UPD75218 NEC, UPD75218 Datasheet - Page 12
UPD75218
Manufacturer Part Number
UPD75218
Description
4-BIT SINGLE-CHIP MICROCOMPUTER
Manufacturer
NEC
Datasheet
1.UPD75218.pdf
(62 pages)
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12
4. MEMORY CONFIGURATION
•
•
Program memory (ROM): 32640 words
• 0000H and 0001H: Vector table which contains the program start address after reset
• 0002H to 000FH : Vector table which contains the program start addresses when interrupts occur
• 0020H to 007FH : Table area referenced by a GETI instruction
Data memory
• Data area
• Peripheral hardware area : 128 words
: 1024 words
8 bits
4 bits (F80H to FFFH)
4 bits (000H to 3FFH)
PD75218
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