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VR4102 Datasheet(PDF) 456 Page - NEC

Part # VR4102
Description  64/32-bit Microprocessor
PDF  701 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

VR4102 Datasheet(HTML) 456 Page - NEC

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CHAPTER 23 LED (LED CONTROL UNIT)
456
23.2.3 LEDCNTREG (0x0B00 0248)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
R/W
R
RR
RRR
R
R
RTCRST
0
0
0
0
0
0
0
0
Other resets
0
0
0
0
0
0
0
0
Bit
D7
D6D5
D4D3D2
D1
D0
Name
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
LEDSTOP
LEDENABLE
R/W
R
RR
RRR
R/W
R/W
RTCRST
0
0
0
0
0
0
1
0
Other resets
0
0
0
0
0
0
Note
Note
Bit
Name
Function
D[15..2]
Reserved
Write 0 when writing. 0 is returned after a read.
D[1]
LEDSTOP
LED ON/OFF auto stop setting
1 : ON
0 : OFF
D[0]
LEDENABLE
LED ON/OFF (blink) setting
1 : Blink
0 : Do not blink
Note
Previous value is retained
This register is used to make various LED settings.
Caution
When setting up LED activation, make sure that a value other than zero has already been set to
the LEDHTSREG, LEDLTSREG, and LEDASTCREG. The operation is not guaranteed if zero is
set to these registers.



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