Electronics America Single-Chip Microcontrollers User's Manual

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 01
Note
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