M38258MCM Datasheet, PDF (38/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
XIN
φ
RESET
Internal reset
Address
Data
Reset address from
vector table
?
?
?
?
FFFC FFFD ADH, ADL
ADL
ADH
SYNC
Fig. 38 Reset sequence
XIN : about 8000
clock cycles
Notes 1 : XIN and φ are in the relationship : f(XIN) = 8• f(φ)
2 : A question mark (?) indicates an undefined status that depends on the previous status.
38