DSP56303 datasheet(249/292 Pages) FREESCALE

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Internal I/O Memory Map

DSP56303 User’s Manual, Rev. 2

Freescale Semiconductor

B-5

ESSI 0

$FFBC

$FFFFBC

ESSI 0 Transmit Data Register 0 (TX00)

$FFBB

$FFFFBB

ESSI 0 Transmit Data Register 1 (TX01)

$FFBA

$FFFFBA

ESSI 0 Transmit Data Register 2 (TX02)

$FFB9

$FFFFB9

ESSI 0 Time Slot Register (TSR0)

$FFB8

$FFFFB8

ESSI 0 Receive Data Register (RX0)

$FFB7

$FFFFB7

ESSI 0 Status Register (SSISR0)

$FFB6

$FFFFB6

ESSI 0 Control Register B (CRB0)

$FFB5

$FFFFB5

ESSI 0 Control Register A (CRA0)

$FFB4

$FFFFB4

ESSI 0 Transmit Slot Mask Register A (TSMA0)

$FFB3

$FFFFB3

ESSI 0 Transmit Slot Mask Register B (TSMB0)

$FFB2

$FFFFB2

ESSI 0 Receive Slot Mask Register A (RSMA0)

$FFB1

$FFFFB1

ESSI 0 Receive Slot Mask Register B (RSMB0)

$FFB0

$FFFFB0

Reserved

Port D

$FFAF

$FFFFAF

Port D Control Register (PCRD)

$FFAE

$FFFFAE

Port D Direction Register (PRRD)

$FFAD

$FFFFAD

Port D GPIO Data Register (PDRD)

ESSI 1

$FFAC

$FFFFAC

ESSI 1 Transmit Data Register 0 (TX10)

$FFAB

$FFFFAB

ESSI 1 Transmit Data Register 1 (TX11)

$FFAA

$FFFFAA

ESSI 1 Transmit Data Register 2 (TX12)

$FFA9

$FFFFA9

ESSI 1 Time Slot Register (TSR1)

$FFA8

$FFFFA8

ESSI 1 Receive Data Register (RX1)

$FFA7

$FFFFA7

ESSI 1 Status Register (SSISR1)

$FFA6

$FFFFA6

ESSI 1 Control Register B (CRB1)

$FFA5

$FFFFA5

ESSI 1 Control Register A (CRA1)

$FFA4

$FFFFA4

ESSI 1 Transmit Slot Mask Register A (TSMA1)

$FFA3

$FFFFA3

ESSI 1 Transmit Slot Mask Register B (TSMB1)

$FFA2

$FFFFA2

ESSI 1 Receive Slot Mask Register A (RSMA1)

$FFA1

$FFFFA1

ESSI 1 Receive Slot Mask Register B (RSMB1)

$FFA0

$FFFFA0

Reserved

Port E

$FF9F

$FFFF9F

Port E Control Register (PCRE)

$FF9E

$FFFF9E

Port E Direction Register (PRRE)

$FF9D

$FFFF9D

Port E GPIO Data Register (PDRE)

Table B-2. Internal I/O Memory Map (Continued)(X Data Memory)

Peripheral

16-Bit Address

24-Bit Address

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