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UPD78044F Datasheet(PDF) 69 Page - NEC |
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UPD78044F Datasheet(HTML) 69 Page - NEC |
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69 / 472 page  69 Chapter 3 CPU Architecture User’s Manual U16504EE1V1UD00 Note: The values after reset depend on the product (see Table 23-4, “Values when the Internal Expansion RAM Size Switching Register is Reset,” on page 389). FFB9H Synchronous control register 0 SYNC0 R/W - × -18H FFBAH Synchronous control register 1 SYNC1 R/W - × -0EH FFBBH Mask control register MASKC R/W - × -00H FFBDH Meter C/D prescaler switch register SMSWI R/W ×× -00H FFBFH 8-bit timer mode control register MCNTC R/W - × -00H FFC0H Sound generator control register SGCR R/W ×× -00H FFC1H Sound generator amplitude register SGAM R/W - × -00H FFC2H Sound generator buzzer control register SGBR R/W - × -00H FFC3H Motor 1 compare register MCMP10 R/W - × -00H FFC4H Motor 1 compare register MCMP11 R/W - × -00H FFC5H Motor 2 compare register MCMP20 R/W - × -00H FFC6H Motor 2 compare register MCMP21 R/W - × -00H FFC7H Motor 3 compare register MCMP30 R/W - × -00H FFC8H Motor 3 compare register MCMP31 R/W - × -00H FFC9H Motor 4 compare register MCMP40 R/W - × -00H FFCAH Motor 4 compare register MCMP41 R/W - × -00H FFCBH Port mode control register PMC R/W - × -00H FFCCH Compare control register 1 MCMPC1 R/W - × -00H FFCDH Compare control register 2 MCMPC2 R/W - × -00H FFCEH Compare control register 3 MCMPC3 R/W - × -00H FFCFH Compare control register 4 MCMPC4 R/W - × -00H FFE0H Interrupt request flag register 0L IF0L R/W ×× × 00H FFE1H Interrupt request flag register 0H IF0H R/W ×× 00H FFE2H Interrupt request flag register 1L IF1L R/W ×× × 00H FFE4H Interrupt mask flag register 0L MK0L R/W ×× × FFH FFE5H Interrupt mask flag register 0H MK0H R/W ×× FFH FFE6H Interrupt mask flag register 1L MK1L R/W ×× × FFH FFE8H Priority order specified flag 0L PR0L R/W ×× × FFH FFE9H Priority order specified flag 0H PR0H R/W ×× FFH FFEAH Priority order specified flag 1L PR1L R/W ×× × FFH FFF0H Memory size switching register IMS R/W - × -CFH FFF4H Internal expansion RAM size switching register IXS R/W - × - Note FFF9H Watchdog timer mode register WDTM R/W ×× -00H FFFAH Oscillation stabilisation time register OSTS R/W - × -04H FFFBH Processor clock control register PCC R/W ×× -04H Table 3-5: Special Function Register List (3/3) Address SFR Name Symbol R/W Manipulation Bit Unit After Reset 1-bit 8-bit 16-bit |
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