gc80c520g CORERIVER Semiconductor, gc80c520g Datasheet - Page 17

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

6.4. CPU Timing : MOVX Reading
1st Machine Cycle 2nd Machine Cycle 3rd Machine Cycle
S1
S2
S3
S4
S1
S2
S3
S4
S1
S2
S3
S4
XTAL1
IR
INST0
INST1
MOVX Read Instruction
INST2
ALE
PSEN
RD
PORT0
INST1
ADDL_1
MOVX
ADDL_2
INST2
XRAM_L
MOVX Read Data
ADDL_3
INST3
MOVX read data
MOVX address
PORT2
ADDH_0
ADDH_1
ADDH_2
XRAM_H
ADDH_3
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MiDAS1.0 Family