gc80c520g CORERIVER Semiconductor, gc80c520g Datasheet - Page 51

• Manufacturer Part Number: gc80c520g
• Description: Eprom / Rom / Romless Based 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

Crystal OSC.
6.15. Clock Circuit
System Clock Sources
Crystal OSC
Oscillator
PD
Clock Stabilizing
(16-bit Counter)
XTUP
Circuit
Crystal OSC.
EXIF (91h) : External Interrupt Flag Register
STATUS (C5h) : Crystal Status Register
PMR (C4h) : Power Management Control Register
PCON (87h) : Power Control Register
R/W(0) R/W(0) R/W(0) R/W(0)
SMOD1 SMOD0
R/W(0) R/W(0)
IE5
-
-
Generation
System
Clock
XT
IE4
-
-
IE3
-
-
-
R/W(1) R/W(0) R/W(0) R/W(0) R/W(0)
XTUP
PD
R(0)
POF
IE2
MiDAS1.0 Family
-
R(1)
GF1
XT
-
-
IDL
ALEOFF
R/W(0)
GF0
-
-
PD
-
-
-
Peri. Clock
CPU Clock
R/W(1)
BGS
IDL
-
-
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