SMJ320C6203 Datasheet, PDF (11/81 Pages) Texas Instruments – FIXED POINT SIGNAL PROCESSOR

peripheral register descriptions (continued)
SMJ320C6203
FIXEDĆPOINT DIGITAL SIGNAL PROCESSOR
SGUS033 – FEBRUARY 2002
Table 5. Expansion Bus Registers
HEX ADDRESS RANGE
0188 0000
0188 0004
ACRONYM
REGISTER NAME
XBGC
Expansion bus global control register
XCECTL1 XCE1 space control register
0188 0008
0188 000C
0188 0010
XCECTL0 XCE0 space control register
XBHC
Expansion bus host port interface control register
XCECTL2 XCE2 space control register
0188 0014
0188 0018
0188 001C
0188 0020
0188 0024
0188 0028 – 018B FFFF
–
–
XCECTL3 XCE3 space control register
–
–
XBIMA
XBEA
–
XBISA
XBD
Reserved
Reserved
Expansion bus internal master address register
Expansion bus external address register
Reserved
Expansion bus internal slave address
Expansion bus data
COMMENTS
Corresponds to expansion bus
XCE0 memory space:
[4000 0000 – 4FFF FFFF]
Corresponds to expansion bus
XCE1 memory space:
[5000 0000 – 5FFF FFFF]
DSP read/write access only
Corresponds to expansion bus
XCE2 memory space:
[6000 0000 – 6FFF FFFF]
Corresponds to expansion bus
XCE3 memory space:
[7000 0000 – 7FFF FFFF]
DSP read/write access only
DSP read/write access only
Table 6. Interrupt Selector Registers
HEX ADDRESS RANGE
019C 0000
019C 0004
019C 0008
019C 000C – 019C 01FF
019C 0200
019C 0204 – 019F FFFF
ACRONYM
MUXH
REGISTER NAME
Interrupt multiplexer high
MUXL
Interrupt multiplexer low
EXTPOL
–
PDCTL
–
External interrupt polarity
Reserved
Peripheral power-down control register
Reserved
COMMENTS
Selects which interrupts drive CPU
interrupts 10–15 (INT10–INT15)
Selects which interrupts drive CPU
interrupts 4–9 (INT04–INT09)
Sets the polarity of the external
interrupts (EXT_INT4–EXT_INT7)
Table 7. Peripheral Power-Down Control Register
HEX ADDRESS RANGE
019C 0200
ACRONYM
REGISTER NAME
PDCTL
Peripheral power-down control register
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