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UPD780138 Datasheet(PDF) 77 Page - NEC

No. de Pieza. UPD780138
Descripción  8-Bit Single-Chip Microcontrollers
Descarga  558 Pages
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Fabricante  NEC [NEC]
Página de inicio  http://www.nec.com/
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UPD780138 Datasheet(HTML) 77 Page - NEC

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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16228EJ2V0UD
77
Table 3-6. Special Function Register List (4/4)
Manipulatable Bit Unit
Address
Special Function Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
FFB7H
Prescaler mode register 01
Note 1
PRM01
R/W
00H
FFB8H
Capture/compare control register 01
Note 1
CRC01
R/W
00H
FFB9H
16-bit timer output control register 01
Note 1
TOC01
R/W
00H
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
IF0
IF0L
R/W
00H
FFE1H
Interrupt request flag register 0H
IF0H
R/W
00H
FFE2H
Interrupt request flag register 1L
IF1
IF1L
R/W
00H
FFE3H
Interrupt request flag register 1H
IF1H
R/W
00H
FFE4H
Interrupt mask flag register 0L
MK0
MK0L R/W
FFH
FFE5H
Interrupt mask flag register 0H
MK0H R/W
FFH
FFE6H
Interrupt mask flag register 1L
MK1
MK1L R/W
FFH
FFE7H
Interrupt mask flag register 1H
MK1H R/W
DFH
FFE8H
Priority specification flag register 0L
PR0
PR0L
R/W
FFH
FFE9H
Priority specification flag register 0H
PR0H R/W
FFH
FFEAH
Priority specification flag register 1L
PR1
PR1L
R/W
FFH
FFEBH
Priority specification flag register 1H
PR1H R/W
FFH
FFF0H
Internal memory size switching register
Note 2
IMS
R/W
CFH
FFF4H
Internal expansion RAM size switching register
Note 2
IXS
R/W
0CH
FFFBH
Processor clock control register
PCC
R/W
00H
Notes 1.
µPD780133, 780134, 78F0134, 780136, 780138, and 78F0138 only.
2.
The default value of IMS and IXS are fixed (IMS = CFH, IXS = 0CH) in all products in the 78K0/KE1
regardless of the internal memory capacity.
Therefore, set the following value to each product.
IMS
IXS
µPD780131
42H
µPD780132
44H
µPD780133
C6H
µPD780134
C8H
0CH
µPD78F0134Note
Value corresponding to mask ROM version
µPD780136
CCH
µPD780138
CFH
0AH
µPD78F0138
Value corresponding to mask ROM version
Note
The
µPD78F0134 does not support the µPD780136 and 780138.


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