EZ-USB Datasheet, PDF (199/334 Pages) Cypress Semiconductor – The EZ-USB USB Integrated Circuit

12.4 Isochronous Byte Counts
OUTnBCH
b7
b6
0
0
R
R
x
x
OUT(8-15) Byte Count High
b5
b4
b3
b2
0
0
0
0
R
R
R
R
x
x
x
x
INnBCL
OUT(8-15) Byte Count Low
b7
BC7
R
x
b6
BC6
R
x
b5
BC5
R
x
b4
BC4
R
x
b3
BC3
R
x
b2
BC2
R
x
* See Table 12-3 for individual endpoint buffer addresses.
Figure 12-4. Isochronous Byte Counts
7F70-7F7F*
b1
BC9
R
x
b0
BC8
R
x
7F70-7F7F*
b1
BC1
R
x
b0
BC0
R
x
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
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
Name
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