HD64F3437TFI16V Renesas Electronics America, HD64F3437TFI16V Datasheet - Page 569

• Manufacturer Part Number: HD64F3437TFI16V
• Description: MCU FLASH 60K 100-TQFP
• Manufacturer: Renesas Electronics America

Specifications of HD64F3437TFI16V

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Auto-erase mode supports only total memory erasing.
2. Do not perform a command write during auto-erasing.
3. Confirm normal end of auto-erasing by checking FO6. Alternatively, status read mode can also
4. Status polling FO6 and FO7 pin information is retained until the next command write. As long
Status Read Mode
1. Status read mode is used to identify what kind of abnormal end has occurred. This mode
2. The return code is retained until a command write for a mode other than status read mode is
Table 21.18
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Programming pulse width
OE output delay time
Disable delay time
CE output delay time
WE rise time
WE fall time
Notes on Use of Erase-Program Mode
be used for this purpose (in FO7 status polling, the pin is the auto-erase operation end
identification pin).
as the next command write has not been performed, reading is possible by enabling CE and
OE.
should be used if an abnormal end occurs in auto-program or auto-erase mode.
executed.
AC Characteristics in Status Read Mode
(Conditions: V
CC
= 5.0 V 10%, V
Symbol
t
t
t
t
t
t
t
t
t
t
t
nxtc
ceh
ces
dh
ds
wep
oe
df
ce
r
f
SS
Min
20
0
0
50
50
70
= 0 V, T
a
= 25 C 5 C)
Max
150
100
150
30
30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
Notes
537