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HD404374FT Datasheet(PDF) 45 Page - Renesas Technology Corp

Part # HD404374FT
Description  Low-Voltage AS Microcomputers with On-Chip A/D Converter
PDF  161 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404374FT Datasheet(HTML) 45 Page - Renesas Technology Corp

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HD404374/HD404384/HD404389/HD404082/HD404084 Series
Rev.5.00, Sep.11.2003, page 45 of 161
Reset by
pin
input or
watchdog timer
Reset
(TMA3=0)
(TMA3=1)
Timer A,
0
or
0
interrupt
Standby mode
Active mode
SBY
instruction
interrupt
SBY
instruction
interrupt
STOP
instruction
(TMA3=1,LSON=0)
(TMA3=1,LSON=1)
fosc
:
fx :
fcyc
:
fw
:
fSUB
:
CPU
:
CLK
:
PER
:
LSON
:
DTON
:
TMA3
:
Main oscillator frequency
Sub-oscillator frequency
(for realtime clock)
fOSC/32 or fOSC/4 (selected by
software)
fx/8
fx/8 or fx/4 (selected by software)
System clock
Clock for realtime clock
Peripheral function clock
Low speed on flag
Direct transfer on flag
Timer mode register A bit3
Timer A,
0
or
0
interrupt
0
STOP
instruction
0
STOP
instruction
STOP
instruction
Stop mode
(TMA3=0,SSR3=0,LSON=0)
(TMA3=0,SSR3=1,LSON=0)
Subactive mode
*4
*2
*3
*1
*5
DTON
1
0
Don't care
0
Transition Condition
STOP/SBY instruction
STOP/SBY instruction
STOP/SBY instruction
STOP/SBY instruction
LSON
0
0
1
0
*1
*2
*3
*4
TMA3
1
1
1
0
Watch mode
fosc
fx
CPU
CLK
PER
: Stop
: Stop
: Stop
: Stop
: Stop
fosc
fx
CPU
CLK
PER
: Active
: Active
: fcyc
: fcyc
: fcyc
fosc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: Stop
: Stop
fosc
fx
CPU
CLK
PER
: Active
: Active
: Stop
: fcyc
: fcyc
fosc
fx
CPU
CLK
PER
: Stop
: Active
: fSUB
: fw
: fSUB
fosc
fx
CPU
CLK
PER
: Active
: Active
: fcyc
: fw
: fcyc
fosc
fx
CPU
CLK
PER
: Active
: Active
: Stop
: fw
: fcyc
fosc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: fw
: Stop
fosc
fx
CPU
CLK
PER
: Stop
: Active
: Stop
: fw
: Stop
*5 Applies to HD404384, HD404389, HD404082,
and HD404084 Series.
Note: Watch mode and subactive mode apply to HD404374 Series.
Figure 11 MCU Status Transitions



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