ST STM32F101xx User Manual

Universal serial bus full-speed device interface (USB) RM0008
628/1096 Doc ID 13902 Rev 12
23.5.4 USB register map
The table below provides the USB register map and reset values.
Table 176. Definition of allocated buffer memory
Value of
NUM_BLOCK[4:0]
Memory allocated
when BL_SIZE=0
Memory allocated
when BL_SIZE=1
0 (‘00000) Not allowed 32 bytes
1 (‘00001) 2 bytes 64 bytes
2 (‘00010) 4 bytes 96 bytes
3 (‘00011) 6 bytes 128 bytes
... ... ...
15 (‘01111) 30 bytes 512 bytes
16 (‘10000) 32 bytes N/A
17 (‘10001) 34 bytes N/A
18 (‘10010) 36 bytes N/A
... ... ...
30 (‘11110) 60 bytes N/A
31 (‘11111) 62 bytes N/A
Table 177. USB register map and reset values
Offset Register
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1 0
0x00
USB_EP0R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000
0x04
USB_EP1R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000
0x08
USB_EP2R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000
0x0C
USB_EP3R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000
0x10
USB_EP4R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000
0x14
USB_EP5R
Reserved
CTR_RX
DTOG_RX
STAT_
RX
[1:0]
SETUP
EP
TYPE
[1:0]
EP_KIND
CTR_TX
DTOG_TX
STAT_
TX
[1:0]
EA[3:0]
Reset value 0000000000000000

ST STM32F101xx Specifications

General

Brand	ST
Model	STM32F101xx
Category	Microcontrollers
Language	English