Datasheet

Section 21 ROM (Mask ROM Version, H8S/2138 F-ZTAT, H8S/2134 F-ZTAT, and H8S/2132 F-ZTAT)
Rev. 4.00 Jun 06, 2006 page 620 of 1004
REJ09B0301-0400
21.10.8 Status Polling
• The FO7 status polling flag indicates the operating status in auto-program or auto-erase mode.
• The FO6 status polling flag indicates a normal or abnormal end in auto-program or auto-erase
mode.
Table 21.20 Status Polling Output Truth Table
Pin Names
Internal Operation
in Progress Abnormal End — Normal End
FO7 0 1 0 1
FO6 0 0 1 1
FO0 to FO5 0 0 0 0
21.10.9 Programmer Mode Transition Time
Commands cannot be accepted during the oscillation stabilization period or the programmer mode
setup period. After the programmer mode setup time, a transition is made to memory read mode.
Table 21.21 Command Wait State Transition Time Specifications
Item Symbol Min Max Unit
Standby release
(oscillation stabilization time)
t
osc1
20 — ms
PROM mode setup time t
bmv
10 — ms
V
CC
hold time t
dwn
0 — ms
VCC
RES
Memory read
mode
Command wait
state
Command reception
Command
wait state
Normal/
abnormal end
identification
Auto-program mode
Auto-erase mode
t
osc1
t
bmv
t
dwn
Don't care
Figure 21.23 Oscillation Stabilization Time, Programmer Mode Setup Time,
and Power Supply Fall Sequence