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SH7041A Datasheet(PDF) 487 Page - Renesas Technology Corp

Part # SH7041A
Description  Renesas 32-Bit Single-Chip RISC Microprocessor SuperH RISC engine Family/SH7040 Series(CPU Core SH-2)
PDF  923 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7041A Datasheet(HTML) 487 Page - Renesas Technology Corp

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449
12.10.2
Output Level Control/Status Register (OCSR)
The output level control/status register (OCSR) is a 16-bit read/write register that controls the
enable/disable of both output level comparison and interrupts, and indicates status. If the OSF bit
is set to 1, the high current pins become high impedance.
OCSR is initialized to H'0000 by an external power-on reset; however, it is not initialized for
manual resets, reset by WDT standby mode, or sleep mode, so the previous data is maintained.
Bit:
15
14
13
12
11
10
9
8
OSF
—
—
—
—
—
OCE
OIE
Initial value:
0
0
0
0
0
0
0
0
R/W:
R/(W)*
R
R
R
R
R
R/W
R/W
Bit:
7
6
5
4
3
2
1
0
——
——
———
—
Initial value:
0
0
0
0
0
0
0
0
R/W:
R
R
R
R
R
R
R
R
Note: * Only 0 writes are possible to clear the flag.
• Bit 15—Output Short Flag (OSF): This flag indicates that among the three pairs of 2 phase
outputs compared, the outputs of at least one pair have simultaneously become Low level
output.
Bit 15: OSF
Description
0
Clear condition: By writing 0 to OSF after reading an OSF = 1 (initial value)
1
Set condition: When any one pair of the 2-phase outputs simultaneously
become Low level
• Bits 14–10—Reserved: These bits always read as 0. The write value should always be 0.



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