12.4 Isochronous Byte Counts
OUTnBCH
OUT(8-15) Byte Count High
7F70-7F7F*
b7
b6
b5
b4
b3
b2
b1
b0
0
0
0
0
0
0
BC9
BC8
R
x
R
x
R
x
R
x
R
x
R
x
R
x
R
x
INnBCL
OUT(8-15) Byte Count Low
7F70-7F7F*
b7
b6
b5
b4
b3
b2
b1
b0
BC7
BC6
BC5
BC4
BC3
BC2
BC1
BC0
R
x
R
x
R
x
R
x
R
x
R
x
R
x
R
x
* See Table 12-3 for individual endpoint buffer addresses.
Figure 12-4. Isochronous Byte Counts
Table 12-3. Isochronous Endpoint Byte Count Register Addresses
Address
7F70
7F71
7F72
7F73
7F74
7F75
7F76
7F77
7F78
7F79
7F7A
7F7B
7F7C
7F7D
7F7E
7F7F
Isochronous Data
Name
Endpoint 8 Byte Count High
Endpoint 8 Byte Count Low
Endpoint 9 Byte Count High
Endpoint 9 Byte Count Low
Endpoint 10 Byte Count High
Endpoint 10 Byte Count Low
Endpoint 11 Byte Count High
Endpoint 11 Byte Count Low
Endpoint 12 Byte Count High
Endpoint 12 Byte Count Low
Endpoint 13 Byte Count High
Endpoint 13 Byte Count Low
Endpoint 14 Byte Count High
Endpoint 14 Byte Count Low
Endpoint 15 Byte Count High
Endpoint 15 Byte Count Low
OUT8BCH
OUT8BCL
OUT9BCH
OUT9BCL
OUT10BCH
OUT10BCL
OUT11BCH
OUT11BCL
OUT12BCH
OUT12BCL
OUT13BCH
OUT13BCL
OUT14BCH
OUT14BCL
OUT15BCH
OUT15BCL
Page 12-6
Chapter 12. EZ-USB Registers
EZ-USB TRM v1.9
CYPRESS [ CYPRESS ]
