Oki MSM85C154HVS - Page 56

CONTROL
49
Figure 3-8 Reset release time chart (external ROM mode)
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1 S2 S3 S4 S5 S6
M1
XTAL1
1 0
ALE
1 0
PSEN
1 0
PORT 0
1 0
PORT 1
1 0
PORT 2
1 0
PORT 3
1 0
RESET
1 0
CPU RESET CONTROL
1 0
RESET EXCECUTE
1 0
PORT DATA = 1
S6
FLOATING
PCLPCLPCL
PCH PCH PCH
CPU RESET EXCECUTE CYCLE
PORT DATA = 1 PORT DATA = 1
EXCECUTE CYCLE
M1