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UPD780138 Datasheet(PDF) 74 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) 74 Page - NEC

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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U16228EJ2V0UD
74
Table 3-6. Special Function Register List (1/4)
Manipulatable Bit Unit
Address
Special Function Register (SFR) Name
Symbol
R/W
1 Bit
8 Bits
16 Bits
After
Reset
FF00H
Port register 0
P0
R/W
00H
FF01H
Port register 1
P1
R/W
00H
FF02H
Port register 2
P2
R
Undefined
FF03H
Port register 3
P3
R/W
00H
FF04H
Port register 4
P4
R/W
00H
FF05H
Port register 5
P5
R/W
00H
FF06H
Port register 6
P6
R/W
00H
FF07H
Port register 7
P7
R/W
00H
FF08H
FF09H
A/D conversion result register
ADCR
R
Undefined
FF0AH
Receive buffer register 6
RXB6
R
FFH
FF0BH
Transmit buffer register 6
TXB6
R/W
FFH
FF0CH
Port register 12
P12
R/W
00H
FF0DH
Port register 13
P13
R/W
00H
FF0EH
Port register 14
P14
R/W
00H
FF0FH
Serial I/O shift register 10
SIO10
R
00H
FF10H
FF11H
16-bit timer counter 00
TM00
R
0000H
FF12H
FF13H
16-bit timer capture/compare register 000
CR000
R/W
0000H
FF14H
FF15H
16-bit timer capture/compare register 010
CR010
R/W
0000H
FF16H
8-bit timer counter 50
TM50
R
00H
FF17H
8-bit timer compare register 50
CR50
R/W
00H
FF18H
8-bit timer H compare register 00
CMP00
R/W
00H
FF19H
8-bit timer H compare register 10
CMP10
R/W
00H
FF1AH
8-bit timer H compare register 01
CMP01
R/W
00H
FF1BH
8-bit timer H compare register 11
CMP11
R/W
00H
FF1FH
8-bit timer counter 51
TM51
R
00H
FF20H
Port mode register 0
PM0
R/W
FFH
FF21H
Port mode register 1
PM1
R/W
FFH
FF23H
Port mode register 3
PM3
R/W
FFH
FF24H
Port mode register 4
PM4
R/W
FFH
FF25H
Port mode register 5
PM5
R/W
FFH
FF26H
Port mode register 6
PM6
R/W
FFH
FF27H
Port mode register 7
PM7
R/W
FFH
FF28H
A/D converter mode register
ADM
R/W
00H
FF29H
Analog input channel specification register
ADS
R/W
00H
FF2AH
Power-fail comparison mode register
PFM
R/W
00H
FF2BH
Power-fail comparison threshold register
PFT
R/W
00H


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