918 + (Endpoint_number × 0x20) This read-only register
contains the free space information for the Device IN endpoint Tx FIFO.
43.15.52 OTG device OUT endpoint-x transfer size register
(OTG_DOEPTSIZx) (x = 1..5 , where
x = Endpoint_number)
Address offset: 0xB10 + (Endpoint_number × 0x20)
Reset value: 0x0000 0000
The application must modify this register before enabling the endpoint. Once the endpoint is
enabled using Endpoint Enable bit of the OTG_DOEPCTLx registers (EPENA bit in
OTG_DOEPCTLx), the core modifies this register. The application can only read this
register once the core has cleared the Endpoint enable bit.
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
INEPTFSAV
rrrrrrrrrrrrrrrr
31:16 Reserved, must be kept at reset value.
15:0 INEPTFSAV: IN endpoint Tx FIFO space available
Indicates the amount of free space available in the Endpoint Tx FIFO.
Values are in terms of 32-bit words:
0x0: Endpoint Tx FIFO is full
0x1: 1 word available
0x2: 2 words available
0xn: n words available
Others: Reserved
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res.
RXDPID/
STUPCNT
PKTCNT XFRSIZ
r/rw r/rw rw rw rw rw rw rw rw rw rw rw rw rw rw
1514131211109876543210
XFRSIZ
rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw

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ST STM32L4x6 Specifications

General IconGeneral
BrandST
ModelSTM32L4x6
CategoryMicrocontrollers
LanguageEnglish

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