数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

H8SX/1663 数据表(PDF) 665 Page - Renesas Technology Corp

部件名 H8SX/1663
功能描述  Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series
PDF  1158 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

H8SX/1663 数据表(HTML) 665 Page - Renesas Technology Corp

Back Button H8SX/1663 Datasheet HTML 661Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 662Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 663Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 664Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 665Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 666Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 667Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 668Page - Renesas Technology Corp H8SX/1663 Datasheet HTML 669Page - Renesas Technology Corp Next Button
Zoom Inzoom in Zoom Outzoom out
 665 / 1158 page
background image
Section 12 8-Bit Timers (TMR)
Rev.1.00 Jun. 07, 2006 Page 613 of 1102
REJ09B0294-0100
12.3.1
Timer Counter (TCNT)
TCNT is an 8-bit readable/writable up-counter. TCNT_0 and TCNT_1 comprise a single 16-bit
register so they can be accessed together by a word transfer instruction. Bits CKS2 to CKS0 in
TCR and bits ICKS1 and ICKS0 in TCCR are used to select a clock. TCNT can be cleared by an
external reset input signal, compare match A signal, or compare match B signal. Which signal to
be used for clearing is selected by bits CCLR1 and CCLR0 in TCR. When TCNT overflows from
H'FF to H'00, bit OVF in TCSR is set to 1. TCNT is initialized to H'00.
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0
R/W
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
2
0
R/W
1
0
R/W
0
0
R/W
TCNT_0
TCNT_1
Bit
Bit Name
Initial Value
R/W
12.3.2
Time Constant Register A (TCORA)
TCORA is an 8-bit readable/writable register. TCORA_0 and TCORA_1 comprise a single 16-bit
register so they can be accessed together by a word transfer instruction. The value in TCORA is
continually compared with the value in TCNT. When a match is detected, the corresponding
CMFA flag in TCSR is set to 1. Note however that comparison is disabled during the T2 state of a
TCORA write cycle. The timer output from the TMO pin can be freely controlled by this compare
match signal (compare match A) and the settings of bits OS1 and OS0 in TCSR. TCORA is
initialized to H'FF.
7
1
R/W
6
1
R/W
5
1
R/W
4
1
R/W
3
1
R/W
2
1
R/W
1
1
R/W
0
1
R/W
7
1
R/W
6
1
R/W
5
1
R/W
4
1
R/W
3
1
R/W
2
1
R/W
1
1
R/W
0
1
R/W
TCORA_0
TCORA_1
Bit
Bit Name
Initial Value
R/W



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


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
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