E202075_HD404889 Datasheet, PDF (31/202 Pages) Renesas Technology Corp – Low-Voltage AS Microcomputers with On-Chip LCD Circuit

HD404889/HD404899/HD404878/HD404868 Series
RAM address
$000
$001
$002
$003
Bit 3
IMWU^*1
(WU0 to WU3
interrupt mask)
IM1
(INT1 interrupt mask)
IMTB
(Timer B interrupt
mask)
IMAD^*3
(A/D converter
interrupt mask)
Bit 2
IFWU^*2
(WU0 to WU3
interrupt request flag)
IF1
(INT1 interrupt
request flag)
IFTB
(Timer B interrupt
request flag)
IFAD^*3
(A/D converter interrupt
request flag)
Bit 1
RSP
(Stack pointer reset)
IM0
(INT0 interrupt
mask)
IMTA
(Timer A interrupt
mask)
IMTC
(Timer C interrupt
mask)
Bit 0
IE
(Interrupt enable flag)
IF0
(INT0 interrupt
request flag)
IFTA
(Timer A interrupt
request flag)
IFTC
(Timer C interrupt
request flag)
$020
$021
$022
$023
DTON
(DTON flag)
GEF
(Gear enable flag)
ADSF^*3
(A/D start flag)
Not used
IMTD^*4
(Timer D interrupt mask)
IMS
(Serial interrupt
mask)
IFTD^*4
(Timer D interrupt
request flag)
IFS
(Serial interrupt
request flag)
WDON
(Watchdog on flag)
ICEF
(Input capture error
flag)
LSON
(Low speed on flag)
ICSF
(Input capture status
flag)
Not used
Not used
Not used
Not used
IF : Interrupt Request Flag
IM : Interrupt Mask
IE : Interrupt Enable Flag
SP : Stack Pointer
Notes: 1. WU₀ to WU₂ interrupt mask in the HD404868 Series
2. WU₀ to WU₂ interrupt request flag in the HD404868 Series
3. Applies to the HD404889, HD404899, and HD404868 Series.
4. Applies to the HD404889, HD404899, and HD404878 Series.
Figure 3 Interrupt Control Bit and Register Flag Area Configuration
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