Rev. 1.2
193
C8051T620/1/6/7 & C8051T320/1/2/3
USB Register Address = 0x17
USB Register Definition 23.25. EOUTCNTH: USB0 OUT Endpoint Count High
Bit
7
6
5
4
3
2
1
0
Name
EOCH[1:0]
Type
R
R
R
R
R
R
R
R
Reset
0
0
0
0
0
0
0
0
Bit
Name
Function
7:2
Unused
Read = 000000b. Write = don’t care.
1:0
EOCH[1:0]
OUT Endpoint Count High Byte.
EOCH holds the upper 2-bits of the 10-bit number of data bytes in the last received
packet in the current OUT endpoint FIFO. This number is only valid while OPRDY = 1.