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UPD17708 Datasheet(PDF) 340 Page - NEC

No. de pieza UPD17708
Descripción Electrónicos  4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
PDF  356 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPD17708 Datasheet(HTML) 340 Page - NEC

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340
µPD17704, 17705, 17707, 17708, 17709
23.4 Register File (Control Registers)
Symbol Name Attribute
Value
R/W
Description
SP
MEM
0.81H
R/W
Stack pointer
WDTCK
MEM
0.82H
R/W
Watchdog timer clock selection flag (can be set only once after power
application)
WDTCK1
FLG
0.82H.1
R/W
Watchdog timer clock selection flag (can be set only once after power
application)
WDTCK0
FLG
0.82H.0
R/W
Watchdog timer clock selection flag (can be set only once after power
application)
WDTRES
FLG
0.83H.3
R/W
Watchdog timer counter reset (when read: 0)
DBFSP
MEM
0.84H
R
DBF stack pointer
SPRSEL
MEM
0.85H
R/W
Stack overflow/underflow reset selection flag (can be set only once after
power application)
ISPRES
FLG
0.85H.1
R/W
Stack overflow/underflow reset selection flag (can be set only once after
power application)
ASPRES
FLG
0.85H.0
R/W
Stack overflow/underflow reset selection flag (can be set only once after
power application)
CECNT3
FLG
0.86H.3
R/W
CE reset timer carry counter
CECNT2
FLG
0.86H.2
R/W
CE reset timer carry counter
CECNT1
FLG
0.86H.1
R/W
CE reset timer carry counter
CECNT0
FLG
0.86H.0
R/W
CE reset timer carry counter
MOVTSEL1
FLG
0.87H.1
R/W
MOVT bit selection flag
MOVTSEL0
FLG
0.87H.0
R/W
MOVT bit selection flag
SYSRSP
MEM
0.88H
R
System register stack pointer
SIO0WSTT
FLG
0.8AH.0
R
Serial interface 0 wait status judgment flag
SBMD
FLG
0.8BH.2
R/W
I2C bus slave transmission operation mode selection flag
SIO0CK1
FLG
0.8BH.1
R/W
Serial interface 0 I/O clock selection flag
SIO0CK0
FLG
0.8BH.0
R/W
Serial interface 0 I/O clock selection flag
SIO0IMD3
FLG
0.8CH.3
R/W
Serial interface 0 interrupt mode selection flag (dummy)
SIO0IMD2
FLG
0.8CH.2
R/W
Serial interface 0 interrupt mode selection flag (dummy)
SIO0IMD1
FLG
0.8CH.1
R/W
Serial interface 0 interrupt mode selection flag
SIO0IMD0
FLG
0.8CH.0
R/W
Serial interface 0 interrupt mode selection flag
SIO0SF8
FLG
0.8DH.3
R
8-count detection flag of serial interface 0 clock counter
SIO0SF9
FLG
0.8DH.2
R
9-count detection flag of serial interface 0 clock counter
SBSTT
FLG
0.8DH.1
R
Serial interface 0 (I2C mode) communication status detection flag
(1: Start condition detected)
SBBSY
FLG
0.8DH.0
R
Serial interface 0 (I2C mode) communication status detection flag
(1: Start condition detected, 0: Stop condition detected)
SBACK
FLG
0.8EH.3
R/W`
Serial interface 0 (I2C mode) ACK signal setting/detection flag
SIO0NWT
FLG
0.8EH.2
R/W
Serial interface 0 wait status setting/detection flag
(1: Wait status released (no wait))
SIO0WRQ1
FLG
0.8EH.1
R/W
Bit 1 of serial interface 0 wait condition setting flag
SIO0WRQ0
FLG
0.8EH.0
R/W
Bit 0 of serial interface 0 wait condition setting flag
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