gc80c520a CORERIVER Semiconductor, gc80c520a Datasheet - Page 71
gc80c520a
Manufacturer Part Number
gc80c520a
Description
Midas1.0 Family Mask Rom/eprom/romless 8-bit Turbo Microcontrollers
Manufacturer
CORERIVER Semiconductor
Datasheet
1.GC80C520A.pdf
(187 pages)
- Current page: 71 of 187
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An external oscillator may encounter as much as a
to interaction between the amplifier and its feedback capacitance. Once the external signal meets the V
and V
6.2.11 Power Management
The MiDAS1.0 family has two power saving features (POWER DOWN mode and IDLE mode) that help
the user to modify the power consumption of the device.
IH
specifications the capacitance will not exceed 20pF.
XTAL2
MiDAS1.0 Family
Crystal OSC.
PD
On-chip AMP
PD
Load Cap.
C
MiDAS
Figure 6-37 The Load Capacitor vs. Operating Frequency
XTAL2
C
C
On-chip AMP
L
Oscillator
Crystal
XTAL1
(16-bit Counter)
XTAL1
Clock Stable
C
Circuit
Figure 6-36 Clock Circuit
XTUP
L
PD
Page 71 of 187
Crystal OSC.
100pF
IDL
load at XTAL1 pin when it starts up. This is due
Generation
System
Clock
XT
Frequency (log) (HERTZ)
C
L
= LARGE
PD
C
L
= SMALL
(Interrupt / Timer / UART /
IDL
ADC / PWM / WDT / PORT)
CPU
Peripheral
Peri. Clock
CPU Clock
IL
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