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III PERIPHERAL BLOCK: PRESCALER
B-III-2-8 EPSON S1C33210 FUNCTION PART
1)Blocks that use an operating clock generated by the prescaler
• 16-bit programmable timers 0 to 5 (watchdog timer)
• 8-bit programmable timers 0 to 5 (DRAM refresh, serial interface)
• A/D converter
2)Blocks that use the clock supplied to the prescaler (the prescaler source clock)
• 16-bit programmable timers 0 to 5 (watchdog timer)
• 8-bit programmable timers 0 to 5 (DRAM refresh)
• A/D converter
• Serial interface
• Ports
If none of the blocks in groups 1 and 2 above are used, turn off the prescaler (by setting PSCON in the power
control register (0x40180) to "0"). If any of the blocks in groups 1 and 2 above are used, do not turn off the
prescaler. Turning off the prescaler turns off the clock signal supplied to the blocks in group 2 above. Also, if
only some of the circuits in group 1 above are used, turn off all the other circuits and stop clock supply from the
prescaler to those circuits.