D12320VF25V Datasheet, PDF (656/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
17.11.9 Programmer Mode Transition Time
Commands cannot be accepted during the oscillation stabilization period or the progremmer mode
setup period. After the progremmer mode setup time, a transition is made to memory read mode.
Table 17.24 Command Wait State Transition Time Specifications
Item
Symbol
Min
Standby release (oscillation
tosc1
30
stabilization time)
Programmer mode setup time tbmv
10
VCC hold time
tdwn
0
Max
Unit
—
ms
—
ms
—
ms
VCC
RES
FWE
tosc1
tbmv
Memory read
mode
Command
wait state
Auto-program mode
Auto-erase mode
Command
wait state
Normal/
abnormal end
identification tdwn
Note: Except in auto-program mode and auto-erase mode, drive the FWE input pin low.
Figure 17.29 Oscillation Stabilization Time, Programmer Mode Setup Time, and Power
Supply Fall Sequence
Rev.7.00 Feb. 14, 2007 page 622 of 1108
REJ09B0089-0700