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CHAPTER 9 CLOCK GENERATION FUNCTION
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User’s Manual U14359EJ4V0UM
Table 9-4. Operation Status in IDLE Mode
Function
Operation Status
Clock generator
Operating
Internal system clock
Stopped
CPU
Stopped
Ports
Maintained
On-chip peripheral I/O (excluding ports)
Stopped
Internal data
All internal data such as CPU registers, statuses, data,
and the contents of internal RAM are maintained in the
state they were in immediately before IDLE mode
began.
D0 to D15
A0 to A25
High impedance
RD, WE, OE, BCYST
UWR, LWR, IORD, IOWR
LDQM, UDQM
CS0 to CS7
High-level output
LCAS, UCAS
RAS1, RAS3, RAS4, RAS6
SDRAS
SDCAS
REFRQ
Operating
HLDAK
High-level output
HLDRQ
WAIT
SELFREF
Input (no sampling)
SDCKE
SDCLK
CLKOUT
Low-level output
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