Motorola DSP56303 User Manual page 273

Table B-2. Internal I/O Memory Map (Continued)(X Data Memory)
Peripheral 16-Bit Address
HI08 $FFC7
$FFC6
$FFC5
$FFC4
$FFC3
$FFC2
$FFC1
$FFC0
Port C $FFBF
$FFBE
$FFBD
ESSI 0 $FFBC
$FFBB
$FFBA
$FFB9
$FFB8
$FFB7
$FFB6
$FFB5
$FFB4
$FFB3
$FFB2
$FFB1
$FFB0
Port D $FFAF
$FFAE
$FFAD
24-Bit Address
$FFFFC7 Host Transmit Register (HTX)
$FFFFC6 Host Receive Register (HRX)
$FFFFC5 Host Base Address Register (HBAR)
$FFFFC4
Host Port Control Register (HPCR)
$FFFFC3 Host Status Register (HSR)
$FFFFC2 Host Control Register (HCR)
$FFFFC1 Reserved
$FFFFC0 Reserved
$FFFFBF Port C Control Register (PCRC)
$FFFFBE Port C Direction Register (PRRC)
$FFFFBD Port C GPIO Data Register (PDRC)
$FFFFBC ESSI 0 Transmit Data Register 0 (TX00)
$FFFFBB ESSI 0 Transmit Data Register 1 (TX01)
$FFFFBA ESSI 0 Transmit Data Register 2 (TX02)
$FFFFB9 ESSI 0 Time Slot Register (TSR0)
$FFFFB8 ESSI 0 Receive Data Register (RX0)
$FFFFB7 ESSI 0 Status Register (SSISR0)
$FFFFB6 ESSI 0 Control Register B (CRB0)
$FFFFB5 ESSI 0 Control Register A (CRA0)
$FFFFB4 ESSI 0 Transmit Slot Mask Register A
(TSMA0)
$FFFFB3 ESSI 0 Transmit Slot Mask Register B
(TSMB0)
$FFFFB2 ESSI 0 Receive Slot Mask Register A (RSMA0)
$FFFFB1 ESSI 0 Receive Slot Mask Register B (RSMB0)
$FFFFB0 Reserved
$FFFFAF Port D Control Register (PCRD)
$FFFFAE Port D Direction Register (PRRD)
$FFFFAD Port D GPIO Data Register (PDRD)
Programming Reference
Internal I/O Memory Map
Register Name
B-5