NEC PD78058FY(A) - Manual (Page 111)

111
CHAPTER 5 CPU ARCHITECTURE
IF0L
IF0H
MK0L
MK0H
PR0L
PR0H
Address Special-Function Register (SFR) Name Symbol R/W After Reset
FFD0H to External access area Note 1 R/W
√ √ —
Undefined
FFDFH
FFE0H Interrupt request flag register 0L
√ √
FFE1H Interrupt request flag register 0H
√ √
FFE2H Interrupt request flag register 1L IF1L
√ √
—
FFE4H Interrupt mask flag register 0L
√ √
FFE5H Interrupt mask flag register 0H
√ √
FFE6H Interrupt mask flag register 1L MK1L
√ √
—
FFE8H Priority order specify flag register 0L
√ √
FFE9H Priority order specify flag register 0H
√ √
FFEAH Priority order specify flag register 1L PR1L
√ √
—
FFECH External interrupt mode register 0 INTM0 —
√
—
FFEDH External interrupt mode register 1 INTM1 —
√
—
FFF0H Memory size switching register IMS — √ — Note 2
FFF2H Oscillation mode selection register OSMS W — √ — 00H
FFF3H Pull-up resistor option register H PUOH R/W √ √ —
FFF4H Internal expansion RAM size IXS W
—
√
—
0AH
switching register Note 3
FFF6H Key return mode register KRM R/W
√ √
— 02H
FFF7H Pull-up resistor option register L PUOL
√ √
— 00H
FFF8H Memory expansion mode register MM
√ √
— 10H
FFF9H Watchdog timer mode register WDTM
√ √
— 00H
FFFAH Oscillation stabilization time select register OSTS —
√
— 04H
FFFBH Processor clock control register PCC √ √ —
Table 5-3. Special-Function Register List (3/3)
Manipulatable Bit Unit
8 bits 1 bit 16 bits
MK0
√
PR0
√
00H
Notes 1. The external access area cannot be accessed in SFR addressing. Access the area with direct
addressing.
2. The value after reset depends on products.
µ
PD78056F, 78056FY: CCH,
µ
PD78058F, 78058FY: CFH,
µ
PD78P058F, 78P058FY: CFH
3. This register is provided only in the
µ
PD78058F, 78058FY, 78P058F, and 78P058FY.
FFH
IF0
√
00H