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VR4102 Datasheet(PDF) 344 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) 344 Page - NEC

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CHAPTER 16 RTC (REALTIME CLOCK UNIT)
344
(2) RTCL1CNTHREG (0x0B00 00D6)
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
Note
Note
Note
Note
Note
Note
Note
Note
Bit
D7
D6D5
D4D3D2
D1
D0
Name
RTCL1C[23]
RTCL1C[22]
RTCL1C[21]
RTCL1C[20]
RTCL1C[19]
RTCL1C[18]
RTCL1C[17]
RTCL1C[16]
R/W
R
RR
RRR
R
R
RTCRST
0
0
0
0
0
0
0
0
Other resets
Note
Note
Note
Note
Note
Note
Note
Note
Bit
Name
Function
D[15:8]
Reserved
Write 0 when writing. 0 is returned after a read.
D[7:0]
RTCL1C[23:16]
RTCLong1 counter bit [23:16]
Note
Continues counting
These registers indicate the RTCLong1 counter’s values. The countdown uses a 32.768-kHz cycle and begins at
the value set to the RTCLong1 registers. An RTCLong1 interrupt occurs when the counter reaches 0x00 0001 (at
which point the counter returns to the start value and continues counting).



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