gc80c590ae CORERIVER Semiconductor, gc80c590ae Datasheet - Page 75

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

6.15. Power Management : 3 Modes
Active Mode
Idle Mode
Stop Mode
The CPU resumes.
the ring oscillator will operate during the stop mode.
recommended to execute the NOP instruction twice after the
PD bit of PCON is set to 1.
Wake-up
Wake-up
Wake-up
Wake-up by activating all kinds of resets. CPU restarts.
Wake-up by activating WDT interrupt or reset.
If WDT remains enabled, either the crystal oscillator or
To prevent malfunction of I/O ports during wake-up, it is
by activating any interrupt. The CPU resumes.
by activating any reset. The CPU restarts.
by activating external interrupt 0 or 1 (level detect)
Only the Peripherals operate.
XTAL2
:
:
:
PD
The CPU and The Peripherals operate.
The CPU is gated off from the clock signal.
The CPU and Peripherals are stopped.
Semiconductor Co., Ltd.
C
OSC
C
XTAL1
.
PD
IDL
Wake-up from stop mode
PCON (87h) : Power Control Register
SMOD1 SMOD0
R/W(0) R/W(0)
PD
IDL
The crystal oscillator was used before invoking stop mode
and WDT is disabled : External interrupt signals must be
held ‘0’ for at least (2
MCU clocks will be activated after the 16-bit crystal
stabilization counter overflows.
An User set RGSL(EXIF.1) bit. It enables the MCU
immediately to wake up using the internal ring oscillator.
After the stabilization counter overflows, XTAL clock will
be available again.
The ring oscillator is available without stabilization. In this
case, external interrupt signals should be held ‘0’ is for at
least 8 clock cycles, implemented by executing the NOP
instruction twice, to enter the interrupt service routine.
: Stop Mode (Power-down) Enable.
: IDLE Mode Enable.
-
(Interrupt / Timer / UART /
MiDAS2.0 Family
ADC / PCA / WDT / PORT)
R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
Peripheral
CPU
POF
16
+ 8) clock cycles. The internal
GF1
GF0
PD
IDL
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