228
Bus sizing function for I/O bus width (only in little-endian mode)
•
Refresh function
Refresh cycles will be automatically maintained in sleep mode even after the external bus
frequency is reduced to 1/4 of its normal operating frequency
•
Short refresh cycle control
The overflow interrupt function of the refresh counter enables the refresh function
immediately after a self-refresh operation using low power-consumption DRAM
•
The refresh counter can be used as an interval timer
Outputs an interrupt request signal using the compare-match function
Outputs an interrupt request signal when the refresh counter overflows
Summary of Contents for SH7709S
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