Datasheet
ADuC814
Rev. A | Page 6 of 72
Parameter V
DD
= 5 V V
DD
= 3 V Unit Test Conditions
SCLOCK and RESET Only
14
(Schmitt-Triggered Inputs)
V
T+
1.3 0.95 V min
3.0 2.5 V max
V
T–
0.8 0.4 V min
1.4 1.1 V max
V
T+
– V
T–
0.3 0.3 V min
0.85 0.85 V max
INPUT CURRENTS
P1.2–P1.7, DLOAD ±10 ±10 µA max V
IN
= 0 V or V
DD
SCLOCK
15
–10 –3 µA min V
IN
= 0 V, internal pull-up
–40 –15 µA max V
IN
= 0 V, internal pull-up
±10 ±10 µA max V
IN
= V
DD
RESET ±10 ±10 µA max V
IN
= 0 V
20 10 µA min V
IN
= 5 V, 3 V internal pull-down
105 35 µA max V
IN
= 5 V, 3 V internal pull-down
P1.0, P1.1, Port 3
15
±10 ±10 µA max V
IN
= 5 V, 3 V
(includes MISO, MOSI/SDATA and
S
S
)
1 1 µA typ
–180 –70 µA min V
IN
= 2 V, V
DD
= 5 V, 3 V
–660 –200 µA max
–360 –100 µA typ
–20 –5 µA min V
IN
= 450 mV, V
DD
= 5 V, 3 V
–75 –25 µA max
–38 –12 µA typ
INPUT CAPACITANCE 5 5 pF typ All digital inputs
CRYSTAL OSCILLATOR
(XTAL1 AND XTAL2)
Logic Inputs, XTAL1 Only
V
INL
, Input Low Voltage 0.8 0.4 V typ
V
INH
, Input High Voltage 3.5 2.5 V typ
XTAL1 Input Capacitance 18 18 pF typ
XTAL2 Output Capacitance 18 18 pF typ
DIGITAL OUTPUTS
Output High Voltage (V
OH
) 2.4 2.4 V min I
SOURCE
= 80 mA
Output Low Voltage (V
OL
)
Port 1.0 and Port 1.1 0.4 0.4 V max I
SINK
= 10 mA, T
MAX
= 85°C
Port 1.0 and Port 1.1 0.4 0.4 V max I
SINK
= 10 mA, T
MAX
= 125°C
SCLOCK, MISO/MOSI 0.4 0.4 V max I
SINK
= 4 mA
All Other Outputs 0.4 0.4 V max I
SINK
= 1.6 mA
MCU CORE CLOCK
MCU Clock Rate 131.1 131.1 kHz min
Clock rate generated via on-chip PLL,
programmable via CD2-0 in PLLCON
16.78 16.78 MHz max
START UP TIME
At Power-On 500 500 ms typ
From Idle Mode 100 100 µs typ
From Power-Down Mode
Oscillator Running OSC_PD = 0 in PLLCON SFR
Wake-Up with
I
NT0
Interrupt
100 100 µs typ
Wake-Up with SPI/I
2
C Interrupt 100 100 µs typ
Wake-Up with TIC Interrupt 100 100 µs typ
Wake-Up with External RESET 3 3 ms typ