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HD6432351 Datasheet(PDF) 481 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 481 Page - Renesas Technology Corp

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Section 10 16-Bit Timer Pulse Unit (TPU)
Rev. 3.00 Sep 15, 2006 page 447 of 988
REJ09B0330-0300
10.2.6
Timer Counter (TCNT)
15
0
R/W
14
0
R/W
13
0
R/W
12
0
R/W
11
0
R/W
8
0
R/W
10
0
R/W
9
0
R/W
Bit
Initial value
R/W
:
:
:
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
0
0
R/W
2
0
R/W
1
0
R/W
Channel 0: TCNT0 (up-counter)
Channel 1: TCNT1 (up/down-counter*)
Channel 2: TCNT2 (up/down-counter*)
Channel 3: TCNT3 (up-counter)
Channel 4: TCNT4 (up/down-counter*)
Channel 5: TCNT5 (up/down-counter*)
Note: * These counters can be used as up/down-counters only in phase counting mode or
when counting overflow/underflow on another channel. In other cases they function
as up-counters.
The TCNT registers are 16-bit counters. The TPU has six TCNT counters, one for each channel.
The TCNT counters are initialized to H'0000 by a reset, and in hardware standby mode.
The TCNT counters cannot be accessed in 8-bit units; they must always be accessed as a 16-bit
unit.



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