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HD404849 Datasheet(PDF) 13 Page - Renesas Technology Corp

Part # HD404849
Description  4-Bit Single-Chip Microcomputer
PDF  127 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404849 Datasheet(HTML) 13 Page - Renesas Technology Corp

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HD404849 Series
11
IE
IM
LSON
IAOF
IF
ICSF
ICEF
RAME
RSP
WDON
ADSF
Not used
DTON
SEM/SEMD
REM/REMD
TM/TMD
Allowed
Allowed
Allowed
Not executed
Allowed
Allowed
Not executed
Allowed
Inhibited
Allowed
Not executed
Inhibited
Allowed
Inhibited
Allowed
Not executed in active mode
Allowed
Allowed
Used in subactive mode
Not executed
Not executed
Inhibited
Note: WDON is reset by MCU reset or by
STOPC enable for stop mode cancellation.
The REM or REMD instuction must not be executed for ADSF during A/D conversion.
DTON is always reset in active mode.
If the TM or TMD instruction is executed for the inhibited bits or non-existing bits,
the value in ST cannot be guaranteed.
Bits in the interrupt control bits area and register flag area can be set and reset by the
SEM/SEMD and REM/REMD instructions, and tested with the TM/TMD instructions.
Other instructions have no effect on these bits. Note the following restrictions for each
bit.
Figure 4 Usage Limitations of RAM Bit Manipulation Instructions



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