
2-8
DSP96002ADMUM/AD, Preliminary
MOTOROLA
DSP96002ADM Technical Summary
Configuring the DSP96002ADM
2.4.1
Operating Mode Selection
Jumpers JG1 to JG3 are used to select one of eight operating modes in which the
DSP96002 exits reset. The ADM is factory configured for MODE 0. In MODE 0, the
internal program memory occupies the lower portion of the program memory space.
Addresses higher than the highest internal program memory location are directed to
external program memory. The address of the hardware reset vector is $FFFFFFFE,
located in the Port A external program memory space. Refer to the
DSP96002 User’s
Manual
for a complete description of the chip operating modes. The
jumper settings required to select each of the eight operating modes.
Note:
The ADM is factory configured to exit reset in Mode 0.
Table 2-2
Operating Mode Selection
Mode
(MODA)
JG3
(MODB)
JG2
(MODC)
JG1
Comment
0 (default)
1–2
1–2
1–2
PRAM on, reset($FFFFFFFE) Port A
1
2–3
1–2
1–2
PRAM on, reset ($FFFFFFFE) Port B
2
1–2
2–3
1–2
PRAM off, reset ($00000000) Port A
3
2–3
2–3
1–2
PRAM off, reset ($00000000) Port B
4
1–2
1–2
2–3
Bootstrap byte wide Port A
5
2–3
1–2
2–3
Bootstrap byte wide Port B
6
1–2
2–3
2–3
Bootstrap Port A host interface
7
2–3
2–3
2–3
Bootstrap Port B host interface
Содержание DSP96002ADM
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