Silicon Laboratories C8051T620 Manual page 167

USB Register Definition 23.4. INDEX: USB0 Endpoint Index
Bit 7
Name
Type R R
Reset 0
USB Register Address = 0x0E
Bit Name
7:4 Unused Read = 0000b. Write = don't care.
3:0 EPSEL[3:0] Endpoint Select Bits.
These bits select which endpoint is targeted when indexed USB0 registers are
accessed.
0000: Endpoint 0
0001: Endpoint 1
0010: Endpoint 2
0011: Endpoint 3
0100-1111: Reserved.
C8051T620/1/6/7 & C8051T320/1/2/3
6 5 4
R R
0 0 0
Rev. 1.2
3 2
EPSEL[3:0]
R/W
0 0
Function
1 0
0 0
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