PIC16C745/765
TABLE 4-2:
USB DUAL PORT RAM
Value on: Value on all
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
POR,
BOR
other resets
(2)
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1A0h
BD0OST
xxxx xxxx uuuu uuuu
1A1h
1A2h
1A3h
BD0OBC
BD0OAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1A4h
BD0IST
xxxx xxxx uuuu uuuu
1A5h
1A6h
1A7h
BD0IBC
BD0IAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1A8h
BD1OST
xxxx xxxx uuuu uuuu
1A9h
1AAh
1ABh
BD1OBC
BD1OAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1ACh
BD1IST
xxxx xxxx uuuu uuuu
1ADh
1AEh
1AFh
BD1IBC
BD1IAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1B0h
BD2OST
xxxx xxxx uuuu uuuu
1B1h
1B2h
1B3h
BD2OBC
BD2OAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
UOWN
UOWN
DATA0/1
DATA0/1
PID3
—
PID2
—
PID1
DTS
PID0
BSTALL
—
—
—
—
1B4h
BD2IST
xxxx xxxx uuuu uuuu
1B5h
1B6h
1B7h
BD2IBC
BD2IAL
—
—
—
—
—
Byte Count
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
Buffer Address Low
Reserved
—
—
1B8h-
1DFh
40 byte USB Buffer
xxxx xxxx uuuu uuuu
Legend: x = unknown, u = unchanged, q = value depends on condition, - = unimplemented read as ’0’.
Shaded locations are unimplemented, read as ‘0’.
1999 Microchip Technology Inc.
Advanced Information
DS41124A-page 21
MICROCHIP [ MICROCHIP ]
