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SH7052 Datasheet(PDF) 343 Page - Renesas Technology Corp

Part # SH7052
Description  SuperHTM RISC engine
PDF  919 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7052 Datasheet(HTML) 343 Page - Renesas Technology Corp

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10.2.24
Duty Registers (DTR)
The duty registers (DTR) are 16-bit registers. The ATU-II has eight duty registers, four each in
channels 6 and 7.
Channel
Abbreviation
Function
6
DTR6A to DTR6D
16-bit PWM duty registers
7
DTR7A to DTR7D
Duty Registers (DTR6A to DTR6D, DTR7A to DTR7D)
Bit:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Initial value:
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
R/W: R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
The DTR registers are 16-bit readable/writable registers used for PWM duty storage.
The DTR value is constantly compared with the corresponding free-running counter (TCNT6A to
TCNT6D, TCNT7A to TCNT7D) value, and when the two values match, the corresponding
channel output pin (TO6A to TO6D, TO7A to TO7D) goes to 0 output. Also, when CYLR and the
corresponding the free-running counter match, the corresponding BFR value is loaded. Set a value
in the range 0 to CYLR for DTR; do not set a value greater than CYLR.
The DTR registers can only be accessed by a word read or write.
The DTR registers are initialized to H'FFFF by a power-on reset, and in hardware standby mode
and software standby mode.



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