CHAPTER 3 CPU ARCHITECTURE
User’s Manual U15331EJ4V1UD 65
Table 3-4. Special Function Registers (3/3)
Bit Unit for ManipulationAddress Special Function Register (SFR) Name Symbol R/W
1 Bit 8 Bits 16 Bits
After
Reset
FF80H A/D converter mode register 0 ADML0 √ √ −
FF84H Analog input channel specification register 0 ADS0 √ √ −
00H
FFA0H Serial interface buffer memory 0 SBMEM0 − √ −
FFA1H Serial interface buffer memory 1 SBMEM1 − √ −
FFA2H Serial interface buffer memory 2 SBMEM2 − √ −
FFA3H Serial interface buffer memory 3 SBMEM3 − √ −
FFA4H Serial interface buffer memory 4 SBMEM4 − √ −
FFA5H Serial interface buffer memory 5 SBMEM5 − √ −
FFA6H Serial interface buffer memory 6 SBMEM6 − √ −
FFA7H Serial interface buffer memory 7 SBMEM7 − √ −
FFA8H Serial interface buffer memory 8 SBMEM8 − √ −
FFA9H Serial interface buffer memory 9 SBMEM9 − √ −
FFAAH Serial interface buffer memory A SBMEMA − √ −
FFABH Serial interface buffer memory B SBMEMB − √ −
FFACH Serial interface buffer memory C SBMEMC − √ −
FFADH Serial interface buffer memory D SBMEMD − √ −
FFAEH Serial interface buffer memory E SBMEME − √ −
FFAFH Serial interface buffer memory F SBMEMF − √ −
Undefined
FFB0H LCD mode register 0 LCDM0 √ √ −
FFB2H LCD clock control register 0 LCDC0 √ √ −
FFB3H LCD voltage boost control register 0 LCDVA0
R/W
√ √ −
00H
FFD0H Multiplication data register A0 MRA0 − √ −
FFD1H Multiplication data register B0 MRB0
W
− √ −
Undefined
FFD2H Multiplier control register 0 MULC0 √ √ −
FFE0H Interrupt request flag register 0 IF0 √ √ −
FFE1H Interrupt request flag register 1 IF1 √ √ −
FFE2H Interrupt request flag register 2 IF2 √ √ −
00H
FFE4H Interrupt mask flag register 0 MK0 √ √ −
FFE5H Interrupt mask flag register 1 MK1 √ √ −
FFE6H Interrupt mask flag register 2 MK2 √ √ −
FFH
FFECH External interrupt mode register 0 INTM0 − √ −
FFEDH External interrupt mode register 1 INTM1 − √ −
FFF0H Subclock oscillation mode register SCKM √ √ −
FFF2H Subclock control register CSS √ √ −
FFF4H Key return mode register 01Note KRM01
√ √ −
FFF5H Key return mode register 00 KRM00 √ √ −
FFF9H Watchdog timer mode register WDTM √ √ −
00H
FFFAH Oscillation stabilization time selection register OSTS − √ − 04H
FFFBH Processor clock control register PCC
R/W
√ √ − 02H
Note
µ
PD789489 and 78F9489 only