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VR4102 Datasheet(PDF) 338 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) 338 Page - NEC

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CHAPTER 16 RTC (REALTIME CLOCK UNIT)
338
(3) ETIMEHREG (0x0B00 00C4)
Bit
D15
D14
D13
D12
D11
D10
D9
D8
Name
ETIME[47]
ETIME[46]
ETIME[45]
ETIME[44]
ETIME[43]
ETIME[42]
ETIME[41]
ETIME[40]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RTCRST
0
0
0
0
0
0
0
0
Other resets
Note
Note
Note
Note
Note
Note
Note
Note
Bit
D7
D6D5
D4D3D2
D1
D0
Name
ETIME[39]
ETIME[38]
ETIME[37]
ETIME[36]
ETIME[35]
ETIME[34]
ETIME[33]
ETIME[32]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RTCRST
0
0
0
0
0
0
0
0
Other resets
Note
Note
Note
Note
Note
Note
Note
Note
Bit
Name
Function
D[15:0]
ETIME[47:32]
ElapsedTime bit [47:32]
Note
Continues counting
These registers indicate the elapsed timer’s value. They count up using a 32.768-kHz cycle and when a match
occurs with the elapsed compare registers, an alarm (elapsed time interrupt) occurs (and the count-up continues). A
write operation is valid once values have been written to all registers (ETIMELREG, ETIMEMREG, and
ETIMEHREG).



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