HD6432646 Hitachi, HD6432646 Datasheet - Page 127

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

(1) (3) Reset exception handling vector address (when reset, (1) = H'000000,
(2) (4) Start address (contents of reset exception handling vector address)
(5)
(6)
ø
RES
Internal
address bus
Internal read
signal
Internal write
signal
Internal data
bus
(3) = H'000002)
Start address ((5) = (2) (4))
First program instruction
Figure 4-2 Reset Sequence (Modes 6 and 7)
Vector
fetch
(1)
(2)
processing
Internal
High
(4)
(3)
Prefetch of first program
instruction
(5)
(6)
93