MAXQ615 Maxim Integrated Products, MAXQ615 Datasheet - Page 7

• Manufacturer Part Number: MAXQ615
• Description: 16-Bit MAXQ Microcontroller
• Manufacturer: Maxim Integrated Products

Figure 4. I
Note 1: The user application must check the status of the power-fail warning flag before writing to flash memory to ensure com-
Note 2: The power-fail warning monitor and the power-fail reset monitor track each other with a typical delta between the two of
Note 3: The power-fail reset and POR detectors operate in tandem so one or both of these signals is active at all times when V
Note 4: Measured on the V
Note 5: Measured on the V
Note 6: The minimum amount of time that V
Note 7: The maximum total current, I
Figure 3. Series Resistors (R
SDA
SCL
NOTE: TIMING REFERENCED TO V
plete write operations. Writes to flash memory must not be performed when the supply voltage drops below the power-fail
warning levels.
0.13V at minimum power-fail warning selection.
< V
any current. Part is executing code from flash memory.
any current. Program execution is halted in idle mode.
for detailed information.
maximum specified voltage drop.
2
C Bus Controller Timing Diagram
t
F_I2C
RST
, ensuring the device maintains the reset state until minimum operating voltage is achieved.
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S
t
LOW_I2C
t
HD:STA
IH_I2C(MIN)
DD
DD
S
) for Protecting Against High-Voltage Spikes
pin and the part not in reset. All inputs are connected to GND or V
pin and the part not in reset. All inputs are connected to GND or V
AND V
MAXQ615
t
HD:DAT
OH(MAX)
IL_I2C(MAX).
t
R_I2C
P0.7
P0.6
DD
16-Bit MAXQ Microcontroller with
and I
must be below V
SDA
SCL
OL(MAX)
t
SU:DAT
DEVICE
R
I
t
2
S
HIGH_I2C
C
, for all listed outputs combined should not exceed 32mA to satisfy the
R
DD
S
before a power-fail event is detected. Refer to the user manual
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DEVICE
V
R
I
2
DD
S
C
Sr
Hardware Multiplier
R
S
t
SU:STA
R
P
R
P
DD
DD
. Outputs do not source/sink
. Outputs do not source/sink
t
SU:STO
MAXQ615
P
t
BUF
S
DD
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