ADUC7126 Analog Devices, ADUC7126 Datasheet - Page 102

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ADUC7126

Manufacturer Part Number
ADUC7126
Description
Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler
Manufacturer
Analog Devices
Datasheet

Specifications of ADUC7126

Mcu Core
ARM7 TDMI
Mcu Speed (mips)
40
Gpio Pins
40
Adc # Channels
16
Other
PWM

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ADuC7124/ADuC7126
POWER-ON RESET OPERATION
An internal power-on reset (POR) is implemented on the
ADuC7124/ADuC7126. For LV
internal POR holds the part in reset. As LV
an internal timer times out for typically 128 ms before the part
is released from reset. The user must ensure that the power
supply, IOV
time. Likewise, on power-down, the internal POR holds the part
in reset until LV
Figure 69 illustrates the operation of the internal POR in detail.
DD
, reaches a stable 2.7 V minimum level by this
DD
drops below 2.40 V.
DD
below 2.40 V typical, the
DD
rises above 2.41 V,
Rev. B | Page 102 of 104
IOV
LV
POR
RST
DD
DD
2.41V TYP
Figure 69. Internal Power-On Reset Operation
128ms TYP
0.12ms TYP
3.3V
2.6V
2.41V TYP

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