gc80c590ae CORERIVER Semiconductor, gc80c590ae Datasheet - Page 72

• Manufacturer Part Number: gc80c590ae
• Description: Flash / Isp / Iap 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

Crystal OSC.
6.14. Clock Circuit
System Clock Sources
Disable of External Clock (Crystal or External Oscillator)
WDCON.2
EWDT
EIE.4
EWT
IE.7
EA
External Oscillator or Crystal
Internal Ring Oscillator
If XTOFF is set.
When MCU is in stop mode and WDT is not active.
XTOFF
PMR.3
Semiconductor Co., Ltd.
PCON.1
PD
OSCICN.2
RINGON
(16-bit Counter)
Clock Stable
STATUS.4
XTUP
Circuit
RING Oscillator
Internal
XCLK
Disable of the Internal RING Oscillator
Wake-up from stop by WDT
If RINGON is cleared.
When MCU is in stop mode and WDT is not active.
WDT is active in stop mode if EWT is set or WDT
interrupt is enabled.
In this case, the clock of WDT is alive during stop mode.
Generation
System
XT/RG
EXIF.3
Clock
OSCICN[1:0]
Divider
DIV1
DIV0
RCLK
PCON.1
SYS_CLK
PD
MiDAS2.0 Family
PCON.0
IDL
Peri. Clock
CPU Clock
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