Datasheet

Data Sheet ADuC7124/ADuC7126
Rev. C | Page 7 of 108
Parameter Min Typ Max Unit Test Conditions/Comments
LOGIC INPUTS
3
All logic inputs excluding XCLKI
V
INL
, Input Low Voltage 0.8 V
V
INH
, Input High Voltage 2.0 V
LOGIC OUTPUTS All digital outputs excluding XCLKO
V
OH
, Output High Voltage 2.4 V I
SOURCE
= 1.6 mA
V
OL
, Output Low Voltage
11
0.4 V I
SINK
= 1.6 mA
CRYSTAL INPUTS XCLKI and XCLKO
Logic Inputs, XCLKI Only
V
INL
, Input Low Voltage 0.8 V
V
INH
, Input High Voltage 1.6 V
XCLKI Input Capacitance 20 pF
XCLKO Output Capacitance 20 pF
INTERNAL OSCILLATOR 32.768 kHz
±3 %
MCU CLOCK RATE
4
From 32 kHz Internal Oscillator 326 kHz CD = 7
From 32 kHz External Crystal 41.78 MHz CD = 0
Using an External Clock 0.05 44 MHz T
A
= 85°C
0.05 41.78 MHz T
A
= 125°C
START-UP TIME Core clock = 41.78 MHz
At Power-On 66 ms
From Pause/Nap Mode 2.6 µs CD = 0
247 µs CD = 7
From Sleep Mode 1.58 ms
From Stop Mode 1.7 ms
PROGRAMMABLE LOGIC ARRAY (PLA)
Pin Propagation Delay 12 ns From input pin to output pin
Element Propagation Delay 2.5 ns
POWER REQUIREMENTS
12, 13
Power Supply Voltage Range
AV
DD
to AGND and IOV
DD
to IOGND 2.7 3.6 V
Analog Power Supply Currents
AV
DD
Current 165 µA ADC in idle mode
DACV
DD
Current
14
0.02 µA
Digital Power Supply Current
IOV
DD
Current in Active Mode Code executing from Flash/EE
8.1 12.5 mA CD = 7
11.6 17 mA CD = 3
33.3 50 mA CD = 0 (41.78 MHz clock)
IOV
DD
Current in Pause Mode 20.6 30 mA CD = 0 (41.78 MHz clock)
IOV
DD
Current in Sleep Mode 110 µA T
A
= 85°C
600 680 µA T
A
= 125°C
Additional Power Supply Currents
ADC 1.26 mA At 1 MSPS
0.7 mA At 62.5 kSPS
DAC 315 µA Per DAC