Status Polling; Programmer Mode Transition Time - Renesas H8/38024 Hardware Manual

6.10.7

Status Polling

1. The I/O7 status polling flag indicates the operating status in auto-program/auto-erase mode.
2. The I/O6 status polling flag indicates a normal or abnormal end in auto-program/auto-erase
mode.
Table 6.21 Status Polling Output Truth Table
I/O7
0
1
1
0
6.10.8

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 6.22 Stipulated Transition Times to Command Wait State
Item
Oscillation stabilization time(crystal oscillator)
Oscillation stabilization time(ceramic oscillator)
Programmer mode setup time
Vcc hold time
Vcc
RES
Figure 6.20 Oscillation Stabilization Time, Boot Program Transfer Time,
I/O6
0
0
1
1
t t
osc1 bmv
and Power-Down Sequence
I/O0 to 5
0
0
0
0
Symbol Min
T 10
osc1
T 5
osc1
T 10
bmv
T 0
dwn
Auto-program mode
Auto-erase mode
Status
During internal operation
Abnormal end
Normal end
—
Max Unit
— ms
— ms
— ms
— ms
t
dwn
Rev. 6.00, 08/04, page 183 of 628
Notes
Figure 6.20