NEC 78K0 User Manual page 62

Address Special Function Register (SFR) Name
FFACH Reset control flag register
FFBAH 16-bit timer mode control register 00
FFBBH Prescaler mode register 00
FFBCH Capture/compare control register 00
FFBDH 16-bit timer output control register 00
FFBEH Low-voltage detection register
FFBFH Low-voltage detection level selection register
FFE0H Interrupt request flag register 0L
FFE1H Interrupt request flag register 0H
FFE2H Interrupt request flag register 1L
FFE4H Interrupt mask flag register 0L
FFE5H Interrupt mask flag register 0H
FFE6H Interrupt mask flag register 1L
FFE8H Priority specification flag register 0L
FFE9H Priority specification flag register 0H
FFEAH Priority specification flag register 1L
FFF0H Internal memory size switching register
FFFBH Processor clock control register
Notes 1. This value varies depending on the reset source.
2. The default value of IMS is fixed (IMS = CFH) in all 78K0/KC1 products regardless of the internal memory
capacity. Therefore, set the following value to each product.
µ
PD780111
µ
PD780112
µ
PD780113
µ
PD780114
µ
PD78F0114
62
CHAPTER 3 CPU ARCHITECTURE
Table 3-5. Special Function Register List (3/3)
Symbol
RESF
TMC00
PRM00
CRC00
TOC00
LVIM
LVIS
IF0
IF1L
MK0
MK1L
PR0
PR1L
Note 2
IMS
PCC
Internal Memory Size Switching Register (IMS)
42H
44H
C6H
C8H
Value corresponding to mask ROM version
User's Manual U16227EJ2V0UD
R/W Manipulatable Bit Unit
1 Bit 8 Bits
−
R
√
R/W
√
R/W
√
R/W
√
R/W
√
R/W
−
R/W
√
IF0L R/W
√
IF0H R/W
√
R/W
√
MK0L R/W
√
MK0H R/W
√
R/W
√
PR0L R/W
√
PR0H R/W
√
R/W
−
R/W
√
R/W
After
Reset
16 Bits
√ −
Note 1
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ −
00H
√ √
00H
√
00H
√ −
00H
√ √
FFH
√
FFH
√ −
FFH
√ √
FFH
√
FFH
√ −
FFH
√ −
CFH
√ −
00H