Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

7721 Datasheet(PDF) 257 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 257 Page - Renesas Technology Corp

Back Button 7721 Datasheet HTML 253Page - Renesas Technology Corp 7721 Datasheet HTML 254Page - Renesas Technology Corp 7721 Datasheet HTML 255Page - Renesas Technology Corp 7721 Datasheet HTML 256Page - Renesas Technology Corp 7721 Datasheet HTML 257Page - Renesas Technology Corp 7721 Datasheet HTML 258Page - Renesas Technology Corp 7721 Datasheet HTML 259Page - Renesas Technology Corp 7721 Datasheet HTML 260Page - Renesas Technology Corp 7721 Datasheet HTML 261Page - Renesas Technology Corp Next Button
Zoom Inzoom in Zoom Outzoom out
 257 / 577 page
background image
A-D CONVERTER
7721 Group User’s Manual
12–6
12.2 Block description
12.2.2 A-D sweep pin select register
Figure 12.2.3 shows the structure of the A-D sweep pin select register.
Fig. 12.2.3 Structure of A-D control register 1
(1)
A-D sweep pin select bits (bits 1 and 0)
These bits are used to select analog input pins in the single sweep mode or repeat sweep mode.
In the single sweep mode and repeat sweep mode, pins which are not selected as analog input pins
function as programmable I/O ports.
b7
b6
b5
b4
b3
b2
b1
b0
A-D sweep pin select register (Address 1F16)
Bit
1
0
Bit name
At reset
1
Undefined
RW
Functions
Notes 1: These bits are invalid in the one-shot and repeat modes. (They may be either “0” or
“1.”)
2: When selecting an external trigger, the AN7 pin cannot be used as an analog input pin.
3: Writing to each bit of the A-D sweep pin select register must be performed while the
A-D converter halts.
7 to 2
RW
0 0 : AN0, AN1 (2 pins)
0 1 : AN0 to AN3 (4 pins)
1 0 : AN0 to AN5 (6 pins)
1 1 : AN0 to AN7 (8 pins) (Note 2)
A-D sweep pin select bits
(Valid in single sweep and repeat
sweep mode ) (Note 1)
b1 b0
1
RW
Nothing is assigned.
–



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