ADUC7126BSTZ126-RL Analog Devices Inc, ADUC7126BSTZ126-RL Datasheet - Page 102

• Manufacturer Part Number: ADUC7126BSTZ126-RL
• Description: ARM7 With 12-Bit ADC & DACs, 128kB Flash
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC7xxxr

Specifications of ADUC7126BSTZ126-RL

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 41.78MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 40
• Program Memory Size: 126KB (126K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 12x12b, D/A 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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