Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

R29 Datasheet(PDF) 177 Page - Renesas Technology Corp

Part # R29
Description  RENESAS 16-BIT SINGLE-CHIP MCU R8C FAMILY / R8C/2x SERIES
PDF  473 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

R29 Datasheet(HTML) 177 Page - Renesas Technology Corp

Back Button R29 Datasheet HTML 173Page - Renesas Technology Corp R29 Datasheet HTML 174Page - Renesas Technology Corp R29 Datasheet HTML 175Page - Renesas Technology Corp R29 Datasheet HTML 176Page - Renesas Technology Corp R29 Datasheet HTML 177Page - Renesas Technology Corp R29 Datasheet HTML 178Page - Renesas Technology Corp R29 Datasheet HTML 179Page - Renesas Technology Corp R29 Datasheet HTML 180Page - Renesas Technology Corp R29 Datasheet HTML 181Page - Renesas Technology Corp Next Button
Zoom Inzoom in Zoom Outzoom out
 177 / 473 page
background image
R8C/28 Group, R8C/29 Group
14. Timers
Rev.2.10
Sep 26, 2008
Page 158 of 441
REJ09B0279-0210
Figure 14.17
Operating Example of Timer RB when Counter Value is Rewritten during Count
Operation
Count source
Reloads register of
timer RB prescaler
IR bit in TRBIC
register
0
Counter of
timer RB prescaler
Reloads register of
timer RB
Counter of timer RB
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
After writing, the reload register is
written with the first count source.
Reload with
the second
count source
Reload on
underflow
After writing, the reload register is
written on the first underflow.
Reload on the second
underflow
The IR bit remains unchanged until underflow
is generated by a new value.
When the TWRC bit is set to 0 (write to reload register and counter)
Count source
Reloads register of
timer RB prescaler
IR bit in TRBIC
register
Counter of
timer RB prescaler
Reloads register of
timer RB
Counter of timer RB
Set 01h to the TRBPRE register and 25h to
the TRBPR register by a program.
After writing, the reload register is
written with the first count source.
Reload on
underflow
After writing, the reload register is
written on the first underflow.
Reload on
underflow
Only the prescaler values are updated,
extending the duration until timer RB underflow.
When the TWRC bit is set to 1 (write to reload register only)
05h
04h
03h
02h
01h
00h
01h
00h
01h
00h
06h
01h
00h
01h
03h
00h
02h
01h
25h
New value (25h)
Previous value
New value (01h)
Previous value
New value (01h)
Previous value
05h
04h
01h
00h
01h
00h
01h
00h
01h
00h
06h
New value (25h)
Previous value
03h
24h
02h
25h
The above applies under the following conditions.
Both bits TSTART and TCSTF in the TRBCR register are set to 1 (During count).
0



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com