
EZ-USB FX2 Technical Reference Manual
Page 15-70 EZ-USB FX2 Technical Reference Manual v2.1
15.11.4 Endpoint 2 and 6 Byte Count High
Figure 15-74. Endpoint 2 and 6 Byte Count High
Bit 1-0 BC9:8 Endpoint 2, 6 Byte Count High
EP2 and EP6 can be either 512 or 1024 bytes. These are the high 2 bits of the byte-count.
15.11.5 Endpoint 4 and 8 Byte Count High
Figure 15-75. Endpoint 4 and 5 Byte Count High
Bit 0 BC8 Endpoint 4, 8 Byte Count High
EP4 and EP8 can be 512 bytes only. This is the most significant bit of the byte-count.
EP2BCH
see Section 15.14
Endpoint 2 Byte Count HIGH E690
EP6BCH
see Section 15.14
Endpoint 6 Byte Count HIGH E698
b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 BC10 BC9 BC8
R/W R/W R/W R/W R/W R/W R/W R/W
0 0 0 0 0 x x x
EP4BCH
see Section 15.14
Endpoint 4 Byte Count HIGH E694
EP8BCH
see Section 15.14
Endpoint 8 Byte Count HIGH E69C
b7 b6 b5 b4 b3 b2 b1 b0
0 0 0 0 0 0 BC9 BC8
R/W R/W R/W R/W R/W R/W R/W R/W
0 0 0 0 0 0 x x
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