tmp89fh40 TOSHIBA Semiconductor CORPORATION, tmp89fh40 Datasheet - Page 412
tmp89fh40
Manufacturer Part Number
tmp89fh40
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89FH40.pdf
(426 pages)
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25.3
DC Characteristics
RA005
Peak current of inter-
mittent operation
(Notes 7 and 9)
Current for writing to
flash memory, erasing
and security program
(Notes 4, 8 and 9)
Parameter
Note 1: Typical values shown are Topr = 25°C and V
Note 2: I
Note 3: V
Note 4: When performing a write or erase on the flash memory or activating a security program in the flash memory, make sure
Note 5: In SLOW1 mode, the difference between the peak current and the average current becomes large.
Note 6: Each supply current in SLOW2 mode is equivalent to that in IDLE0, IDLE1 and IDLE2 modes.
Note 7: When a program operates in the flash memory or when data is being read from the flash memory, the flash memory
Note 8: If a write or erase is performed on the flash memory or a security program is enabled in the flash memory, an instantaneous
Note 9: The circuit of a power supply must be designed such as to enable the supply of a peak current. This peak current causes
Program counter (PC)
that the operating temperature Topr is within the range −10°C to 40°C. If the temperature is outside this range, the resultant
performance cannot be guaranteed.
operates intermittently, and a peak current flows, as shown in Figure 25-4. In this case, the supply current I
MAL1, NORMAL2 and SLOW1 modes) is defined as the sum of the average peak current and MCU current.
peak current flows, as shown in Figure 25-5.
the supply voltage in the device to fluctuate. Connect a bypass capacitor of about 0.1 μF near the power supply of the
device to stabilize its operation.
DD
IN
does not include I
: The input voltage on the pin except MODE pin, V
Symbol
I
DDRP-P
I
DDEW
I
DDP-P
[mA]
Figure 25-4 Intermittent Operation of Flash Memory
1 machine cycle
n
REF
. It is the electrical current in the state in which the peripheral circuitry has been operated.
Pins
n+1
n+2
Page 398
DD
V
V
V
V
V
V
V
V
V
DD
IN
MODE
DD
IN
MODE
DD
IN
MODE
= 5.0 V, unless otherwise specified.
= 5.3 V/0.2 V
= 2.8 V/0.2 V
= 5.3 V/0.2 V
= 5.5 V
= 3.0V
= 5.5 V
=5.3V/0.1V
=2.8V/0.1V
=5.3V/0.1V
MODE
n+3
: The input voltage on the MODE pin
Condition
When a program
operates on flash
memory or when
data is being read
from flash memory
Momentary flash current
Maximum current
Typical current
MCU current
Min
−
−
−
(V
Sum of average
momentary flash
current and
MCU current
SS
Typ.
= 0 V, Topr = −40 to 85°C)
10
26
2
TMP89FH40
Max
−
−
−
DD
(in NOR-
Unit
mA
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