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HD6433937 Datasheet, PDF (109/521 Pages) Hitachi Semiconductor – Hardware Manual
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Table 5-2 Internal State in Each Operating Mode
Active Mode
Sleep Mode
Function
High-
Speed
Medium- High-
Speed
Speed
Medium- Watch
Speed
Mode
Subactive Subsleep Standby
Mode
Mode
Mode
System clock oscillator Functions Functions Functions Functions Halted
Halted
Halted
Halted
Subclock oscillator
Functions Functions Functions Functions Functions Functions Functions Functions
CPU
Instructions Functions Functions Halted
Halted
Halted
Functions Halted
Halted
operations RAM
Retained Retained Retained
Retained Retained
Registers
I/O ports
Retained* 1
IRQ0
IRQ0
interrupt
Functions Functions Functions Functions Functions Functions Functions Functions
External IRQ1
interrupts IRQ2
IRQ3
IRQ4
WKP0
WKP1
WKP2
WKP3
WKP4
WKP5
WKP6
WKP7
Peripheral Timer A
Functions Functions Functions Functions Retained*5 Functions Functions Functions
Retained* 5
Functions Functions Functions Functions Functions Functions Functions Functions
Functions Functions Functions Functions Functions*4 Functions*4 Functions*4 Retained
functions Timer C
Retained Functions/ Functions/ Retained
Retained*2 Retained*2
WDT
Functions/ Retained
Retained* 7
Timer G,
Timer F
Functions/ Functions/ Functions/
Retained*6 Retained*2 Retained*2
SCI1
Retained Functions/ Functions/ Retained
Retained*2 Retained*2
SCI31,
SCI32
Reset
Functions/ Functions/ Reset
Retained*3 Retained*3
A/D
converter
Retained Retained Retained Retained
FLEX™
decoder
Functions Functions Functions Functions
Notes:
1. Register contents are retained, but output is high-impedance state.
2. Functions if an external clock or the øW/4 internal clock is selected; otherwise halted and retained.
3. Functions if øW/2 is selected as the internal clock; otherwise halted and retained.
4. Functions if the time-base function is selected.
5. External interrupt requests are ignored. Interrupt request register contents are not altered.
6. Functions if øW/4 is selected as the external or internal clock; otherwise halted and retained.
7. Functions if øW/32 is selected as the internal clock; otherwise halted and retained.
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