Datasheet

ADuC845/ADuC847/ADuC848 Data Sheet
Rev. C | Page 8 of 108
Parameter Min Typ Max Unit Conditions
LOGIC OUTPUTS
(All Digital Outputs except XTAL2)
V
OH
, Output High Voltage
2
2.4 V DV
DD
= 5 V, I
SOURCE
= 80 µA
2.4 V DV
DD
= 3 V, I
SOURCE
= 20 µA
V
OL
, Output Low Voltage 0.4 V I
SINK
= 8 mA, SCLOCK, SDATA
0.4 V I
SINK
= 1.6 mA on P0, P1, P2
Floating State Leakage Current
2
±10 µA
Floating State Output Capacitance 10 pF
START-UP TIME
At Power-On 600 ms
After Ext RESET in Normal Mode 3 ms
After WDT RESET in Normal Mode
2 ms Controlled via WDCON SFR
From Power-Down Mode
Oscillator Running PLLCON.7 = 0
Wake-Up with INT0 Interrupt
20 µs
Wake-Up with SPI Interrupt 20 µs
Wake-Up with TIC Interrupt 20 µs
Oscillator Powered Down PLLCON.7 = 1
Wake-Up with INT0 Interrupt
30 µs
Wake-Up with SPI Interrupt 30 µs
FLASH/EE MEMORY RELIABILITY
CHARACTERISTICS
Endurance
9
100,000 Cycles
Data Retention
10
100 Years
POWER REQUIREMENTS
Power Supply Voltages
AV
DD
3 V Nominal 2.7 3.6 V
AV
DD
5 V Nominal 4.75 5.25 V
DV
DD
3 V Nominal 2.7 3.6 V
DV
DD
5 V Nominal 4.75 5.25 V
5 V Power Consumption 4.75 V < DV
DD
< 5.25 V, AV
DD
= 5.25 V
Normal Mode
11, 12
DV
DD
Current 10 mA Core clock = 1.57 MHz
25 31 mA Core clock = 12.58 MHz
AV
DD
Current 180 µA
Power-Down Mode
11, 12
DV
DD
Current 40 53 µA T
MAX
= 85°C; OSC on; TIC on
50 µA T
MAX
= 125°C; OSC on; TIC on
20 33 µA T
MAX
= 85°C; OSC off
30 µA T
MAX
= 125°C; OSC off
AV
DD
Current 1 µA T
MAX
= 85°C; OSC on or off
3 µA T
MAX
= 125°C; OSC on or off
Typical Additional Peripheral
Currents (AI
DD
and DI
DD
)
5 V V
DD
, CD = 3
Primary ADC 1 mA
Auxiliary ADC (ADuC845 Only) 0.5 mA
Power Supply Monitor 30 µA
DAC 60 µA DACH/L = 000H
Dual Excitation Current Sources 200 µA
200 µA each. Can be combined to give 400 µA on
a single output.
ALE Off −20 µA PCON.4 = 1 (see Table 6)
WDT 10 µA
Footnotes at end of table.