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HD404339 Datasheet(PDF) 21 Page - Renesas Technology Corp

Part # HD404339
Description  microcomputer with large-capacity memory designed to
PDF  80 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404339 Datasheet(HTML) 21 Page - Renesas Technology Corp

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HD404339 Series
19
Operating Modes
The MCU has five operating modes as shown in table 3. Transitions between operating modes are shown
in figure 11.
Table 3
Operations in Each Operating Mode
Function
Active Mode
Subactive
Mode
Standby Mode
Watch Mode
Stop Mode
System oscillator
OP
Stopped
OP
Stopped
Stopped
Subsystem oscillator OP
OP
OP
OP
* OP
CPU
OP
OP
Retained
Retained
Reset
RAM
OP
OP
Retained
Retained
Retained
Timer A
OP
OP
OP
OP
Reset
Timers B, C
OP
OP
OP
Stopped
Reset
Serial
OP
OP
OP
Stopped
Reset
A/D
OP
Stopped
OP
Stopped
Reset
I/O
OP
OP
Retained
Retained
Reset
Notes: OP
implies in operation.
* Oscillation can be switched on or off with bit 3 of system clock selection register 1 (SSR1: $027).



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