CHAPTER 3 CPU ARCHITECTURE
Preliminary User’s Manual U16315EJ1V0UD
66
Table 3-5. Special Function Register List (3/3)
Manipulatable Bit Unit
Address
Special Function Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
FFA2H
Main OSC control register
MOC
R/W
√
√
−
00H
FFA3H
Oscillation stabilization time counter status register OSTC
R
√
√
−
00H
FFA4H
Oscillation stabilization time select register
OSTS
R/W
−
√
−
05H
FFA9H
Clock monitor mode register
CLM
R/W
√
√
−
00H
FFACH
Reset control flag register
RESF
R
−
√
−
00H
Note 1
FFBAH
16-bit timer mode control register 00
TMC00
R/W
√
√
−
00H
FFBBH
Prescaler mode register 00
PRM00
R/W
√
√
−
00H
FFBCH
Capture/compare control register 00
CRC00
R/W
√
√
−
00H
FFBDH
16-bit timer output control register 00
TOC00
R/W
√
√
−
00H
FFBEH
Low-voltage detection register
LVIM
R/W
√
√
−
00H
FFBFH
Low-voltage detection level selection register
LVIS
R/W
−
√
−
00H
FFE0H
Interrupt request flag register 0L
IF0L
R/W
√
√
00H
FFE1H
Interrupt request flag register 0H
IF0
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
MK0
MK0H R/W
√
√
√
FFH
FFE6H
Interrupt mask flag register 1L
MK1L
R/W
√
√
−
FFH
FFE8H
Priority specification flag register 0L
PR0L R/W
√
√
FFH
FFE9H
Priority specification flag register 0H
PR0
PR0H R/W
√
√
√
FFH
FFEAH
Priority specification flag register 1L
PR1L
R/W
√
√
−
FFH
FFF0H
Internal memory size switching register
Note 2
IMS
R/W
−
√
−
CFH
FFFBH
Processor clock control register
PCC
R/W
√
√
−
00H
Notes 1.
This value varies depending on the reset source.
2.
The initial value of IMS is fixed (IMS = CFH) in all products in the 78K0/KD1 Series regardless of the
internal memory capacity. Therefore, set the following value to each product.
Internal Memory Size Switching Register (IMS)
µ
PD780121
42H
µ
PD780122
44H
µ
PD780123
C6H
µ
PD780124
C8H
µ
PD78F0124
Value corresponding to mask ROM version
Содержание 78K0/KD1 Series
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