Usb Endpoint 1 ~ 3 Transfer Count Register - Usbepntcr, N = 1 ~ 3 - Holtek HT32F12345 User Manual

32-Bit Arm ® Cortex ® -M3 MCU
HT32F12345
Bits Field Descriptions
[1] ODRXIF OUT Data Received Interrupt Flag
This bit is set by the hardware circuitry when a data packet is successfully received
from the host for an OUT token and when an endpoint n ACK signal is sent to the
host.
Writing 1 into this status bit will clear it to 0.
[0] OTRXIF OUT Token Received Interrupt Flag.
This bit is set by the hardware circuitry when the endpoint receives an OUT token
from the host and is cleared to 0 by writing 1.
USB Endpoint 1 ~ 3 Transfer Count Register – USBEPnTCR, n = 1 ~ 3
This register specifies the Endpoint 1 ~ 3 transfer byte count.
Offset: 0x034 (n = 1), 0x048 (n = 2), 0x05C (n = 3)
Reset value: 0x0000_0000
31
Type/Reset
23
Type/Reset
15
Type/Reset
7
Type/Reset RW 0 RW
Bits Field Descriptions
[8:0] TCNT Transfer Byte Count
This field contains the number of bytes received by the endpoint n in the preceding
OUT transaction or the number of bytes to be transmitted by the endpoint n in the
next IN transaction.
Rev. 1.10
30 29 28
22 21 20
14 13 12
Reserved
6 5 4
0 RW 0 RW
488 of 590
27 26
Reserved
19 18
Reserved
11 10
3 2
TCNT
0 RW 0 RW 0 RW
25 24
17 16
9 8
TCNT
RW 0
1 0
0 RW 0
November 28, 2018