h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 749

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Table 20.19 Status Read Mode Return Commands
Note: I/O2 and I/O3 are undefined.
20.11.7 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
Table 20.20 Status Polling Output Truth Table
Pin Name
I/O7
I/O6
I/O0 to I/O5
20.11.8 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 20.21 Stipulated Transition Times to Command Wait State
Pin Name I/O7
Attribute
Initial value 0
Indications Normal
Item
Standby release (oscillation
stabilization time)
Programmer mode setup time
V
CC
mode.
hold time
Normal
end
decision
end: 0
Abnormal
end: 1
During Internal
Operation
0
0
0
I/O6
Command
error
0
Command
error: 1
Otherwise: 0
I/O5
Program-
ming error
0
Program-
ming
error: 1
Otherwise: 0
Symbol
t
t
t
osc1
bmv
dwn
Abnormal End
1
0
0
I/O4
Erase
error
0
Erasing
error: 1
Otherwise: 0
Min
30
10
0
Rev. 5.00 Sep 22, 2005 page 723 of 1136
I/O3
—
0
—
—
0
1
0
I/O2
—
0
—
Max
—
—
—
I/O1
Program-
ming or
erase count
exceeded
0
Count
exceeded: 1
Otherwise: 0
Normal End
1
1
0
REJ09B0257-0500
Section 20 ROM
Unit
ms
ms
ms
I/O0
Effective
address
error
0
Effective
address
error: 1
Otherwise: 0