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7721 Datasheet(PDF) 479 Page - Renesas Technology Corp

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

7721 Datasheet(HTML) 479 Page - Renesas Technology Corp

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APPENDIX
Appendix 3. Control registers
7721 Group User’s Manual
17–16
Count start register
Bit
Timer B2 count start bit
Timer B1 count start bit
Timer B0 count start bit
Timer A4 count start bit
Timer A3 count start bit
Timer A2 count start bit
Timer A1 count start bit
Timer A0 count start bit
Bit name
At reset
0
0
0
0
0
0
0
0
RW
Functions
b7
b6
b5
b4
b3
b2
b1
b0
Count start register (Address 4016)
0 : Stop counting
1 : Start counting
RW
RW
RW
RW
RW
RW
RW
RW
0
1
2
3
4
5
6
7
One-shot start register
Bit
7 to 5 Nothing is assigned.
Timer A4 one-shot start bit
Timer A3 one-shot start bit
Timer A2 one-shot start bit
Bit name
At reset
0
0
Undefined
0
0
0
RW
Functions
b7
b6
b5
b4
b3
b2
b1
b0
One-shot start register (Address 4216)
1 : Start outputting one-shot pulse
(valid when internal trigger is
selected.)
The value is “0” at reading.
0
1
2
3
4
WO
WO
WO
WO
WO
–
00
Fix these bits to “0.” The value is “0” at reading.



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