DSP TP400 PC Specifikace stáhnout pdf (Strana 49)

158004.B00 39

PORT BIT FUNCTION

E0h 0 BA14 (For Flash memory bank switching)

E0h 1 BA15 (For Flash memory bank switching)

E0h 2 BA16 (For Flash memory bank switching)

E0h 3 BA17 (For Flash memory bank switching)

E0h 4 BA18 (For Flash memory bank switching)

E0h 5 BA19 (For Flash memory bank switching)

E0h 6 (not used)

E0h 7 BA20 (For Flash memory bank switching)

E4h 0 BA21 (For Flash memory bank switching)

E4h 1 /ENFLASH (Enables access to the Flash memory chips when 0)

E4h 2 (not used)

E4h 3 /CSADC (To CS pin of the A/D converter. Active low.)

E4h 4 /CSEEPROM (To serial EEPROM. Active low.)

E4h 5 SK (Clock to serial EEPROM and A/D Converter.)

E4h 6 SI (Data to serial EEPROM and A/D Converter.)

E4h 7 SO (Data from serial EEPROM and A/D converter.)

E4h 7 * BA22 (For Flash memory bank switching)

* Note - see text for description of this bit.

TABLE 7 - UTILITY REGISTER BIT ALLOCATIONS

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 139 140

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DSP TP400 PC Specifikace Strana 49