W681307DG Datasheet, PDF (39/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
8. SUPPORT LOGIC
： The Support Logic provides the following functionality
• System reset and Clock Control
• Interrupt Processing / Control
• Ringer Tone Generation
： Figure 8-1 illustrates the functionality of the MCU Chip Support Logic
SysClock
ResetN
SysClock2En
SysClock3En
SysClock4En
Reset &
Clock Control
SysReset
Reset32K
SysClock1
SysClock2
SysClock3
SysClock4
KeyIntrpt
TimerIntrpt
SpeechIntrpt
IntrptSource
IntrptEnable
IntrptPriority
Interrupt
Control
INT0
INT1
SysClock4
SysReset
SounderTone1
SounderTone2
SounderVol1
SounderVol2
Reset &
Clock Control
SNDR
Figure 8-1 Illustration of the MCU Chip Support Logic
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Publication Release Date: May, 2007
Revision 1.3